Re: [PATCH drm-misc-next v7 3/5] drm/gem: rename GEM CMA helpers to GEM DMA helpers

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On Tue, Aug 02, 2022 at 02:04:03AM +0200, Danilo Krummrich wrote:
> Rename "GEM CMA" helpers to "GEM DMA" helpers - considering the
> hierarchy of APIs (mm/cma -> dma -> gem dma) calling them "GEM
> DMA" seems to be more applicable.
> 
> Besides that, commit e57924d4ae80 ("drm/doc: Task to rename CMA helpers")
> requests to rename the CMA helpers and implies that people seem to be
> confused about the naming.
> 
> In order to do this renaming the following script was used:
> 
> ```
> 	#!/bin/bash
> 
> 	DIRS="drivers/gpu include/drm Documentation/gpu"
> 
> 	REGEX_SYM_UPPER="[0-9A-Z_\-]"
> 	REGEX_SYM_LOWER="[0-9a-z_\-]"
> 
> 	REGEX_GREP_UPPER="(${REGEX_SYM_UPPER}*)(GEM)_CMA_(${REGEX_SYM_UPPER}*)"
> 	REGEX_GREP_LOWER="(${REGEX_SYM_LOWER}*)(gem)_cma_(${REGEX_SYM_LOWER}*)"
> 
> 	REGEX_SED_UPPER="s/${REGEX_GREP_UPPER}/\1\2_DMA_\3/g"
> 	REGEX_SED_LOWER="s/${REGEX_GREP_LOWER}/\1\2_dma_\3/g"
> 
> 	# Find all upper case 'CMA' symbols and replace them with 'DMA'.
> 	for ff in $(grep -REHl "${REGEX_GREP_UPPER}" $DIRS)
> 	do
> 	       sed -i -E "$REGEX_SED_UPPER" $ff
> 	done
> 
> 	# Find all lower case 'cma' symbols and replace them with 'dma'.
> 	for ff in $(grep -REHl "${REGEX_GREP_LOWER}" $DIRS)
> 	do
> 	       sed -i -E "$REGEX_SED_LOWER" $ff
> 	done
> 
> 	# Replace all occurrences of 'CMA' / 'cma' in comments and
> 	# documentation files with 'DMA' / 'dma'.
> 	for ff in $(grep -RiHl " cma " $DIRS)
> 	do
> 		sed -i -E "s/ cma / dma /g" $ff
> 		sed -i -E "s/ CMA / DMA /g" $ff
> 	done
> 
> 	# Rename all 'cma_obj's to 'dma_obj'.
> 	for ff in $(grep -RiHl "cma_obj" $DIRS)
> 	do
> 		sed -i -E "s/cma_obj/dma_obj/g" $ff
> 	done
> ```
> 
> Only a few more manual modifications were needed, e.g. reverting the
> following modifications in some DRM Kconfig files
> 
>     -       select CMA if HAVE_DMA_CONTIGUOUS
>     +       select DMA if HAVE_DMA_CONTIGUOUS
> 
> as well as manually picking the occurrences of 'CMA'/'cma' in comments and
> documentation which relate to "GEM CMA", but not "FB CMA".
> 
> Also drivers/gpu/drm/Makefile was fixed up manually after renaming
> drm_gem_cma_helper.c to drm_gem_dma_helper.c.
> 
> This patch is compile-time tested building a x86_64 kernel with
> `make allyesconfig && make drivers/gpu/drm`.
> 
> Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Danilo Krummrich <dakr@xxxxxxxxxx>
> ---
>  Documentation/gpu/drm-mm.rst                  |  16 +-
>  drivers/gpu/drm/Kconfig                       |   4 +-
>  drivers/gpu/drm/Makefile                      |   6 +-
>  drivers/gpu/drm/arm/Kconfig                   |   4 +-
>  drivers/gpu/drm/arm/display/Kconfig           |   2 +-
>  .../arm/display/komeda/komeda_framebuffer.c   |   6 +-
>  .../gpu/drm/arm/display/komeda/komeda_kms.c   |  10 +-
>  drivers/gpu/drm/arm/hdlcd_crtc.c              |   2 +-
>  drivers/gpu/drm/arm/hdlcd_drv.c               |   6 +-
>  drivers/gpu/drm/arm/malidp_drv.c              |   8 +-
>  drivers/gpu/drm/arm/malidp_mw.c               |   4 +-
>  drivers/gpu/drm/arm/malidp_planes.c           |  16 +-
>  drivers/gpu/drm/armada/armada_gem.c           |   6 +-
>  drivers/gpu/drm/aspeed/Kconfig                |   2 +-
>  drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c      |   4 +-
>  drivers/gpu/drm/aspeed/aspeed_gfx_drv.c       |   6 +-
>  drivers/gpu/drm/atmel-hlcdc/Kconfig           |   2 +-
>  drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c  |   6 +-
>  .../gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c   |   4 +-
>  drivers/gpu/drm/drm_fb_dma_helper.c           |  20 +-
>  drivers/gpu/drm/drm_file.c                    |   2 +-
>  ..._gem_cma_helper.c => drm_gem_dma_helper.c} | 297 +++++++++---------
>  drivers/gpu/drm/drm_mipi_dbi.c                |   2 +-
>  drivers/gpu/drm/fsl-dcu/Kconfig               |   2 +-
>  drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c     |   6 +-
>  drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c   |   4 +-
>  drivers/gpu/drm/hisilicon/kirin/Kconfig       |   2 +-
>  .../gpu/drm/hisilicon/kirin/kirin_drm_ade.c   |   8 +-
>  .../gpu/drm/hisilicon/kirin/kirin_drm_drv.c   |   2 +-
>  drivers/gpu/drm/imx/Kconfig                   |   2 +-
>  drivers/gpu/drm/imx/dcss/Kconfig              |   2 +-
>  drivers/gpu/drm/imx/dcss/dcss-kms.c           |   6 +-
>  drivers/gpu/drm/imx/dcss/dcss-plane.c         |  16 +-
>  drivers/gpu/drm/imx/imx-drm-core.c            |   8 +-
>  drivers/gpu/drm/imx/imx-drm.h                 |   2 +-
>  drivers/gpu/drm/imx/ipuv3-crtc.c              |   2 +-
>  drivers/gpu/drm/imx/ipuv3-plane.c             |  26 +-
>  drivers/gpu/drm/ingenic/Kconfig               |   2 +-
>  drivers/gpu/drm/ingenic/ingenic-drm-drv.c     |   8 +-
>  drivers/gpu/drm/ingenic/ingenic-ipu.c         |   2 +-
>  drivers/gpu/drm/kmb/Kconfig                   |   2 +-
>  drivers/gpu/drm/kmb/kmb_drv.c                 |   6 +-
>  drivers/gpu/drm/kmb/kmb_plane.c               |   2 +-
>  drivers/gpu/drm/logicvc/Kconfig               |   2 +-
>  drivers/gpu/drm/logicvc/logicvc_crtc.c        |   2 +-
>  drivers/gpu/drm/logicvc/logicvc_drm.c         |  10 +-
>  drivers/gpu/drm/logicvc/logicvc_interface.c   |   2 +-
>  drivers/gpu/drm/logicvc/logicvc_mode.c        |   2 +-
>  drivers/gpu/drm/mcde/Kconfig                  |   2 +-
>  drivers/gpu/drm/mcde/mcde_display.c           |   2 +-
>  drivers/gpu/drm/mcde/mcde_drv.c               |   6 +-
>  drivers/gpu/drm/mediatek/Kconfig              |   2 +-
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c        |   2 +-
>  drivers/gpu/drm/mediatek/mtk_drm_gem.c        |   4 +-
>  drivers/gpu/drm/meson/Kconfig                 |   2 +-
>  drivers/gpu/drm/meson/meson_drv.c             |  10 +-
>  drivers/gpu/drm/meson/meson_overlay.c         |   4 +-
>  drivers/gpu/drm/meson/meson_plane.c           |   4 +-
>  drivers/gpu/drm/msm/msm_drv.c                 |   2 +-
>  drivers/gpu/drm/mxsfb/Kconfig                 |   4 +-
>  drivers/gpu/drm/mxsfb/lcdif_drv.c             |   6 +-
>  drivers/gpu/drm/mxsfb/lcdif_kms.c             |   2 +-
>  drivers/gpu/drm/mxsfb/mxsfb_drv.c             |   6 +-
>  drivers/gpu/drm/mxsfb/mxsfb_kms.c             |   2 +-
>  drivers/gpu/drm/panel/Kconfig                 |   2 +-
>  drivers/gpu/drm/panel/panel-ilitek-ili9341.c  |   6 +-
>  drivers/gpu/drm/pl111/Kconfig                 |   2 +-
>  drivers/gpu/drm/pl111/pl111_display.c         |   2 +-
>  drivers/gpu/drm/pl111/pl111_drv.c             |   8 +-
>  drivers/gpu/drm/rcar-du/Kconfig               |   2 +-
>  drivers/gpu/drm/rcar-du/rcar_du_crtc.c        |   2 +-
>  drivers/gpu/drm/rcar-du/rcar_du_drv.c         |   4 +-
>  drivers/gpu/drm/rcar-du/rcar_du_kms.c         |  36 +--
>  drivers/gpu/drm/rcar-du/rcar_du_plane.c       |   4 +-
>  drivers/gpu/drm/rcar-du/rcar_du_vsp.c         |   4 +-
>  drivers/gpu/drm/rockchip/Kconfig              |   2 +-
>  drivers/gpu/drm/rockchip/rockchip_drm_drv.c   |   2 +-
>  drivers/gpu/drm/rockchip/rockchip_drm_gem.c   |   4 +-
>  drivers/gpu/drm/shmobile/Kconfig              |   2 +-
>  drivers/gpu/drm/shmobile/shmob_drm_crtc.c     |   4 +-
>  drivers/gpu/drm/shmobile/shmob_drm_drv.c      |   6 +-
>  drivers/gpu/drm/shmobile/shmob_drm_kms.c      |   2 +-
>  drivers/gpu/drm/shmobile/shmob_drm_kms.h      |   2 +-
>  drivers/gpu/drm/shmobile/shmob_drm_plane.c    |   4 +-
>  drivers/gpu/drm/sprd/Kconfig                  |   2 +-
>  drivers/gpu/drm/sprd/sprd_dpu.c               |   8 +-
>  drivers/gpu/drm/sprd/sprd_drm.c               |   6 +-
>  drivers/gpu/drm/sti/Kconfig                   |   2 +-
>  drivers/gpu/drm/sti/sti_cursor.c              |  10 +-
>  drivers/gpu/drm/sti/sti_drv.c                 |   6 +-
>  drivers/gpu/drm/sti/sti_gdp.c                 |  14 +-
>  drivers/gpu/drm/sti/sti_hqvdp.c               |  14 +-
>  drivers/gpu/drm/sti/sti_plane.c               |   2 +-
>  drivers/gpu/drm/stm/Kconfig                   |   2 +-
>  drivers/gpu/drm/stm/drv.c                     |  10 +-
>  drivers/gpu/drm/stm/ltdc.c                    |   2 +-
>  drivers/gpu/drm/sun4i/Kconfig                 |   2 +-
>  drivers/gpu/drm/sun4i/sun4i_backend.c         |   2 +-
>  drivers/gpu/drm/sun4i/sun4i_drv.c             |   8 +-
>  drivers/gpu/drm/sun4i/sun4i_frontend.c        |   2 +-
>  drivers/gpu/drm/sun4i/sun8i_mixer.c           |   2 +-
>  drivers/gpu/drm/sun4i/sun8i_ui_layer.c        |   4 +-
>  drivers/gpu/drm/sun4i/sun8i_vi_layer.c        |   4 +-
>  drivers/gpu/drm/tidss/Kconfig                 |   2 +-
>  drivers/gpu/drm/tidss/tidss_crtc.c            |   2 +-
>  drivers/gpu/drm/tidss/tidss_dispc.c           |   6 +-
>  drivers/gpu/drm/tidss/tidss_drv.c             |   6 +-
>  drivers/gpu/drm/tilcdc/Kconfig                |   2 +-
>  drivers/gpu/drm/tilcdc/tilcdc_crtc.c          |   4 +-
>  drivers/gpu/drm/tilcdc/tilcdc_drv.c           |   6 +-
>  drivers/gpu/drm/tiny/Kconfig                  |  22 +-
>  drivers/gpu/drm/tiny/arcpgu.c                 |   8 +-
>  drivers/gpu/drm/tiny/hx8357d.c                |   6 +-
>  drivers/gpu/drm/tiny/ili9163.c                |   6 +-
>  drivers/gpu/drm/tiny/ili9225.c                |  10 +-
>  drivers/gpu/drm/tiny/ili9341.c                |   6 +-
>  drivers/gpu/drm/tiny/ili9486.c                |   6 +-
>  drivers/gpu/drm/tiny/mi0283qt.c               |   6 +-
>  drivers/gpu/drm/tiny/panel-mipi-dbi.c         |   6 +-
>  drivers/gpu/drm/tiny/repaper.c                |  10 +-
>  drivers/gpu/drm/tiny/st7586.c                 |  10 +-
>  drivers/gpu/drm/tiny/st7735r.c                |   6 +-
>  drivers/gpu/drm/tve200/Kconfig                |   2 +-
>  drivers/gpu/drm/tve200/tve200_display.c       |   2 +-
>  drivers/gpu/drm/tve200/tve200_drv.c           |   6 +-
>  drivers/gpu/drm/v3d/v3d_gem.c                 |   4 +-
>  drivers/gpu/drm/vc4/Kconfig                   |   2 +-
>  drivers/gpu/drm/vc4/vc4_bo.c                  |  44 +--
>  drivers/gpu/drm/vc4/vc4_crtc.c                |  14 +-
>  drivers/gpu/drm/vc4/vc4_drv.c                 |   6 +-
>  drivers/gpu/drm/vc4/vc4_drv.h                 |  18 +-
>  drivers/gpu/drm/vc4/vc4_gem.c                 |   4 +-
>  drivers/gpu/drm/vc4/vc4_plane.c               |   4 +-
>  drivers/gpu/drm/vc4/vc4_render_cl.c           |  26 +-
>  drivers/gpu/drm/vc4/vc4_txp.c                 |   2 +-
>  drivers/gpu/drm/vc4/vc4_v3d.c                 |   4 +-
>  drivers/gpu/drm/vc4/vc4_validate.c            |  16 +-
>  drivers/gpu/drm/vc4/vc4_validate_shaders.c    |   2 +-
>  drivers/gpu/drm/xlnx/Kconfig                  |   2 +-
>  drivers/gpu/drm/xlnx/zynqmp_dpsub.c           |   8 +-
>  include/drm/drm_fb_dma_helper.h               |   2 +-
>  include/drm/drm_gem.h                         |   2 +-
>  ..._gem_cma_helper.h => drm_gem_dma_helper.h} | 156 ++++-----
>  143 files changed, 639 insertions(+), 642 deletions(-)
>  rename drivers/gpu/drm/{drm_gem_cma_helper.c => drm_gem_dma_helper.c} (62%)
>  rename include/drm/{drm_gem_cma_helper.h => drm_gem_dma_helper.h} (53%)
> 
> diff --git a/Documentation/gpu/drm-mm.rst b/Documentation/gpu/drm-mm.rst
> index f32ccce5722d..a79fd3549ff8 100644
> --- a/Documentation/gpu/drm-mm.rst
> +++ b/Documentation/gpu/drm-mm.rst
> @@ -300,12 +300,12 @@ Drivers that want to map the GEM object upfront instead of handling page
>  faults can implement their own mmap file operation handler.
>  
>  For platforms without MMU the GEM core provides a helper method
> -drm_gem_cma_get_unmapped_area(). The mmap() routines will call this to get a
> +drm_gem_dma_get_unmapped_area(). The mmap() routines will call this to get a
>  proposed address for the mapping.
>  
> -To use drm_gem_cma_get_unmapped_area(), drivers must fill the struct
> +To use drm_gem_dma_get_unmapped_area(), drivers must fill the struct
>  :c:type:`struct file_operations <file_operations>` get_unmapped_area field with
> -a pointer on drm_gem_cma_get_unmapped_area().
> +a pointer on drm_gem_dma_get_unmapped_area().
>  
>  More detailed information about get_unmapped_area can be found in
>  Documentation/admin-guide/mm/nommu-mmap.rst
> @@ -355,16 +355,16 @@ GEM Function Reference
>  .. kernel-doc:: drivers/gpu/drm/drm_gem.c
>     :export:
>  
> -GEM CMA Helper Functions Reference
> +GEM DMA Helper Functions Reference
>  ----------------------------------
>  
> -.. kernel-doc:: drivers/gpu/drm/drm_gem_cma_helper.c
> -   :doc: cma helpers
> +.. kernel-doc:: drivers/gpu/drm/drm_gem_dma_helper.c
> +   :doc: dma helpers
>  
> -.. kernel-doc:: include/drm/drm_gem_cma_helper.h
> +.. kernel-doc:: include/drm/drm_gem_dma_helper.h
>     :internal:
>  
> -.. kernel-doc:: drivers/gpu/drm/drm_gem_cma_helper.c
> +.. kernel-doc:: drivers/gpu/drm/drm_gem_dma_helper.c
>     :export:
>  
>  GEM SHMEM Helper Function Reference
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index 1c91e1e861a5..0b2ad7212ee6 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -200,11 +200,11 @@ config DRM_TTM_HELPER
>  	help
>  	  Helpers for ttm-based gem objects
>  
> -config DRM_GEM_CMA_HELPER
> +config DRM_GEM_DMA_HELPER
>  	tristate
>  	depends on DRM
>  	help
> -	  Choose this if you need the GEM CMA helper functions
> +	  Choose this if you need the GEM DMA helper functions
>  
>  config DRM_GEM_SHMEM_HELPER
>  	tristate
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index 1d6e4f672b59..25d0ba310509 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -40,9 +40,9 @@ obj-$(CONFIG_DRM_PANEL_ORIENTATION_QUIRKS) += drm_panel_orientation_quirks.o
>  
>  obj-$(CONFIG_DRM_BUDDY) += drm_buddy.o
>  
> -drm_cma_helper-y := drm_gem_cma_helper.o
> -drm_cma_helper-$(CONFIG_DRM_KMS_HELPER) += drm_fb_dma_helper.o
> -obj-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_cma_helper.o
> +drm_dma_helper-y := drm_gem_dma_helper.o
> +drm_dma_helper-$(CONFIG_DRM_KMS_HELPER) += drm_fb_dma_helper.o
> +obj-$(CONFIG_DRM_GEM_DMA_HELPER) += drm_dma_helper.o
>  
>  drm_shmem_helper-y := drm_gem_shmem_helper.o
>  obj-$(CONFIG_DRM_GEM_SHMEM_HELPER) += drm_shmem_helper.o
> diff --git a/drivers/gpu/drm/arm/Kconfig b/drivers/gpu/drm/arm/Kconfig
> index 6e3f1d600541..c1b89274d2a4 100644
> --- a/drivers/gpu/drm/arm/Kconfig
> +++ b/drivers/gpu/drm/arm/Kconfig
> @@ -6,7 +6,7 @@ config DRM_HDLCD
>  	depends on DRM && OF && (ARM || ARM64 || COMPILE_TEST)
>  	depends on COMMON_CLK
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	help
>  	  Choose this option if you have an ARM High Definition Colour LCD
>  	  controller.
> @@ -27,7 +27,7 @@ config DRM_MALI_DISPLAY
>  	depends on DRM && OF && (ARM || ARM64 || COMPILE_TEST)
>  	depends on COMMON_CLK
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select VIDEOMODE_HELPERS
>  	help
>  	  Choose this option if you want to compile the ARM Mali Display
> diff --git a/drivers/gpu/drm/arm/display/Kconfig b/drivers/gpu/drm/arm/display/Kconfig
> index e91598b60781..4acc4285a4eb 100644
> --- a/drivers/gpu/drm/arm/display/Kconfig
> +++ b/drivers/gpu/drm/arm/display/Kconfig
> @@ -4,7 +4,7 @@ config DRM_KOMEDA
>  	depends on DRM && OF
>  	depends on COMMON_CLK
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select VIDEOMODE_HELPERS
>  	help
>  	  Choose this option if you want to compile the ARM Komeda display
> diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
> index ea45da663dfb..f1b27db5dad5 100644
> --- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
> +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
> @@ -7,7 +7,7 @@
>  #include <drm/drm_device.h>
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_gem.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  
>  #include "komeda_framebuffer.h"
> @@ -137,7 +137,7 @@ komeda_fb_none_afbc_size_check(struct komeda_dev *mdev, struct komeda_fb *kfb,
>  		}
>  
>  		min_size = komeda_fb_get_pixel_addr(kfb, 0, fb->height, i)
> -			 - to_drm_gem_cma_obj(obj)->paddr;
> +			 - to_drm_gem_dma_obj(obj)->paddr;
>  		if (obj->size < min_size) {
>  			DRM_DEBUG_KMS("The fb->obj[%d] size: 0x%zx lower than the minimum requirement: 0x%llx.\n",
>  				      i, obj->size, min_size);
> @@ -239,7 +239,7 @@ dma_addr_t
>  komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane)
>  {
>  	struct drm_framebuffer *fb = &kfb->base;
> -	const struct drm_gem_cma_object *obj;
> +	const struct drm_gem_dma_object *obj;
>  	u32 offset, plane_x, plane_y, block_w, block_sz;
>  
>  	if (plane >= fb->format->num_planes) {
> diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
> index 327051bba5b6..451746ebbe71 100644
> --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
> +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
> @@ -11,7 +11,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_probe_helper.h>
> @@ -21,9 +21,9 @@
>  #include "komeda_framebuffer.h"
>  #include "komeda_kms.h"
>  
> -DEFINE_DRM_GEM_CMA_FOPS(komeda_cma_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(komeda_cma_fops);
>  
> -static int komeda_gem_cma_dumb_create(struct drm_file *file,
> +static int komeda_gem_dma_dumb_create(struct drm_file *file,
>  				      struct drm_device *dev,
>  				      struct drm_mode_create_dumb *args)
>  {
> @@ -32,7 +32,7 @@ static int komeda_gem_cma_dumb_create(struct drm_file *file,
>  
>  	args->pitch = ALIGN(pitch, mdev->chip.bus_width);
>  
> -	return drm_gem_cma_dumb_create_internal(file, dev, args);
> +	return drm_gem_dma_dumb_create_internal(file, dev, args);
>  }
>  
>  static irqreturn_t komeda_kms_irq_handler(int irq, void *data)
> @@ -60,7 +60,7 @@ static irqreturn_t komeda_kms_irq_handler(int irq, void *data)
>  static const struct drm_driver komeda_kms_driver = {
>  	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.lastclose			= drm_fb_helper_lastclose,
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(komeda_gem_cma_dumb_create),
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(komeda_gem_dma_dumb_create),
>  	.fops = &komeda_cma_fops,
>  	.name = "komeda",
>  	.desc = "Arm Komeda Display Processor driver",
> diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c
> index d3cf788c0fa9..7030339fa232 100644
> --- a/drivers/gpu/drm/arm/hdlcd_crtc.c
> +++ b/drivers/gpu/drm/arm/hdlcd_crtc.c
> @@ -21,7 +21,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_vblank.h>
> diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
> index b32168e3f9ae..a032003c340c 100644
> --- a/drivers/gpu/drm/arm/hdlcd_drv.c
> +++ b/drivers/gpu/drm/arm/hdlcd_drv.c
> @@ -27,7 +27,7 @@
>  #include <drm/drm_debugfs.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_modeset_helper.h>
>  #include <drm/drm_module.h>
> @@ -225,11 +225,11 @@ static void hdlcd_debugfs_init(struct drm_minor *minor)
>  }
>  #endif
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fops);
>  
>  static const struct drm_driver hdlcd_driver = {
>  	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  #ifdef CONFIG_DEBUG_FS
>  	.debugfs_init = hdlcd_debugfs_init,
>  #endif
> diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
> index fa6c1a4254dc..1d0b0c54ccc7 100644
> --- a/drivers/gpu/drm/arm/malidp_drv.c
> +++ b/drivers/gpu/drm/arm/malidp_drv.c
> @@ -21,7 +21,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_modeset_helper.h>
>  #include <drm/drm_module.h>
> @@ -456,7 +456,7 @@ static int malidp_irq_init(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fops);
>  
>  static int malidp_dumb_create(struct drm_file *file_priv,
>  			      struct drm_device *drm,
> @@ -468,7 +468,7 @@ static int malidp_dumb_create(struct drm_file *file_priv,
>  
>  	args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), alignment);
>  
> -	return drm_gem_cma_dumb_create_internal(file_priv, drm, args);
> +	return drm_gem_dma_dumb_create_internal(file_priv, drm, args);
>  }
>  
>  #ifdef CONFIG_DEBUG_FS
> @@ -565,7 +565,7 @@ static void malidp_debugfs_init(struct drm_minor *minor)
>  
>  static const struct drm_driver malidp_driver = {
>  	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(malidp_dumb_create),
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(malidp_dumb_create),
>  #ifdef CONFIG_DEBUG_FS
>  	.debugfs_init = malidp_debugfs_init,
>  #endif
> diff --git a/drivers/gpu/drm/arm/malidp_mw.c b/drivers/gpu/drm/arm/malidp_mw.c
> index 7a9c900626ec..cefae03f1bcc 100644
> --- a/drivers/gpu/drm/arm/malidp_mw.c
> +++ b/drivers/gpu/drm/arm/malidp_mw.c
> @@ -13,7 +13,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_writeback.h>
>  
> @@ -160,7 +160,7 @@ malidp_mw_encoder_atomic_check(struct drm_encoder *encoder,
>  
>  	n_planes = fb->format->num_planes;
>  	for (i = 0; i < n_planes; i++) {
> -		struct drm_gem_cma_object *obj = drm_fb_dma_get_gem_obj(fb, i);
> +		struct drm_gem_dma_object *obj = drm_fb_dma_get_gem_obj(fb, i);
>  		/* memory write buffers are never rotated */
>  		u8 alignment = malidp_hw_get_pitch_align(malidp->dev, 0);
>  
> diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
> index 72e0162735fa..b7948ca0060c 100644
> --- a/drivers/gpu/drm/arm/malidp_planes.c
> +++ b/drivers/gpu/drm/arm/malidp_planes.c
> @@ -16,7 +16,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_print.h>
>  
> @@ -333,15 +333,15 @@ static bool malidp_check_pages_threshold(struct malidp_plane_state *ms,
>  
>  	for (i = 0; i < ms->n_planes; i++) {
>  		struct drm_gem_object *obj;
> -		struct drm_gem_cma_object *cma_obj;
> +		struct drm_gem_dma_object *dma_obj;
>  		struct sg_table *sgt;
>  		struct scatterlist *sgl;
>  
>  		obj = drm_gem_fb_get_obj(ms->base.fb, i);
> -		cma_obj = to_drm_gem_cma_obj(obj);
> +		dma_obj = to_drm_gem_dma_obj(obj);
>  
> -		if (cma_obj->sgt)
> -			sgt = cma_obj->sgt;
> +		if (dma_obj->sgt)
> +			sgt = dma_obj->sgt;
>  		else
>  			sgt = obj->funcs->get_sg_table(obj);
>  
> @@ -352,14 +352,14 @@ static bool malidp_check_pages_threshold(struct malidp_plane_state *ms,
>  
>  		while (sgl) {
>  			if (sgl->length < pgsize) {
> -				if (!cma_obj->sgt)
> +				if (!dma_obj->sgt)
>  					kfree(sgt);
>  				return false;
>  			}
>  
>  			sgl = sg_next(sgl);
>  		}
> -		if (!cma_obj->sgt)
> +		if (!dma_obj->sgt)
>  			kfree(sgt);
>  	}
>  
> @@ -732,7 +732,7 @@ static void malidp_set_plane_base_addr(struct drm_framebuffer *fb,
>  		paddr = drm_fb_dma_get_gem_addr(fb, plane->state,
>  						plane_index);
>  	} else {
> -		struct drm_gem_cma_object *obj;
> +		struct drm_gem_dma_object *obj;
>  
>  		obj = drm_fb_dma_get_gem_obj(fb, plane_index);
>  

For the drivers/gpu/drm/arm drivers:

Reviewed-by: Liviu Dudau <liviu.dudau@xxxxxxx>

Best regards,
Liviu


> diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c
> index 147abf1a3968..5430265ad458 100644
> --- a/drivers/gpu/drm/armada/armada_gem.c
> +++ b/drivers/gpu/drm/armada/armada_gem.c
> @@ -107,11 +107,11 @@ armada_gem_linear_back(struct drm_device *dev, struct armada_gem_object *obj)
>  	}
>  
>  	/*
> -	 * We could grab something from CMA if it's enabled, but that
> +	 * We could grab something from DMA if it's enabled, but that
>  	 * involves building in a problem:
>  	 *
> -	 * CMA's interface uses dma_alloc_coherent(), which provides us
> -	 * with an CPU virtual address and a device address.
> +	 * GEM DMA helper interface uses dma_alloc_coherent(), which provides
> +	 * us with an CPU virtual address and a device address.
>  	 *
>  	 * The CPU virtual address may be either an address in the kernel
>  	 * direct mapped region (for example, as it would be on x86) or
> diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig
> index 024ccab14f88..8137c39b057b 100644
> --- a/drivers/gpu/drm/aspeed/Kconfig
> +++ b/drivers/gpu/drm/aspeed/Kconfig
> @@ -5,7 +5,7 @@ config DRM_ASPEED_GFX
>  	depends on (COMPILE_TEST || ARCH_ASPEED)
>  	depends on MMU
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DMA_CMA if HAVE_DMA_CONTIGUOUS
>  	select CMA if HAVE_DMA_CONTIGUOUS
>  	select MFD_SYSCON
> diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
> index cc4d0fa6262c..996b03bac87f 100644
> --- a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
> +++ b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
> @@ -11,7 +11,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_panel.h>
>  #include <drm/drm_simple_kms_helper.h>
>  #include <drm/drm_vblank.h>
> @@ -168,7 +168,7 @@ static void aspeed_gfx_pipe_update(struct drm_simple_display_pipe *pipe,
>  	struct drm_crtc *crtc = &pipe->crtc;
>  	struct drm_framebuffer *fb = pipe->plane.state->fb;
>  	struct drm_pending_vblank_event *event;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  
>  	spin_lock_irq(&crtc->dev->event_lock);
>  	event = crtc->state->event;
> diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
> index 54aa8af45829..a94f1a9e8f40 100644
> --- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
> +++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
> @@ -17,7 +17,7 @@
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_device.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_probe_helper.h>
> @@ -245,11 +245,11 @@ static void aspeed_gfx_unload(struct drm_device *drm)
>  	drm_kms_helper_poll_fini(drm);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fops);
>  
>  static const struct drm_driver aspeed_gfx_driver = {
>  	.driver_features        = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  	.fops = &fops,
>  	.name = "aspeed-gfx-drm",
>  	.desc = "ASPEED GFX DRM",
> diff --git a/drivers/gpu/drm/atmel-hlcdc/Kconfig b/drivers/gpu/drm/atmel-hlcdc/Kconfig
> index 8ae679f1a518..3bdbab3a6333 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/Kconfig
> +++ b/drivers/gpu/drm/atmel-hlcdc/Kconfig
> @@ -2,7 +2,7 @@
>  config DRM_ATMEL_HLCDC
>  	tristate "DRM Support for ATMEL HLCDC Display Controller"
>  	depends on DRM && OF && COMMON_CLK && MFD_ATMEL_HLCDC && ARM
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	select DRM_PANEL
>  	help
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> index 651e3c109360..f7e7f4e919c7 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> @@ -20,7 +20,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_probe_helper.h>
> @@ -730,11 +730,11 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev)
>  	clk_disable_unprepare(dc->hlcdc->periph_clk);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fops);
>  
>  static const struct drm_driver atmel_hlcdc_dc_driver = {
>  	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  	.fops = &fops,
>  	.name = "atmel-hlcdc",
>  	.desc = "Atmel HLCD Controller DRM",
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> index ddcbfe7ea0c8..48481aa2731a 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "atmel_hlcdc_dc.h"
>  
> @@ -448,7 +448,7 @@ static void atmel_hlcdc_plane_update_buffers(struct atmel_hlcdc_plane *plane,
>  	sr = atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHSR);
>  
>  	for (i = 0; i < state->nplanes; i++) {
> -		struct drm_gem_cma_object *gem = drm_fb_dma_get_gem_obj(fb, i);
> +		struct drm_gem_dma_object *gem = drm_fb_dma_get_gem_obj(fb, i);
>  
>  		state->dscrs[i]->addr = gem->paddr + state->offsets[i];
>  
> diff --git a/drivers/gpu/drm/drm_fb_dma_helper.c b/drivers/gpu/drm/drm_fb_dma_helper.c
> index 85fd21cd9dda..b601073c22de 100644
> --- a/drivers/gpu/drm/drm_fb_dma_helper.c
> +++ b/drivers/gpu/drm/drm_fb_dma_helper.c
> @@ -13,7 +13,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_plane.h>
>  #include <linux/dma-mapping.h>
> @@ -35,15 +35,15 @@
>   */
>  
>  /**
> - * drm_fb_dma_get_gem_obj() - Get CMA GEM object for framebuffer
> + * drm_fb_dma_get_gem_obj() - Get DMA GEM object for framebuffer
>   * @fb: The framebuffer
>   * @plane: Which plane
>   *
> - * Return the CMA GEM object for given framebuffer.
> + * Return the DMA GEM object for given framebuffer.
>   *
>   * This function will usually be called from the CRTC callback functions.
>   */
> -struct drm_gem_cma_object *drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb,
> +struct drm_gem_dma_object *drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb,
>  						  unsigned int plane)
>  {
>  	struct drm_gem_object *gem;
> @@ -52,7 +52,7 @@ struct drm_gem_cma_object *drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb,
>  	if (!gem)
>  		return NULL;
>  
> -	return to_drm_gem_cma_obj(gem);
> +	return to_drm_gem_dma_obj(gem);
>  }
>  EXPORT_SYMBOL_GPL(drm_fb_dma_get_gem_obj);
>  
> @@ -71,7 +71,7 @@ dma_addr_t drm_fb_dma_get_gem_addr(struct drm_framebuffer *fb,
>  				   struct drm_plane_state *state,
>  				   unsigned int plane)
>  {
> -	struct drm_gem_cma_object *obj;
> +	struct drm_gem_dma_object *obj;
>  	dma_addr_t paddr;
>  	u8 h_div = 1, v_div = 1;
>  	u32 block_w = drm_format_info_block_width(fb->format, plane);
> @@ -113,7 +113,7 @@ EXPORT_SYMBOL_GPL(drm_fb_dma_get_gem_addr);
>   * @state: New plane state
>   *
>   * This function can be used by drivers that use damage clips and have
> - * CMA GEM objects backed by non-coherent memory. Calling this function
> + * DMA GEM objects backed by non-coherent memory. Calling this function
>   * in a plane's .atomic_update ensures that all the data in the backing
>   * memory have been written to RAM.
>   */
> @@ -123,15 +123,15 @@ void drm_fb_dma_sync_non_coherent(struct drm_device *drm,
>  {
>  	const struct drm_format_info *finfo = state->fb->format;
>  	struct drm_atomic_helper_damage_iter iter;
> -	const struct drm_gem_cma_object *cma_obj;
> +	const struct drm_gem_dma_object *dma_obj;
>  	unsigned int offset, i;
>  	struct drm_rect clip;
>  	dma_addr_t daddr;
>  	size_t nb_bytes;
>  
>  	for (i = 0; i < finfo->num_planes; i++) {
> -		cma_obj = drm_fb_dma_get_gem_obj(state->fb, i);
> -		if (!cma_obj->map_noncoherent)
> +		dma_obj = drm_fb_dma_get_gem_obj(state->fb, i);
> +		if (!dma_obj->map_noncoherent)
>  			continue;
>  
>  		daddr = drm_fb_dma_get_gem_addr(state->fb, state, i);
> diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
> index ed25168619fc..fa55c9a562f3 100644
> --- a/drivers/gpu/drm/drm_file.c
> +++ b/drivers/gpu/drm/drm_file.c
> @@ -131,7 +131,7 @@ bool drm_dev_needs_global_mutex(struct drm_device *dev)
>   *     };
>   *
>   * For plain GEM based drivers there is the DEFINE_DRM_GEM_FOPS() macro, and for
> - * CMA based drivers there is the DEFINE_DRM_GEM_CMA_FOPS() macro to make this
> + * DMA based drivers there is the DEFINE_DRM_GEM_DMA_FOPS() macro to make this
>   * simpler.
>   *
>   * The driver's &file_operations must be stored in &drm_driver.fops.
> diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_dma_helper.c
> similarity index 62%
> rename from drivers/gpu/drm/drm_gem_cma_helper.c
> rename to drivers/gpu/drm/drm_gem_dma_helper.c
> index 42abee9a0f4f..f1780c01c928 100644
> --- a/drivers/gpu/drm/drm_gem_cma_helper.c
> +++ b/drivers/gpu/drm/drm_gem_dma_helper.c
> @@ -1,6 +1,6 @@
>  // SPDX-License-Identifier: GPL-2.0-or-later
>  /*
> - * drm gem CMA (contiguous memory allocator) helper functions
> + * drm gem DMA helper functions
>   *
>   * Copyright (C) 2012 Sascha Hauer, Pengutronix
>   *
> @@ -20,20 +20,17 @@
>  #include <drm/drm.h>
>  #include <drm/drm_device.h>
>  #include <drm/drm_drv.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_vma_manager.h>
>  
>  /**
> - * DOC: cma helpers
> + * DOC: dma helpers
>   *
> - * The DRM GEM/CMA helpers are a means to provide buffer objects that are
> + * The DRM GEM/DMA helpers are a means to provide buffer objects that are
>   * presented to the device as a contiguous chunk of memory. This is useful
>   * for devices that do not support scatter-gather DMA (either directly or
>   * by using an intimately attached IOMMU).
>   *
> - * Despite the name, the DRM GEM/CMA helpers are not hardwired to use the
> - * Contiguous Memory Allocator (CMA).
> - *
>   * For devices that access the memory bus through an (external) IOMMU then
>   * the buffer objects are allocated using a traditional page-based
>   * allocator and may be scattered through physical memory. However they
> @@ -44,36 +41,36 @@
>   * objects that are physically contiguous in memory.
>   *
>   * For GEM callback helpers in struct &drm_gem_object functions, see likewise
> - * named functions with an _object_ infix (e.g., drm_gem_cma_object_vmap() wraps
> - * drm_gem_cma_vmap()). These helpers perform the necessary type conversion.
> + * named functions with an _object_ infix (e.g., drm_gem_dma_object_vmap() wraps
> + * drm_gem_dma_vmap()). These helpers perform the necessary type conversion.
>   */
>  
> -static const struct drm_gem_object_funcs drm_gem_cma_default_funcs = {
> -	.free = drm_gem_cma_object_free,
> -	.print_info = drm_gem_cma_object_print_info,
> -	.get_sg_table = drm_gem_cma_object_get_sg_table,
> -	.vmap = drm_gem_cma_object_vmap,
> -	.mmap = drm_gem_cma_object_mmap,
> -	.vm_ops = &drm_gem_cma_vm_ops,
> +static const struct drm_gem_object_funcs drm_gem_dma_default_funcs = {
> +	.free = drm_gem_dma_object_free,
> +	.print_info = drm_gem_dma_object_print_info,
> +	.get_sg_table = drm_gem_dma_object_get_sg_table,
> +	.vmap = drm_gem_dma_object_vmap,
> +	.mmap = drm_gem_dma_object_mmap,
> +	.vm_ops = &drm_gem_dma_vm_ops,
>  };
>  
>  /**
> - * __drm_gem_cma_create - Create a GEM CMA object without allocating memory
> + * __drm_gem_dma_create - Create a GEM DMA object without allocating memory
>   * @drm: DRM device
>   * @size: size of the object to allocate
>   * @private: true if used for internal purposes
>   *
> - * This function creates and initializes a GEM CMA object of the given size,
> + * This function creates and initializes a GEM DMA object of the given size,
>   * but doesn't allocate any memory to back the object.
>   *
>   * Returns:
> - * A struct drm_gem_cma_object * on success or an ERR_PTR()-encoded negative
> + * A struct drm_gem_dma_object * on success or an ERR_PTR()-encoded negative
>   * error code on failure.
>   */
> -static struct drm_gem_cma_object *
> -__drm_gem_cma_create(struct drm_device *drm, size_t size, bool private)
> +static struct drm_gem_dma_object *
> +__drm_gem_dma_create(struct drm_device *drm, size_t size, bool private)
>  {
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct drm_gem_object *gem_obj;
>  	int ret = 0;
>  
> @@ -81,22 +78,22 @@ __drm_gem_cma_create(struct drm_device *drm, size_t size, bool private)
>  		gem_obj = drm->driver->gem_create_object(drm, size);
>  		if (IS_ERR(gem_obj))
>  			return ERR_CAST(gem_obj);
> -		cma_obj = to_drm_gem_cma_obj(gem_obj);
> +		dma_obj = to_drm_gem_dma_obj(gem_obj);
>  	} else {
> -		cma_obj = kzalloc(sizeof(*cma_obj), GFP_KERNEL);
> -		if (!cma_obj)
> +		dma_obj = kzalloc(sizeof(*dma_obj), GFP_KERNEL);
> +		if (!dma_obj)
>  			return ERR_PTR(-ENOMEM);
> -		gem_obj = &cma_obj->base;
> +		gem_obj = &dma_obj->base;
>  	}
>  
>  	if (!gem_obj->funcs)
> -		gem_obj->funcs = &drm_gem_cma_default_funcs;
> +		gem_obj->funcs = &drm_gem_dma_default_funcs;
>  
>  	if (private) {
>  		drm_gem_private_object_init(drm, gem_obj, size);
>  
>  		/* Always use writecombine for dma-buf mappings */
> -		cma_obj->map_noncoherent = false;
> +		dma_obj->map_noncoherent = false;
>  	} else {
>  		ret = drm_gem_object_init(drm, gem_obj, size);
>  	}
> @@ -109,19 +106,19 @@ __drm_gem_cma_create(struct drm_device *drm, size_t size, bool private)
>  		goto error;
>  	}
>  
> -	return cma_obj;
> +	return dma_obj;
>  
>  error:
> -	kfree(cma_obj);
> +	kfree(dma_obj);
>  	return ERR_PTR(ret);
>  }
>  
>  /**
> - * drm_gem_cma_create - allocate an object with the given size
> + * drm_gem_dma_create - allocate an object with the given size
>   * @drm: DRM device
>   * @size: size of the object to allocate
>   *
> - * This function creates a CMA GEM object and allocates memory as backing store.
> + * This function creates a DMA GEM object and allocates memory as backing store.
>   * The allocated memory will occupy a contiguous chunk of bus address space.
>   *
>   * For devices that are directly connected to the memory bus then the allocated
> @@ -131,78 +128,78 @@ __drm_gem_cma_create(struct drm_device *drm, size_t size, bool private)
>   * requirements.
>   *
>   * Returns:
> - * A struct drm_gem_cma_object * on success or an ERR_PTR()-encoded negative
> + * A struct drm_gem_dma_object * on success or an ERR_PTR()-encoded negative
>   * error code on failure.
>   */
> -struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
> +struct drm_gem_dma_object *drm_gem_dma_create(struct drm_device *drm,
>  					      size_t size)
>  {
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	int ret;
>  
>  	size = round_up(size, PAGE_SIZE);
>  
> -	cma_obj = __drm_gem_cma_create(drm, size, false);
> -	if (IS_ERR(cma_obj))
> -		return cma_obj;
> +	dma_obj = __drm_gem_dma_create(drm, size, false);
> +	if (IS_ERR(dma_obj))
> +		return dma_obj;
>  
> -	if (cma_obj->map_noncoherent) {
> -		cma_obj->vaddr = dma_alloc_noncoherent(drm->dev, size,
> -						       &cma_obj->paddr,
> +	if (dma_obj->map_noncoherent) {
> +		dma_obj->vaddr = dma_alloc_noncoherent(drm->dev, size,
> +						       &dma_obj->paddr,
>  						       DMA_TO_DEVICE,
>  						       GFP_KERNEL | __GFP_NOWARN);
>  	} else {
> -		cma_obj->vaddr = dma_alloc_wc(drm->dev, size, &cma_obj->paddr,
> +		dma_obj->vaddr = dma_alloc_wc(drm->dev, size, &dma_obj->paddr,
>  					      GFP_KERNEL | __GFP_NOWARN);
>  	}
> -	if (!cma_obj->vaddr) {
> +	if (!dma_obj->vaddr) {
>  		drm_dbg(drm, "failed to allocate buffer with size %zu\n",
>  			 size);
>  		ret = -ENOMEM;
>  		goto error;
>  	}
>  
> -	return cma_obj;
> +	return dma_obj;
>  
>  error:
> -	drm_gem_object_put(&cma_obj->base);
> +	drm_gem_object_put(&dma_obj->base);
>  	return ERR_PTR(ret);
>  }
> -EXPORT_SYMBOL_GPL(drm_gem_cma_create);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_create);
>  
>  /**
> - * drm_gem_cma_create_with_handle - allocate an object with the given size and
> + * drm_gem_dma_create_with_handle - allocate an object with the given size and
>   *     return a GEM handle to it
>   * @file_priv: DRM file-private structure to register the handle for
>   * @drm: DRM device
>   * @size: size of the object to allocate
>   * @handle: return location for the GEM handle
>   *
> - * This function creates a CMA GEM object, allocating a chunk of memory as
> + * This function creates a DMA GEM object, allocating a chunk of memory as
>   * backing store. The GEM object is then added to the list of object associated
>   * with the given file and a handle to it is returned.
>   *
>   * The allocated memory will occupy a contiguous chunk of bus address space.
> - * See drm_gem_cma_create() for more details.
> + * See drm_gem_dma_create() for more details.
>   *
>   * Returns:
> - * A struct drm_gem_cma_object * on success or an ERR_PTR()-encoded negative
> + * A struct drm_gem_dma_object * on success or an ERR_PTR()-encoded negative
>   * error code on failure.
>   */
> -static struct drm_gem_cma_object *
> -drm_gem_cma_create_with_handle(struct drm_file *file_priv,
> +static struct drm_gem_dma_object *
> +drm_gem_dma_create_with_handle(struct drm_file *file_priv,
>  			       struct drm_device *drm, size_t size,
>  			       uint32_t *handle)
>  {
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct drm_gem_object *gem_obj;
>  	int ret;
>  
> -	cma_obj = drm_gem_cma_create(drm, size);
> -	if (IS_ERR(cma_obj))
> -		return cma_obj;
> +	dma_obj = drm_gem_dma_create(drm, size);
> +	if (IS_ERR(dma_obj))
> +		return dma_obj;
>  
> -	gem_obj = &cma_obj->base;
> +	gem_obj = &dma_obj->base;
>  
>  	/*
>  	 * allocate a id of idr table where the obj is registered
> @@ -214,44 +211,44 @@ drm_gem_cma_create_with_handle(struct drm_file *file_priv,
>  	if (ret)
>  		return ERR_PTR(ret);
>  
> -	return cma_obj;
> +	return dma_obj;
>  }
>  
>  /**
> - * drm_gem_cma_free - free resources associated with a CMA GEM object
> - * @cma_obj: CMA GEM object to free
> + * drm_gem_dma_free - free resources associated with a DMA GEM object
> + * @dma_obj: DMA GEM object to free
>   *
> - * This function frees the backing memory of the CMA GEM object, cleans up the
> + * This function frees the backing memory of the DMA GEM object, cleans up the
>   * GEM object state and frees the memory used to store the object itself.
>   * If the buffer is imported and the virtual address is set, it is released.
>   */
> -void drm_gem_cma_free(struct drm_gem_cma_object *cma_obj)
> +void drm_gem_dma_free(struct drm_gem_dma_object *dma_obj)
>  {
> -	struct drm_gem_object *gem_obj = &cma_obj->base;
> -	struct iosys_map map = IOSYS_MAP_INIT_VADDR(cma_obj->vaddr);
> +	struct drm_gem_object *gem_obj = &dma_obj->base;
> +	struct iosys_map map = IOSYS_MAP_INIT_VADDR(dma_obj->vaddr);
>  
>  	if (gem_obj->import_attach) {
> -		if (cma_obj->vaddr)
> +		if (dma_obj->vaddr)
>  			dma_buf_vunmap(gem_obj->import_attach->dmabuf, &map);
> -		drm_prime_gem_destroy(gem_obj, cma_obj->sgt);
> -	} else if (cma_obj->vaddr) {
> -		if (cma_obj->map_noncoherent)
> -			dma_free_noncoherent(gem_obj->dev->dev, cma_obj->base.size,
> -					     cma_obj->vaddr, cma_obj->paddr,
> +		drm_prime_gem_destroy(gem_obj, dma_obj->sgt);
> +	} else if (dma_obj->vaddr) {
> +		if (dma_obj->map_noncoherent)
> +			dma_free_noncoherent(gem_obj->dev->dev, dma_obj->base.size,
> +					     dma_obj->vaddr, dma_obj->paddr,
>  					     DMA_TO_DEVICE);
>  		else
> -			dma_free_wc(gem_obj->dev->dev, cma_obj->base.size,
> -				    cma_obj->vaddr, cma_obj->paddr);
> +			dma_free_wc(gem_obj->dev->dev, dma_obj->base.size,
> +				    dma_obj->vaddr, dma_obj->paddr);
>  	}
>  
>  	drm_gem_object_release(gem_obj);
>  
> -	kfree(cma_obj);
> +	kfree(dma_obj);
>  }
> -EXPORT_SYMBOL_GPL(drm_gem_cma_free);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_free);
>  
>  /**
> - * drm_gem_cma_dumb_create_internal - create a dumb buffer object
> + * drm_gem_dma_dumb_create_internal - create a dumb buffer object
>   * @file_priv: DRM file-private structure to create the dumb buffer for
>   * @drm: DRM device
>   * @args: IOCTL data
> @@ -264,12 +261,12 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_free);
>   * Returns:
>   * 0 on success or a negative error code on failure.
>   */
> -int drm_gem_cma_dumb_create_internal(struct drm_file *file_priv,
> +int drm_gem_dma_dumb_create_internal(struct drm_file *file_priv,
>  				     struct drm_device *drm,
>  				     struct drm_mode_create_dumb *args)
>  {
>  	unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  
>  	if (args->pitch < min_pitch)
>  		args->pitch = min_pitch;
> @@ -277,14 +274,14 @@ int drm_gem_cma_dumb_create_internal(struct drm_file *file_priv,
>  	if (args->size < args->pitch * args->height)
>  		args->size = args->pitch * args->height;
>  
> -	cma_obj = drm_gem_cma_create_with_handle(file_priv, drm, args->size,
> +	dma_obj = drm_gem_dma_create_with_handle(file_priv, drm, args->size,
>  						 &args->handle);
> -	return PTR_ERR_OR_ZERO(cma_obj);
> +	return PTR_ERR_OR_ZERO(dma_obj);
>  }
> -EXPORT_SYMBOL_GPL(drm_gem_cma_dumb_create_internal);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_dumb_create_internal);
>  
>  /**
> - * drm_gem_cma_dumb_create - create a dumb buffer object
> + * drm_gem_dma_dumb_create - create a dumb buffer object
>   * @file_priv: DRM file-private structure to create the dumb buffer for
>   * @drm: DRM device
>   * @args: IOCTL data
> @@ -296,35 +293,35 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_dumb_create_internal);
>   *
>   * For hardware with additional restrictions, drivers can adjust the fields
>   * set up by userspace and pass the IOCTL data along to the
> - * drm_gem_cma_dumb_create_internal() function.
> + * drm_gem_dma_dumb_create_internal() function.
>   *
>   * Returns:
>   * 0 on success or a negative error code on failure.
>   */
> -int drm_gem_cma_dumb_create(struct drm_file *file_priv,
> +int drm_gem_dma_dumb_create(struct drm_file *file_priv,
>  			    struct drm_device *drm,
>  			    struct drm_mode_create_dumb *args)
>  {
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  
>  	args->pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
>  	args->size = args->pitch * args->height;
>  
> -	cma_obj = drm_gem_cma_create_with_handle(file_priv, drm, args->size,
> +	dma_obj = drm_gem_dma_create_with_handle(file_priv, drm, args->size,
>  						 &args->handle);
> -	return PTR_ERR_OR_ZERO(cma_obj);
> +	return PTR_ERR_OR_ZERO(dma_obj);
>  }
> -EXPORT_SYMBOL_GPL(drm_gem_cma_dumb_create);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_dumb_create);
>  
> -const struct vm_operations_struct drm_gem_cma_vm_ops = {
> +const struct vm_operations_struct drm_gem_dma_vm_ops = {
>  	.open = drm_gem_vm_open,
>  	.close = drm_gem_vm_close,
>  };
> -EXPORT_SYMBOL_GPL(drm_gem_cma_vm_ops);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_vm_ops);
>  
>  #ifndef CONFIG_MMU
>  /**
> - * drm_gem_cma_get_unmapped_area - propose address for mapping in noMMU cases
> + * drm_gem_dma_get_unmapped_area - propose address for mapping in noMMU cases
>   * @filp: file object
>   * @addr: memory address
>   * @len: buffer size
> @@ -339,13 +336,13 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_vm_ops);
>   * Returns:
>   * mapping address on success or a negative error code on failure.
>   */
> -unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
> +unsigned long drm_gem_dma_get_unmapped_area(struct file *filp,
>  					    unsigned long addr,
>  					    unsigned long len,
>  					    unsigned long pgoff,
>  					    unsigned long flags)
>  {
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct drm_gem_object *obj = NULL;
>  	struct drm_file *priv = filp->private_data;
>  	struct drm_device *dev = priv->minor->dev;
> @@ -384,35 +381,35 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
>  		return -EACCES;
>  	}
>  
> -	cma_obj = to_drm_gem_cma_obj(obj);
> +	dma_obj = to_drm_gem_dma_obj(obj);
>  
>  	drm_gem_object_put(obj);
>  
> -	return cma_obj->vaddr ? (unsigned long)cma_obj->vaddr : -EINVAL;
> +	return dma_obj->vaddr ? (unsigned long)dma_obj->vaddr : -EINVAL;
>  }
> -EXPORT_SYMBOL_GPL(drm_gem_cma_get_unmapped_area);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_get_unmapped_area);
>  #endif
>  
>  /**
> - * drm_gem_cma_print_info() - Print &drm_gem_cma_object info for debugfs
> - * @cma_obj: CMA GEM object
> + * drm_gem_dma_print_info() - Print &drm_gem_dma_object info for debugfs
> + * @dma_obj: DMA GEM object
>   * @p: DRM printer
>   * @indent: Tab indentation level
>   *
>   * This function prints paddr and vaddr for use in e.g. debugfs output.
>   */
> -void drm_gem_cma_print_info(const struct drm_gem_cma_object *cma_obj,
> +void drm_gem_dma_print_info(const struct drm_gem_dma_object *dma_obj,
>  			    struct drm_printer *p, unsigned int indent)
>  {
> -	drm_printf_indent(p, indent, "paddr=%pad\n", &cma_obj->paddr);
> -	drm_printf_indent(p, indent, "vaddr=%p\n", cma_obj->vaddr);
> +	drm_printf_indent(p, indent, "paddr=%pad\n", &dma_obj->paddr);
> +	drm_printf_indent(p, indent, "vaddr=%p\n", dma_obj->vaddr);
>  }
> -EXPORT_SYMBOL(drm_gem_cma_print_info);
> +EXPORT_SYMBOL(drm_gem_dma_print_info);
>  
>  /**
> - * drm_gem_cma_get_sg_table - provide a scatter/gather table of pinned
> - *     pages for a CMA GEM object
> - * @cma_obj: CMA GEM object
> + * drm_gem_dma_get_sg_table - provide a scatter/gather table of pinned
> + *     pages for a DMA GEM object
> + * @dma_obj: DMA GEM object
>   *
>   * This function exports a scatter/gather table by calling the standard
>   * DMA mapping API.
> @@ -420,9 +417,9 @@ EXPORT_SYMBOL(drm_gem_cma_print_info);
>   * Returns:
>   * A pointer to the scatter/gather table of pinned pages or NULL on failure.
>   */
> -struct sg_table *drm_gem_cma_get_sg_table(struct drm_gem_cma_object *cma_obj)
> +struct sg_table *drm_gem_dma_get_sg_table(struct drm_gem_dma_object *dma_obj)
>  {
> -	struct drm_gem_object *obj = &cma_obj->base;
> +	struct drm_gem_object *obj = &dma_obj->base;
>  	struct sg_table *sgt;
>  	int ret;
>  
> @@ -430,8 +427,8 @@ struct sg_table *drm_gem_cma_get_sg_table(struct drm_gem_cma_object *cma_obj)
>  	if (!sgt)
>  		return ERR_PTR(-ENOMEM);
>  
> -	ret = dma_get_sgtable(obj->dev->dev, sgt, cma_obj->vaddr,
> -			      cma_obj->paddr, obj->size);
> +	ret = dma_get_sgtable(obj->dev->dev, sgt, dma_obj->vaddr,
> +			      dma_obj->paddr, obj->size);
>  	if (ret < 0)
>  		goto out;
>  
> @@ -441,10 +438,10 @@ struct sg_table *drm_gem_cma_get_sg_table(struct drm_gem_cma_object *cma_obj)
>  	kfree(sgt);
>  	return ERR_PTR(ret);
>  }
> -EXPORT_SYMBOL_GPL(drm_gem_cma_get_sg_table);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_get_sg_table);
>  
>  /**
> - * drm_gem_cma_prime_import_sg_table - produce a CMA GEM object from another
> + * drm_gem_dma_prime_import_sg_table - produce a DMA GEM object from another
>   *     driver's scatter/gather table of pinned pages
>   * @dev: device to import into
>   * @attach: DMA-BUF attachment
> @@ -453,7 +450,7 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_get_sg_table);
>   * This function imports a scatter/gather table exported via DMA-BUF by
>   * another driver. Imported buffers must be physically contiguous in memory
>   * (i.e. the scatter/gather table must contain a single entry). Drivers that
> - * use the CMA helpers should set this as their
> + * use the DMA helpers should set this as their
>   * &drm_driver.gem_prime_import_sg_table callback.
>   *
>   * Returns:
> @@ -461,56 +458,56 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_get_sg_table);
>   * error code on failure.
>   */
>  struct drm_gem_object *
> -drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
> +drm_gem_dma_prime_import_sg_table(struct drm_device *dev,
>  				  struct dma_buf_attachment *attach,
>  				  struct sg_table *sgt)
>  {
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  
>  	/* check if the entries in the sg_table are contiguous */
>  	if (drm_prime_get_contiguous_size(sgt) < attach->dmabuf->size)
>  		return ERR_PTR(-EINVAL);
>  
> -	/* Create a CMA GEM buffer. */
> -	cma_obj = __drm_gem_cma_create(dev, attach->dmabuf->size, true);
> -	if (IS_ERR(cma_obj))
> -		return ERR_CAST(cma_obj);
> +	/* Create a DMA GEM buffer. */
> +	dma_obj = __drm_gem_dma_create(dev, attach->dmabuf->size, true);
> +	if (IS_ERR(dma_obj))
> +		return ERR_CAST(dma_obj);
>  
> -	cma_obj->paddr = sg_dma_address(sgt->sgl);
> -	cma_obj->sgt = sgt;
> +	dma_obj->paddr = sg_dma_address(sgt->sgl);
> +	dma_obj->sgt = sgt;
>  
> -	DRM_DEBUG_PRIME("dma_addr = %pad, size = %zu\n", &cma_obj->paddr, attach->dmabuf->size);
> +	DRM_DEBUG_PRIME("dma_addr = %pad, size = %zu\n", &dma_obj->paddr, attach->dmabuf->size);
>  
> -	return &cma_obj->base;
> +	return &dma_obj->base;
>  }
> -EXPORT_SYMBOL_GPL(drm_gem_cma_prime_import_sg_table);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_prime_import_sg_table);
>  
>  /**
> - * drm_gem_cma_vmap - map a CMA GEM object into the kernel's virtual
> + * drm_gem_dma_vmap - map a DMA GEM object into the kernel's virtual
>   *     address space
> - * @cma_obj: CMA GEM object
> - * @map: Returns the kernel virtual address of the CMA GEM object's backing
> + * @dma_obj: DMA GEM object
> + * @map: Returns the kernel virtual address of the DMA GEM object's backing
>   *       store.
>   *
>   * This function maps a buffer into the kernel's virtual address space.
> - * Since the CMA buffers are already mapped into the kernel virtual address
> + * Since the DMA buffers are already mapped into the kernel virtual address
>   * space this simply returns the cached virtual address.
>   *
>   * Returns:
>   * 0 on success, or a negative error code otherwise.
>   */
> -int drm_gem_cma_vmap(struct drm_gem_cma_object *cma_obj,
> +int drm_gem_dma_vmap(struct drm_gem_dma_object *dma_obj,
>  		     struct iosys_map *map)
>  {
> -	iosys_map_set_vaddr(map, cma_obj->vaddr);
> +	iosys_map_set_vaddr(map, dma_obj->vaddr);
>  
>  	return 0;
>  }
> -EXPORT_SYMBOL_GPL(drm_gem_cma_vmap);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_vmap);
>  
>  /**
> - * drm_gem_cma_mmap - memory-map an exported CMA GEM object
> - * @cma_obj: CMA GEM object
> + * drm_gem_dma_mmap - memory-map an exported DMA GEM object
> + * @dma_obj: DMA GEM object
>   * @vma: VMA for the area to be mapped
>   *
>   * This function maps a buffer into a userspace process's address space.
> @@ -520,9 +517,9 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_vmap);
>   * Returns:
>   * 0 on success or a negative error code on failure.
>   */
> -int drm_gem_cma_mmap(struct drm_gem_cma_object *cma_obj, struct vm_area_struct *vma)
> +int drm_gem_dma_mmap(struct drm_gem_dma_object *dma_obj, struct vm_area_struct *vma)
>  {
> -	struct drm_gem_object *obj = &cma_obj->base;
> +	struct drm_gem_object *obj = &dma_obj->base;
>  	int ret;
>  
>  	/*
> @@ -534,37 +531,37 @@ int drm_gem_cma_mmap(struct drm_gem_cma_object *cma_obj, struct vm_area_struct *
>  	vma->vm_flags &= ~VM_PFNMAP;
>  	vma->vm_flags |= VM_DONTEXPAND;
>  
> -	if (cma_obj->map_noncoherent) {
> +	if (dma_obj->map_noncoherent) {
>  		vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
>  
> -		ret = dma_mmap_pages(cma_obj->base.dev->dev,
> +		ret = dma_mmap_pages(dma_obj->base.dev->dev,
>  				     vma, vma->vm_end - vma->vm_start,
> -				     virt_to_page(cma_obj->vaddr));
> +				     virt_to_page(dma_obj->vaddr));
>  	} else {
> -		ret = dma_mmap_wc(cma_obj->base.dev->dev, vma, cma_obj->vaddr,
> -				  cma_obj->paddr, vma->vm_end - vma->vm_start);
> +		ret = dma_mmap_wc(dma_obj->base.dev->dev, vma, dma_obj->vaddr,
> +				  dma_obj->paddr, vma->vm_end - vma->vm_start);
>  	}
>  	if (ret)
>  		drm_gem_vm_close(vma);
>  
>  	return ret;
>  }
> -EXPORT_SYMBOL_GPL(drm_gem_cma_mmap);
> +EXPORT_SYMBOL_GPL(drm_gem_dma_mmap);
>  
>  /**
> - * drm_gem_cma_prime_import_sg_table_vmap - PRIME import another driver's
> + * drm_gem_dma_prime_import_sg_table_vmap - PRIME import another driver's
>   *	scatter/gather table and get the virtual address of the buffer
>   * @dev: DRM device
>   * @attach: DMA-BUF attachment
>   * @sgt: Scatter/gather table of pinned pages
>   *
>   * This function imports a scatter/gather table using
> - * drm_gem_cma_prime_import_sg_table() and uses dma_buf_vmap() to get the kernel
> - * virtual address. This ensures that a CMA GEM object always has its virtual
> + * drm_gem_dma_prime_import_sg_table() and uses dma_buf_vmap() to get the kernel
> + * virtual address. This ensures that a DMA GEM object always has its virtual
>   * address set. This address is released when the object is freed.
>   *
>   * This function can be used as the &drm_driver.gem_prime_import_sg_table
> - * callback. The &DRM_GEM_CMA_DRIVER_OPS_VMAP macro provides a shortcut to set
> + * callback. The &DRM_GEM_DMA_DRIVER_OPS_VMAP macro provides a shortcut to set
>   * the necessary DRM driver operations.
>   *
>   * Returns:
> @@ -572,11 +569,11 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_mmap);
>   * error code on failure.
>   */
>  struct drm_gem_object *
> -drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *dev,
> +drm_gem_dma_prime_import_sg_table_vmap(struct drm_device *dev,
>  				       struct dma_buf_attachment *attach,
>  				       struct sg_table *sgt)
>  {
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct drm_gem_object *obj;
>  	struct iosys_map map;
>  	int ret;
> @@ -587,19 +584,19 @@ drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *dev,
>  		return ERR_PTR(ret);
>  	}
>  
> -	obj = drm_gem_cma_prime_import_sg_table(dev, attach, sgt);
> +	obj = drm_gem_dma_prime_import_sg_table(dev, attach, sgt);
>  	if (IS_ERR(obj)) {
>  		dma_buf_vunmap(attach->dmabuf, &map);
>  		return obj;
>  	}
>  
> -	cma_obj = to_drm_gem_cma_obj(obj);
> -	cma_obj->vaddr = map.vaddr;
> +	dma_obj = to_drm_gem_dma_obj(obj);
> +	dma_obj->vaddr = map.vaddr;
>  
>  	return obj;
>  }
> -EXPORT_SYMBOL(drm_gem_cma_prime_import_sg_table_vmap);
> +EXPORT_SYMBOL(drm_gem_dma_prime_import_sg_table_vmap);
>  
> -MODULE_DESCRIPTION("DRM CMA memory-management helpers");
> +MODULE_DESCRIPTION("DRM DMA memory-management helpers");
>  MODULE_IMPORT_NS(DMA_BUF);
>  MODULE_LICENSE("GPL");
> diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
> index 2f61f53d472f..2ecaf3cb7afb 100644
> --- a/drivers/gpu/drm/drm_mipi_dbi.c
> +++ b/drivers/gpu/drm/drm_mipi_dbi.c
> @@ -1136,7 +1136,7 @@ int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *dbi,
>  	/*
>  	 * Even though it's not the SPI device that does DMA (the master does),
>  	 * the dma mask is necessary for the dma_alloc_wc() in the GEM code
> -	 * (e.g., drm_gem_cma_create()). The dma_addr returned will be a physical
> +	 * (e.g., drm_gem_dma_create()). The dma_addr returned will be a physical
>  	 * address which might be different from the bus address, but this is
>  	 * not a problem since the address will not be used.
>  	 * The virtual address is used in the transfer and the SPI core
> diff --git a/drivers/gpu/drm/fsl-dcu/Kconfig b/drivers/gpu/drm/fsl-dcu/Kconfig
> index e95e96c565ba..5ca71ef87325 100644
> --- a/drivers/gpu/drm/fsl-dcu/Kconfig
> +++ b/drivers/gpu/drm/fsl-dcu/Kconfig
> @@ -3,7 +3,7 @@ config DRM_FSL_DCU
>  	tristate "DRM Support for Freescale DCU"
>  	depends on DRM && OF && ARM && COMMON_CLK
>  	select BACKLIGHT_CLASS_DEVICE
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	select DRM_PANEL
>  	select REGMAP_MMIO
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> index 4baa4977e473..b4acc3422ba4 100644
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> @@ -21,7 +21,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_modeset_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_probe_helper.h>
> @@ -149,13 +149,13 @@ static void fsl_dcu_unload(struct drm_device *dev)
>  	dev->dev_private = NULL;
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fsl_dcu_drm_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fsl_dcu_drm_fops);
>  
>  static const struct drm_driver fsl_dcu_drm_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.load			= fsl_dcu_load,
>  	.unload			= fsl_dcu_unload,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  	.fops			= &fsl_dcu_drm_fops,
>  	.name			= "fsl-dcu-drm",
>  	.desc			= "Freescale DCU DRM",
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
> index aba2b714e8a6..48c98331a3c0 100644
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
> @@ -13,7 +13,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_plane_helper.h>
>  #include <drm/drm_probe_helper.h>
>  
> @@ -84,7 +84,7 @@ static void fsl_dcu_drm_plane_atomic_update(struct drm_plane *plane,
>  	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
>  									   plane);
>  	struct drm_framebuffer *fb = plane->state->fb;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	unsigned int alpha = DCU_LAYER_AB_NONE, bpp;
>  	int index;
>  
> diff --git a/drivers/gpu/drm/hisilicon/kirin/Kconfig b/drivers/gpu/drm/hisilicon/kirin/Kconfig
> index b770f7662830..c5265675bf0c 100644
> --- a/drivers/gpu/drm/hisilicon/kirin/Kconfig
> +++ b/drivers/gpu/drm/hisilicon/kirin/Kconfig
> @@ -3,7 +3,7 @@ config DRM_HISI_KIRIN
>  	tristate "DRM Support for Hisilicon Kirin series SoCs Platform"
>  	depends on DRM && OF && ARM64
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DSI
>  	help
>  	  Choose this option if you have a hisilicon Kirin chipsets(hi6220).
> diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> index c5d304826c3b..9666d71a83cc 100644
> --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> @@ -27,7 +27,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_vblank.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
> @@ -548,7 +548,7 @@ static const struct drm_crtc_funcs ade_crtc_funcs = {
>  static void ade_rdma_set(void __iomem *base, struct drm_framebuffer *fb,
>  			 u32 ch, u32 y, u32 in_h, u32 fmt)
>  {
> -	struct drm_gem_cma_object *obj = drm_fb_dma_get_gem_obj(fb, 0);
> +	struct drm_gem_dma_object *obj = drm_fb_dma_get_gem_obj(fb, 0);
>  	u32 reg_ctrl, reg_addr, reg_size, reg_stride, reg_space, reg_en;
>  	u32 stride = fb->pitches[0];
>  	u32 addr = (u32)obj->paddr + y * stride;
> @@ -919,12 +919,12 @@ static const struct drm_mode_config_funcs ade_mode_config_funcs = {
>  
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(ade_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(ade_fops);
>  
>  static const struct drm_driver ade_driver = {
>  	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops = &ade_fops,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  	.name = "kirin",
>  	.desc = "Hisilicon Kirin620 SoC DRM Driver",
>  	.date = "20150718",
> diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
> index e8b0fe970969..73ee7f25f734 100644
> --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
> @@ -20,7 +20,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_of.h>
> diff --git a/drivers/gpu/drm/imx/Kconfig b/drivers/gpu/drm/imx/Kconfig
> index bb9738c7c825..975de4ff7313 100644
> --- a/drivers/gpu/drm/imx/Kconfig
> +++ b/drivers/gpu/drm/imx/Kconfig
> @@ -3,7 +3,7 @@ config DRM_IMX
>  	tristate "DRM Support for Freescale i.MX"
>  	select DRM_KMS_HELPER
>  	select VIDEOMODE_HELPERS
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	depends on DRM && (ARCH_MXC || ARCH_MULTIPLATFORM || COMPILE_TEST)
>  	depends on IMX_IPUV3_CORE
> diff --git a/drivers/gpu/drm/imx/dcss/Kconfig b/drivers/gpu/drm/imx/dcss/Kconfig
> index 5c2b2277afbf..3ffc061d392b 100644
> --- a/drivers/gpu/drm/imx/dcss/Kconfig
> +++ b/drivers/gpu/drm/imx/dcss/Kconfig
> @@ -2,7 +2,7 @@ config DRM_IMX_DCSS
>  	tristate "i.MX8MQ DCSS"
>  	select IMX_IRQSTEER
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select VIDEOMODE_HELPERS
>  	depends on DRM && ARCH_MXC && ARM64
>  	help
> diff --git a/drivers/gpu/drm/imx/dcss/dcss-kms.c b/drivers/gpu/drm/imx/dcss/dcss-kms.c
> index 9b84df34a6a1..f50814e9d549 100644
> --- a/drivers/gpu/drm/imx/dcss/dcss-kms.c
> +++ b/drivers/gpu/drm/imx/dcss/dcss-kms.c
> @@ -8,7 +8,7 @@
>  #include <drm/drm_bridge_connector.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_probe_helper.h>
> @@ -17,7 +17,7 @@
>  #include "dcss-dev.h"
>  #include "dcss-kms.h"
>  
> -DEFINE_DRM_GEM_CMA_FOPS(dcss_cma_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(dcss_cma_fops);
>  
>  static const struct drm_mode_config_funcs dcss_drm_mode_config_funcs = {
>  	.fb_create = drm_gem_fb_create,
> @@ -28,7 +28,7 @@ static const struct drm_mode_config_funcs dcss_drm_mode_config_funcs = {
>  
>  static const struct drm_driver dcss_kms_driver = {
>  	.driver_features	= DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  	.fops			= &dcss_cma_fops,
>  	.name			= "imx-dcss",
>  	.desc			= "i.MX8MQ Display Subsystem",
> diff --git a/drivers/gpu/drm/imx/dcss/dcss-plane.c b/drivers/gpu/drm/imx/dcss/dcss-plane.c
> index a333c13c9ebc..4c41c93ac900 100644
> --- a/drivers/gpu/drm/imx/dcss/dcss-plane.c
> +++ b/drivers/gpu/drm/imx/dcss/dcss-plane.c
> @@ -9,7 +9,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "dcss-dev.h"
>  #include "dcss-kms.h"
> @@ -147,7 +147,7 @@ static int dcss_plane_atomic_check(struct drm_plane *plane,
>  	struct dcss_dev *dcss = plane->dev->dev_private;
>  	struct drm_framebuffer *fb = new_plane_state->fb;
>  	bool is_primary_plane = plane->type == DRM_PLANE_TYPE_PRIMARY;
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct drm_crtc_state *crtc_state;
>  	int hdisplay, vdisplay;
>  	int min, max;
> @@ -156,8 +156,8 @@ static int dcss_plane_atomic_check(struct drm_plane *plane,
>  	if (!fb || !new_plane_state->crtc)
>  		return 0;
>  
> -	cma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> -	WARN_ON(!cma_obj);
> +	dma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> +	WARN_ON(!dma_obj);
>  
>  	crtc_state = drm_atomic_get_existing_crtc_state(state,
>  							new_plane_state->crtc);
> @@ -218,26 +218,26 @@ static void dcss_plane_atomic_set_base(struct dcss_plane *dcss_plane)
>  	struct dcss_dev *dcss = plane->dev->dev_private;
>  	struct drm_framebuffer *fb = state->fb;
>  	const struct drm_format_info *format = fb->format;
> -	struct drm_gem_cma_object *cma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> +	struct drm_gem_dma_object *dma_obj = drm_fb_dma_get_gem_obj(fb, 0);
>  	unsigned long p1_ba = 0, p2_ba = 0;
>  
>  	if (!format->is_yuv ||
>  	    format->format == DRM_FORMAT_NV12 ||
>  	    format->format == DRM_FORMAT_NV21)
> -		p1_ba = cma_obj->paddr + fb->offsets[0] +
> +		p1_ba = dma_obj->paddr + fb->offsets[0] +
>  			fb->pitches[0] * (state->src.y1 >> 16) +
>  			format->char_per_block[0] * (state->src.x1 >> 16);
>  	else if (format->format == DRM_FORMAT_UYVY ||
>  		 format->format == DRM_FORMAT_VYUY ||
>  		 format->format == DRM_FORMAT_YUYV ||
>  		 format->format == DRM_FORMAT_YVYU)
> -		p1_ba = cma_obj->paddr + fb->offsets[0] +
> +		p1_ba = dma_obj->paddr + fb->offsets[0] +
>  			fb->pitches[0] * (state->src.y1 >> 16) +
>  			2 * format->char_per_block[0] * (state->src.x1 >> 17);
>  
>  	if (format->format == DRM_FORMAT_NV12 ||
>  	    format->format == DRM_FORMAT_NV21)
> -		p2_ba = cma_obj->paddr + fb->offsets[1] +
> +		p2_ba = dma_obj->paddr + fb->offsets[1] +
>  			(((fb->pitches[1] >> 1) * (state->src.y1 >> 17) +
>  			(state->src.x1 >> 17)) << 1);
>  
> diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
> index e43345bd1346..8dd8b0f912af 100644
> --- a/drivers/gpu/drm/imx/imx-drm-core.c
> +++ b/drivers/gpu/drm/imx/imx-drm-core.c
> @@ -17,7 +17,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_of.h>
> @@ -32,7 +32,7 @@
>  static int legacyfb_depth = 16;
>  module_param(legacyfb_depth, int, 0444);
>  
> -DEFINE_DRM_GEM_CMA_FOPS(imx_drm_driver_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(imx_drm_driver_fops);
>  
>  void imx_drm_connector_destroy(struct drm_connector *connector)
>  {
> @@ -152,7 +152,7 @@ static int imx_drm_dumb_create(struct drm_file *file_priv,
>  
>  	args->width = ALIGN(width, 8);
>  
> -	ret = drm_gem_cma_dumb_create(file_priv, drm, args);
> +	ret = drm_gem_dma_dumb_create(file_priv, drm, args);
>  	if (ret)
>  		return ret;
>  
> @@ -162,7 +162,7 @@ static int imx_drm_dumb_create(struct drm_file *file_priv,
>  
>  static const struct drm_driver imx_drm_driver = {
>  	.driver_features	= DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(imx_drm_dumb_create),
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(imx_drm_dumb_create),
>  	.ioctls			= imx_drm_ioctls,
>  	.num_ioctls		= ARRAY_SIZE(imx_drm_ioctls),
>  	.fops			= &imx_drm_driver_fops,
> diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h
> index c3e1a3f14d30..e721bebda2bd 100644
> --- a/drivers/gpu/drm/imx/imx-drm.h
> +++ b/drivers/gpu/drm/imx/imx-drm.h
> @@ -32,7 +32,7 @@ extern struct platform_driver ipu_drm_driver;
>  
>  void imx_drm_mode_config_init(struct drm_device *drm);
>  
> -struct drm_gem_cma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb);
> +struct drm_gem_dma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb);
>  
>  int imx_drm_encoder_parse_of(struct drm_device *drm,
>  	struct drm_encoder *encoder, struct device_node *np);
> diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
> index d9f832f952c2..5f26090b0c98 100644
> --- a/drivers/gpu/drm/imx/ipuv3-crtc.c
> +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
> @@ -18,7 +18,7 @@
>  
>  #include <drm/drm_atomic.h>
>  #include <drm/drm_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_vblank.h>
> diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
> index 27bd16418002..07c0b9def383 100644
> --- a/drivers/gpu/drm/imx/ipuv3-plane.c
> +++ b/drivers/gpu/drm/imx/ipuv3-plane.c
> @@ -12,7 +12,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  
>  #include <video/imx-ipu-v3.h>
> @@ -125,14 +125,14 @@ static inline unsigned long
>  drm_plane_state_to_eba(struct drm_plane_state *state, int plane)
>  {
>  	struct drm_framebuffer *fb = state->fb;
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	int x = state->src.x1 >> 16;
>  	int y = state->src.y1 >> 16;
>  
> -	cma_obj = drm_fb_dma_get_gem_obj(fb, plane);
> -	BUG_ON(!cma_obj);
> +	dma_obj = drm_fb_dma_get_gem_obj(fb, plane);
> +	BUG_ON(!dma_obj);
>  
> -	return cma_obj->paddr + fb->offsets[plane] + fb->pitches[plane] * y +
> +	return dma_obj->paddr + fb->offsets[plane] + fb->pitches[plane] * y +
>  	       fb->format->cpp[plane] * x;
>  }
>  
> @@ -140,18 +140,18 @@ static inline unsigned long
>  drm_plane_state_to_ubo(struct drm_plane_state *state)
>  {
>  	struct drm_framebuffer *fb = state->fb;
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	unsigned long eba = drm_plane_state_to_eba(state, 0);
>  	int x = state->src.x1 >> 16;
>  	int y = state->src.y1 >> 16;
>  
> -	cma_obj = drm_fb_dma_get_gem_obj(fb, 1);
> -	BUG_ON(!cma_obj);
> +	dma_obj = drm_fb_dma_get_gem_obj(fb, 1);
> +	BUG_ON(!dma_obj);
>  
>  	x /= fb->format->hsub;
>  	y /= fb->format->vsub;
>  
> -	return cma_obj->paddr + fb->offsets[1] + fb->pitches[1] * y +
> +	return dma_obj->paddr + fb->offsets[1] + fb->pitches[1] * y +
>  	       fb->format->cpp[1] * x - eba;
>  }
>  
> @@ -159,18 +159,18 @@ static inline unsigned long
>  drm_plane_state_to_vbo(struct drm_plane_state *state)
>  {
>  	struct drm_framebuffer *fb = state->fb;
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	unsigned long eba = drm_plane_state_to_eba(state, 0);
>  	int x = state->src.x1 >> 16;
>  	int y = state->src.y1 >> 16;
>  
> -	cma_obj = drm_fb_dma_get_gem_obj(fb, 2);
> -	BUG_ON(!cma_obj);
> +	dma_obj = drm_fb_dma_get_gem_obj(fb, 2);
> +	BUG_ON(!dma_obj);
>  
>  	x /= fb->format->hsub;
>  	y /= fb->format->vsub;
>  
> -	return cma_obj->paddr + fb->offsets[2] + fb->pitches[2] * y +
> +	return dma_obj->paddr + fb->offsets[2] + fb->pitches[2] * y +
>  	       fb->format->cpp[2] * x - eba;
>  }
>  
> diff --git a/drivers/gpu/drm/ingenic/Kconfig b/drivers/gpu/drm/ingenic/Kconfig
> index 090830bcbde7..a53f475d33df 100644
> --- a/drivers/gpu/drm/ingenic/Kconfig
> +++ b/drivers/gpu/drm/ingenic/Kconfig
> @@ -8,7 +8,7 @@ config DRM_INGENIC
>  	select DRM_BRIDGE
>  	select DRM_PANEL_BRIDGE
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select VT_HW_CONSOLE_BINDING if FRAMEBUFFER_CONSOLE
>  	help
>  	  Choose this option for DRM support for the Ingenic SoCs.
> diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
> index 1dd78145b4b9..ab0515d2c420 100644
> --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
> +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
> @@ -30,7 +30,7 @@
>  #include <drm/drm_damage_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_encoder.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
> @@ -914,7 +914,7 @@ static struct drm_gem_object *
>  ingenic_drm_gem_create_object(struct drm_device *drm, size_t size)
>  {
>  	struct ingenic_drm *priv = drm_device_get_priv(drm);
> -	struct drm_gem_cma_object *obj;
> +	struct drm_gem_dma_object *obj;
>  
>  	obj = kzalloc(sizeof(*obj), GFP_KERNEL);
>  	if (!obj)
> @@ -947,7 +947,7 @@ static void ingenic_drm_destroy_state(struct drm_private_obj *obj,
>  	kfree(priv_state);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(ingenic_drm_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(ingenic_drm_fops);
>  
>  static const struct drm_driver ingenic_drm_driver_data = {
>  	.driver_features	= DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
> @@ -960,7 +960,7 @@ static const struct drm_driver ingenic_drm_driver_data = {
>  
>  	.fops			= &ingenic_drm_fops,
>  	.gem_create_object	= ingenic_drm_gem_create_object,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  };
>  
>  static const struct drm_plane_funcs ingenic_drm_primary_plane_funcs = {
> diff --git a/drivers/gpu/drm/ingenic/ingenic-ipu.c b/drivers/gpu/drm/ingenic/ingenic-ipu.c
> index 21052600cef4..7a43505011a5 100644
> --- a/drivers/gpu/drm/ingenic/ingenic-ipu.c
> +++ b/drivers/gpu/drm/ingenic/ingenic-ipu.c
> @@ -26,7 +26,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_plane.h>
>  #include <drm/drm_property.h>
> diff --git a/drivers/gpu/drm/kmb/Kconfig b/drivers/gpu/drm/kmb/Kconfig
> index 5fdd43dad507..fd011367db1d 100644
> --- a/drivers/gpu/drm/kmb/Kconfig
> +++ b/drivers/gpu/drm/kmb/Kconfig
> @@ -3,7 +3,7 @@ config DRM_KMB_DISPLAY
>  	depends on DRM
>  	depends on ARCH_KEEMBAY || COMPILE_TEST
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DSI
>  	help
>  	Choose this option if you have Intel's KeemBay SOC which integrates
> diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
> index 76fef0880504..2382ccb3ee99 100644
> --- a/drivers/gpu/drm/kmb/kmb_drv.c
> +++ b/drivers/gpu/drm/kmb/kmb_drv.c
> @@ -16,7 +16,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_probe_helper.h>
> @@ -433,14 +433,14 @@ static void kmb_irq_uninstall(struct drm_device *drm)
>  	free_irq(kmb->irq_lcd, drm);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fops);
>  
>  static const struct drm_driver kmb_driver = {
>  	.driver_features = DRIVER_GEM |
>  	    DRIVER_MODESET | DRIVER_ATOMIC,
>  	/* GEM Operations */
>  	.fops = &fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.name = "kmb-drm",
>  	.desc = "KEEMBAY DISPLAY DRIVER",
>  	.date = DRIVER_DATE,
> diff --git a/drivers/gpu/drm/kmb/kmb_plane.c b/drivers/gpu/drm/kmb/kmb_plane.c
> index ca3246e48e45..a42f63f6f957 100644
> --- a/drivers/gpu/drm/kmb/kmb_plane.c
> +++ b/drivers/gpu/drm/kmb/kmb_plane.c
> @@ -12,7 +12,7 @@
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  
>  #include "kmb_drv.h"
> diff --git a/drivers/gpu/drm/logicvc/Kconfig b/drivers/gpu/drm/logicvc/Kconfig
> index 73be27cc749c..fa7a88368809 100644
> --- a/drivers/gpu/drm/logicvc/Kconfig
> +++ b/drivers/gpu/drm/logicvc/Kconfig
> @@ -4,6 +4,6 @@ config DRM_LOGICVC
>  	depends on OF || COMPILE_TEST
>  	select DRM_KMS_HELPER
>  	select DRM_KMS_DMA_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	help
>  	  DRM display driver for the logiCVC programmable logic block from Xylon
> diff --git a/drivers/gpu/drm/logicvc/logicvc_crtc.c b/drivers/gpu/drm/logicvc/logicvc_crtc.c
> index c94bb9bb456b..43a675d03808 100644
> --- a/drivers/gpu/drm/logicvc/logicvc_crtc.c
> +++ b/drivers/gpu/drm/logicvc/logicvc_crtc.c
> @@ -12,7 +12,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_crtc.h>
>  #include <drm/drm_drv.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_print.h>
>  #include <drm/drm_vblank.h>
>  
> diff --git a/drivers/gpu/drm/logicvc/logicvc_drm.c b/drivers/gpu/drm/logicvc/logicvc_drm.c
> index 65a050176c33..cc9a4e965f77 100644
> --- a/drivers/gpu/drm/logicvc/logicvc_drm.c
> +++ b/drivers/gpu/drm/logicvc/logicvc_drm.c
> @@ -18,7 +18,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_print.h>
>  
>  #include "logicvc_crtc.h"
> @@ -29,9 +29,9 @@
>  #include "logicvc_of.h"
>  #include "logicvc_regs.h"
>  
> -DEFINE_DRM_GEM_CMA_FOPS(logicvc_drm_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(logicvc_drm_fops);
>  
> -static int logicvc_drm_gem_cma_dumb_create(struct drm_file *file_priv,
> +static int logicvc_drm_gem_dma_dumb_create(struct drm_file *file_priv,
>  					   struct drm_device *drm_dev,
>  					   struct drm_mode_create_dumb *args)
>  {
> @@ -40,7 +40,7 @@ static int logicvc_drm_gem_cma_dumb_create(struct drm_file *file_priv,
>  	/* Stride is always fixed to its configuration value. */
>  	args->pitch = logicvc->config.row_stride * DIV_ROUND_UP(args->bpp, 8);
>  
> -	return drm_gem_cma_dumb_create_internal(file_priv, drm_dev, args);
> +	return drm_gem_dma_dumb_create_internal(file_priv, drm_dev, args);
>  }
>  
>  static struct drm_driver logicvc_drm_driver = {
> @@ -54,7 +54,7 @@ static struct drm_driver logicvc_drm_driver = {
>  	.major				= 1,
>  	.minor				= 0,
>  
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(logicvc_drm_gem_cma_dumb_create),
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(logicvc_drm_gem_dma_dumb_create),
>  };
>  
>  static struct regmap_config logicvc_drm_regmap_config = {
> diff --git a/drivers/gpu/drm/logicvc/logicvc_interface.c b/drivers/gpu/drm/logicvc/logicvc_interface.c
> index c73592f6c406..815cebb4c4ca 100644
> --- a/drivers/gpu/drm/logicvc/logicvc_interface.c
> +++ b/drivers/gpu/drm/logicvc/logicvc_interface.c
> @@ -12,7 +12,7 @@
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_encoder.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_modeset_helper_vtables.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_panel.h>
> diff --git a/drivers/gpu/drm/logicvc/logicvc_mode.c b/drivers/gpu/drm/logicvc/logicvc_mode.c
> index c59da7039dc1..d8207ffda1af 100644
> --- a/drivers/gpu/drm/logicvc/logicvc_mode.c
> +++ b/drivers/gpu/drm/logicvc/logicvc_mode.c
> @@ -11,7 +11,7 @@
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_mode_config.h>
>  #include <drm/drm_panel.h>
> diff --git a/drivers/gpu/drm/mcde/Kconfig b/drivers/gpu/drm/mcde/Kconfig
> index d0bf1bc8da3f..4f3d68e11bc1 100644
> --- a/drivers/gpu/drm/mcde/Kconfig
> +++ b/drivers/gpu/drm/mcde/Kconfig
> @@ -10,7 +10,7 @@ config DRM_MCDE
>  	select DRM_BRIDGE
>  	select DRM_PANEL_BRIDGE
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select VT_HW_CONSOLE_BINDING if FRAMEBUFFER_CONSOLE
>  	help
>  	  Choose this option for DRM support for the ST-Ericsson MCDE
> diff --git a/drivers/gpu/drm/mcde/mcde_display.c b/drivers/gpu/drm/mcde/mcde_display.c
> index 9247da47f0cf..52043a12a2e8 100644
> --- a/drivers/gpu/drm/mcde/mcde_display.c
> +++ b/drivers/gpu/drm/mcde/mcde_display.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_mipi_dsi.h>
>  #include <drm/drm_simple_kms_helper.h>
>  #include <drm/drm_bridge.h>
> diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
> index 509c2b03bc42..1c4482ad507d 100644
> --- a/drivers/gpu/drm/mcde/mcde_drv.c
> +++ b/drivers/gpu/drm/mcde/mcde_drv.c
> @@ -71,7 +71,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_of.h>
> @@ -198,7 +198,7 @@ static int mcde_modeset_init(struct drm_device *drm)
>  	return 0;
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(drm_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(drm_fops);
>  
>  static const struct drm_driver mcde_drm_driver = {
>  	.driver_features =
> @@ -212,7 +212,7 @@ static const struct drm_driver mcde_drm_driver = {
>  	.major = 1,
>  	.minor = 0,
>  	.patchlevel = 0,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  };
>  
>  static int mcde_drm_bind(struct device *dev)
> diff --git a/drivers/gpu/drm/mediatek/Kconfig b/drivers/gpu/drm/mediatek/Kconfig
> index 2976d21e9a34..6d7d0e207082 100644
> --- a/drivers/gpu/drm/mediatek/Kconfig
> +++ b/drivers/gpu/drm/mediatek/Kconfig
> @@ -7,7 +7,7 @@ config DRM_MEDIATEK
>  	depends on HAVE_ARM_SMCCC
>  	depends on OF
>  	depends on MTK_MMSYS
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	select DRM_MIPI_DSI
>  	select DRM_PANEL
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 0e4c77724b05..5f02f8d0e4fc 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -20,7 +20,7 @@
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_gem.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_probe_helper.h>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> index 139d7724c6d0..47e96b0289f9 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> @@ -8,7 +8,7 @@
>  #include <drm/drm.h>
>  #include <drm/drm_device.h>
>  #include <drm/drm_gem.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_prime.h>
>  
>  #include "mtk_drm_drv.h"
> @@ -22,7 +22,7 @@ static const struct drm_gem_object_funcs mtk_drm_gem_object_funcs = {
>  	.vmap = mtk_drm_gem_prime_vmap,
>  	.vunmap = mtk_drm_gem_prime_vunmap,
>  	.mmap = mtk_drm_gem_object_mmap,
> -	.vm_ops = &drm_gem_cma_vm_ops,
> +	.vm_ops = &drm_gem_dma_vm_ops,
>  };
>  
>  static struct mtk_drm_gem_obj *mtk_drm_gem_init(struct drm_device *dev,
> diff --git a/drivers/gpu/drm/meson/Kconfig b/drivers/gpu/drm/meson/Kconfig
> index 6c70fc3214af..823909da87db 100644
> --- a/drivers/gpu/drm/meson/Kconfig
> +++ b/drivers/gpu/drm/meson/Kconfig
> @@ -4,7 +4,7 @@ config DRM_MESON
>  	depends on DRM && OF && (ARM || ARM64)
>  	depends on ARCH_MESON || COMPILE_TEST
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_DISPLAY_CONNECTOR
>  	select VIDEOMODE_HELPERS
>  	select REGMAP_MMIO
> diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
> index 1b70938cfd2c..ef386d7b9450 100644
> --- a/drivers/gpu/drm/meson/meson_drv.c
> +++ b/drivers/gpu/drm/meson/meson_drv.c
> @@ -19,7 +19,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_modeset_helper_vtables.h>
>  #include <drm/drm_module.h>
> @@ -87,16 +87,16 @@ static int meson_dumb_create(struct drm_file *file, struct drm_device *dev,
>  	args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), SZ_64);
>  	args->size = PAGE_ALIGN(args->pitch * args->height);
>  
> -	return drm_gem_cma_dumb_create_internal(file, dev, args);
> +	return drm_gem_dma_dumb_create_internal(file, dev, args);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fops);
>  
>  static const struct drm_driver meson_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  
> -	/* CMA Ops */
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(meson_dumb_create),
> +	/* DMA Ops */
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(meson_dumb_create),
>  
>  	/* Misc */
>  	.fops			= &fops,
> diff --git a/drivers/gpu/drm/meson/meson_overlay.c b/drivers/gpu/drm/meson/meson_overlay.c
> index bfebf45d8402..9d3ab4a80b1c 100644
> --- a/drivers/gpu/drm/meson/meson_overlay.c
> +++ b/drivers/gpu/drm/meson/meson_overlay.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "meson_overlay.h"
>  #include "meson_registers.h"
> @@ -476,7 +476,7 @@ static void meson_overlay_atomic_update(struct drm_plane *plane,
>  									   plane);
>  	struct drm_framebuffer *fb = new_state->fb;
>  	struct meson_drm *priv = meson_overlay->priv;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	unsigned long flags;
>  	bool interlace_mode;
>  
> diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c
> index 51479715cce7..f7b9f63a1e70 100644
> --- a/drivers/gpu/drm/meson/meson_plane.c
> +++ b/drivers/gpu/drm/meson/meson_plane.c
> @@ -19,7 +19,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "meson_plane.h"
>  #include "meson_registers.h"
> @@ -139,7 +139,7 @@ static void meson_plane_atomic_update(struct drm_plane *plane,
>  	struct drm_rect dest = drm_plane_state_dest(new_state);
>  	struct meson_drm *priv = meson_plane->priv;
>  	struct drm_framebuffer *fb = new_state->fb;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	unsigned long flags;
>  	int vsc_ini_rcv_num, vsc_ini_rpt_p0_num;
>  	int vsc_bot_rcv_num, vsc_bot_rpt_p0_num;
> diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
> index 1ed4cd09dbf8..1d0bafedd585 100644
> --- a/drivers/gpu/drm/msm/msm_drv.c
> +++ b/drivers/gpu/drm/msm/msm_drv.c
> @@ -355,7 +355,7 @@ static int msm_init_vram(struct drm_device *dev)
>  		DRM_INFO("using VRAM carveout: %lx@%pa\n", size, &r.start);
>  
>  		/* if we have no IOMMU, then we need to use carveout allocator.
> -		 * Grab the entire CMA chunk carved out in early startup in
> +		 * Grab the entire DMA chunk carved out in early startup in
>  		 * mach-msm:
>  		 */
>  	} else if (!msm_use_mmu(dev)) {
> diff --git a/drivers/gpu/drm/mxsfb/Kconfig b/drivers/gpu/drm/mxsfb/Kconfig
> index 873551b4552f..116f8168bda4 100644
> --- a/drivers/gpu/drm/mxsfb/Kconfig
> +++ b/drivers/gpu/drm/mxsfb/Kconfig
> @@ -10,7 +10,7 @@ config DRM_MXSFB
>  	depends on COMMON_CLK
>  	select DRM_MXS
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_PANEL
>  	select DRM_PANEL_BRIDGE
>  	help
> @@ -26,7 +26,7 @@ config DRM_IMX_LCDIF
>  	depends on COMMON_CLK
>  	select DRM_MXS
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_PANEL
>  	select DRM_PANEL_BRIDGE
>  	help
> diff --git a/drivers/gpu/drm/mxsfb/lcdif_drv.c b/drivers/gpu/drm/mxsfb/lcdif_drv.c
> index befad33dcb95..05db135800db 100644
> --- a/drivers/gpu/drm/mxsfb/lcdif_drv.c
> +++ b/drivers/gpu/drm/mxsfb/lcdif_drv.c
> @@ -20,7 +20,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_mode_config.h>
>  #include <drm/drm_module.h>
> @@ -199,11 +199,11 @@ static void lcdif_unload(struct drm_device *drm)
>  	drm->dev_private = NULL;
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fops);
>  
>  static const struct drm_driver lcdif_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  	.fops	= &fops,
>  	.name	= "imx-lcdif",
>  	.desc	= "i.MX LCDIF Controller DRM",
> diff --git a/drivers/gpu/drm/mxsfb/lcdif_kms.c b/drivers/gpu/drm/mxsfb/lcdif_kms.c
> index 0df418774035..c7efc0d27f0e 100644
> --- a/drivers/gpu/drm/mxsfb/lcdif_kms.c
> +++ b/drivers/gpu/drm/mxsfb/lcdif_kms.c
> @@ -21,7 +21,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_plane.h>
>  #include <drm/drm_vblank.h>
>  
> diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> index 55aad92e08ba..b29b332ed381 100644
> --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> @@ -22,7 +22,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_mode_config.h>
>  #include <drm/drm_module.h>
> @@ -324,11 +324,11 @@ static void mxsfb_unload(struct drm_device *drm)
>  	pm_runtime_disable(drm->dev);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fops);
>  
>  static const struct drm_driver mxsfb_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  	.fops	= &fops,
>  	.name	= "mxsfb-drm",
>  	.desc	= "MXSFB Controller DRM",
> diff --git a/drivers/gpu/drm/mxsfb/mxsfb_kms.c b/drivers/gpu/drm/mxsfb/mxsfb_kms.c
> index e55e9262afb2..0bff493bf2a8 100644
> --- a/drivers/gpu/drm/mxsfb/mxsfb_kms.c
> +++ b/drivers/gpu/drm/mxsfb/mxsfb_kms.c
> @@ -24,7 +24,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_plane.h>
>  #include <drm/drm_vblank.h>
>  
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index a9043eacce97..584a69f99af6 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -166,7 +166,7 @@ config DRM_PANEL_ILITEK_ILI9341
>  	tristate "Ilitek ILI9341 240x320 QVGA panels"
>  	depends on OF && SPI
>  	depends on DRM_KMS_HELPER
> -	depends on DRM_GEM_CMA_HELPER
> +	depends on DRM_GEM_DMA_HELPER
>  	depends on BACKLIGHT_CLASS_DEVICE
>  	select DRM_MIPI_DBI
>  	help
> diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9341.c b/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
> index 6826f4d4826a..7da09e34385d 100644
> --- a/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
> +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
> @@ -32,7 +32,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_mipi_dbi.h>
>  #include <drm/drm_modes.h>
> @@ -586,12 +586,12 @@ static const struct drm_display_mode ili9341_dbi_mode = {
>  	DRM_SIMPLE_MODE(240, 320, 37, 49),
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(ili9341_dbi_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(ili9341_dbi_fops);
>  
>  static struct drm_driver ili9341_dbi_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &ili9341_dbi_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.debugfs_init		= mipi_dbi_debugfs_init,
>  	.name			= "ili9341",
>  	.desc			= "Ilitek ILI9341",
> diff --git a/drivers/gpu/drm/pl111/Kconfig b/drivers/gpu/drm/pl111/Kconfig
> index 91ee05b01303..ad24cdf1d992 100644
> --- a/drivers/gpu/drm/pl111/Kconfig
> +++ b/drivers/gpu/drm/pl111/Kconfig
> @@ -6,7 +6,7 @@ config DRM_PL111
>  	depends on VEXPRESS_CONFIG || VEXPRESS_CONFIG=n
>  	depends on COMMON_CLK
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_BRIDGE
>  	select DRM_PANEL_BRIDGE
>  	select VT_HW_CONSOLE_BINDING if FRAMEBUFFER_CONSOLE
> diff --git a/drivers/gpu/drm/pl111/pl111_display.c b/drivers/gpu/drm/pl111/pl111_display.c
> index 5f2429c3633e..6afdf260a4e2 100644
> --- a/drivers/gpu/drm/pl111/pl111_display.c
> +++ b/drivers/gpu/drm/pl111/pl111_display.c
> @@ -19,7 +19,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_vblank.h>
>  
>  #include "pl111_drm.h"
> diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c
> index 5b5f3573b619..eb25eedb5ee0 100644
> --- a/drivers/gpu/drm/pl111/pl111_drv.c
> +++ b/drivers/gpu/drm/pl111/pl111_drv.c
> @@ -50,7 +50,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_panel.h>
> @@ -207,10 +207,10 @@ pl111_gem_import_sg_table(struct drm_device *dev,
>  	if (priv->use_device_memory)
>  		return ERR_PTR(-EINVAL);
>  
> -	return drm_gem_cma_prime_import_sg_table(dev, attach, sgt);
> +	return drm_gem_dma_prime_import_sg_table(dev, attach, sgt);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(drm_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(drm_fops);
>  
>  static const struct drm_driver pl111_drm_driver = {
>  	.driver_features =
> @@ -223,7 +223,7 @@ static const struct drm_driver pl111_drm_driver = {
>  	.major = 1,
>  	.minor = 0,
>  	.patchlevel = 0,
> -	.dumb_create = drm_gem_cma_dumb_create,
> +	.dumb_create = drm_gem_dma_dumb_create,
>  	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
>  	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
>  	.gem_prime_import_sg_table = pl111_gem_import_sg_table,
> diff --git a/drivers/gpu/drm/rcar-du/Kconfig b/drivers/gpu/drm/rcar-du/Kconfig
> index f6e6a6d5d987..c959e8c6be7d 100644
> --- a/drivers/gpu/drm/rcar-du/Kconfig
> +++ b/drivers/gpu/drm/rcar-du/Kconfig
> @@ -5,7 +5,7 @@ config DRM_RCAR_DU
>  	depends on ARM || ARM64
>  	depends on ARCH_RENESAS || COMPILE_TEST
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select VIDEOMODE_HELPERS
>  	help
>  	  Choose this option if you have an R-Car chipset.
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> index ed887ebd2f6b..fd3b94649a01 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> @@ -17,7 +17,7 @@
>  #include <drm/drm_bridge.h>
>  #include <drm/drm_crtc.h>
>  #include <drm/drm_device.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_vblank.h>
>  
>  #include "rcar_cmm.h"
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> index 110ec9538b44..00ac233a115e 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> @@ -21,7 +21,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_probe_helper.h>
>  
> @@ -578,7 +578,7 @@ const char *rcar_du_output_name(enum rcar_du_output output)
>   * DRM operations
>   */
>  
> -DEFINE_DRM_GEM_CMA_FOPS(rcar_du_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(rcar_du_fops);
>  
>  static const struct drm_driver rcar_du_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> index 7fed5b0c65ce..c9b8c4e03c25 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> @@ -12,7 +12,7 @@
>  #include <drm/drm_crtc.h>
>  #include <drm/drm_device.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_probe_helper.h>
> @@ -327,12 +327,12 @@ const struct rcar_du_format_info *rcar_du_format_info(u32 fourcc)
>   */
>  
>  static const struct drm_gem_object_funcs rcar_du_gem_funcs = {
> -	.free = drm_gem_cma_object_free,
> -	.print_info = drm_gem_cma_object_print_info,
> -	.get_sg_table = drm_gem_cma_object_get_sg_table,
> -	.vmap = drm_gem_cma_object_vmap,
> -	.mmap = drm_gem_cma_object_mmap,
> -	.vm_ops = &drm_gem_cma_vm_ops,
> +	.free = drm_gem_dma_object_free,
> +	.print_info = drm_gem_dma_object_print_info,
> +	.get_sg_table = drm_gem_dma_object_get_sg_table,
> +	.vmap = drm_gem_dma_object_vmap,
> +	.mmap = drm_gem_dma_object_mmap,
> +	.vm_ops = &drm_gem_dma_vm_ops,
>  };
>  
>  struct drm_gem_object *rcar_du_gem_prime_import_sg_table(struct drm_device *dev,
> @@ -340,33 +340,33 @@ struct drm_gem_object *rcar_du_gem_prime_import_sg_table(struct drm_device *dev,
>  				struct sg_table *sgt)
>  {
>  	struct rcar_du_device *rcdu = to_rcar_du_device(dev);
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct drm_gem_object *gem_obj;
>  	int ret;
>  
>  	if (!rcar_du_has(rcdu, RCAR_DU_FEATURE_VSP1_SOURCE))
> -		return drm_gem_cma_prime_import_sg_table(dev, attach, sgt);
> +		return drm_gem_dma_prime_import_sg_table(dev, attach, sgt);
>  
> -	/* Create a CMA GEM buffer. */
> -	cma_obj = kzalloc(sizeof(*cma_obj), GFP_KERNEL);
> -	if (!cma_obj)
> +	/* Create a DMA GEM buffer. */
> +	dma_obj = kzalloc(sizeof(*dma_obj), GFP_KERNEL);
> +	if (!dma_obj)
>  		return ERR_PTR(-ENOMEM);
>  
> -	gem_obj = &cma_obj->base;
> +	gem_obj = &dma_obj->base;
>  	gem_obj->funcs = &rcar_du_gem_funcs;
>  
>  	drm_gem_private_object_init(dev, gem_obj, attach->dmabuf->size);
> -	cma_obj->map_noncoherent = false;
> +	dma_obj->map_noncoherent = false;
>  
>  	ret = drm_gem_create_mmap_offset(gem_obj);
>  	if (ret) {
>  		drm_gem_object_release(gem_obj);
> -		kfree(cma_obj);
> +		kfree(dma_obj);
>  		return ERR_PTR(ret);
>  	}
>  
> -	cma_obj->paddr = 0;
> -	cma_obj->sgt = sgt;
> +	dma_obj->paddr = 0;
> +	dma_obj->sgt = sgt;
>  
>  	return gem_obj;
>  }
> @@ -389,7 +389,7 @@ int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev,
>  
>  	args->pitch = roundup(min_pitch, align);
>  
> -	return drm_gem_cma_dumb_create_internal(file, dev, args);
> +	return drm_gem_dma_dumb_create_internal(file, dev, args);
>  }
>  
>  static struct drm_framebuffer *
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> index 4ae444346991..31024f50cd23 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "rcar_du_drv.h"
>  #include "rcar_du_group.h"
> @@ -341,7 +341,7 @@ static void rcar_du_plane_setup_scanout(struct rcar_du_group *rgrp,
>  
>  	if (state->source == RCAR_DU_PLANE_MEMORY) {
>  		struct drm_framebuffer *fb = state->state.fb;
> -		struct drm_gem_cma_object *gem;
> +		struct drm_gem_dma_object *gem;
>  		unsigned int i;
>  
>  		if (state->format->planes == 2)
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> index 99d32f42e46d..0f6c0a08e74d 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_vblank.h>
>  
> @@ -183,7 +183,7 @@ int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb,
>  	int ret;
>  
>  	for (i = 0; i < fb->format->num_planes; ++i) {
> -		struct drm_gem_cma_object *gem = drm_fb_dma_get_gem_obj(fb, i);
> +		struct drm_gem_dma_object *gem = drm_fb_dma_get_gem_obj(fb, i);
>  		struct sg_table *sgt = &sg_tables[i];
>  
>  		if (gem->sgt) {
> diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
> index 53c2d9980d48..1bf3e2829cd0 100644
> --- a/drivers/gpu/drm/rockchip/Kconfig
> +++ b/drivers/gpu/drm/rockchip/Kconfig
> @@ -2,7 +2,7 @@
>  config DRM_ROCKCHIP
>  	tristate "DRM Support for Rockchip"
>  	depends on DRM && ROCKCHIP_IOMMU
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	select DRM_PANEL
>  	select VIDEOMODE_HELPERS
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> index 67d38f53d3e5..49831c738d4d 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> @@ -18,7 +18,7 @@
>  #include <drm/drm_aperture.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_vblank.h>
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> index 985584147da1..614e97aaac80 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> @@ -10,7 +10,7 @@
>  
>  #include <drm/drm.h>
>  #include <drm/drm_gem.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_prime.h>
>  #include <drm/drm_vma_manager.h>
>  
> @@ -279,7 +279,7 @@ static const struct drm_gem_object_funcs rockchip_gem_object_funcs = {
>  	.vmap = rockchip_gem_prime_vmap,
>  	.vunmap	= rockchip_gem_prime_vunmap,
>  	.mmap = rockchip_drm_gem_object_mmap,
> -	.vm_ops = &drm_gem_cma_vm_ops,
> +	.vm_ops = &drm_gem_dma_vm_ops,
>  };
>  
>  static struct rockchip_gem_object *
> diff --git a/drivers/gpu/drm/shmobile/Kconfig b/drivers/gpu/drm/shmobile/Kconfig
> index 288b838a904a..4ec5dc74a6b0 100644
> --- a/drivers/gpu/drm/shmobile/Kconfig
> +++ b/drivers/gpu/drm/shmobile/Kconfig
> @@ -5,7 +5,7 @@ config DRM_SHMOBILE
>  	depends on ARCH_SHMOBILE || COMPILE_TEST
>  	select BACKLIGHT_CLASS_DEVICE
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	help
>  	  Choose this option if you have an SH Mobile chipset.
>  	  If M is selected the module will be called shmob-drm.
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
> index 94318f858ed6..bdf3e8841a40 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_simple_kms_helper.h>
>  #include <drm/drm_vblank.h>
> @@ -288,7 +288,7 @@ static void shmob_drm_crtc_compute_base(struct shmob_drm_crtc *scrtc,
>  {
>  	struct drm_crtc *crtc = &scrtc->crtc;
>  	struct drm_framebuffer *fb = crtc->primary->fb;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	unsigned int bpp;
>  
>  	bpp = scrtc->format->yuv ? 8 : scrtc->format->bpp;
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> index 731cbad7520f..3d511fa38913 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> @@ -17,7 +17,7 @@
>  
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_drv.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_vblank.h>
> @@ -126,11 +126,11 @@ static irqreturn_t shmob_drm_irq(int irq, void *arg)
>  	return IRQ_HANDLED;
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(shmob_drm_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(shmob_drm_fops);
>  
>  static const struct drm_driver shmob_drm_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  	.fops			= &shmob_drm_fops,
>  	.name			= "shmob-drm",
>  	.desc			= "Renesas SH Mobile DRM",
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/shmobile/shmob_drm_kms.c
> index edb003537530..60a2c8d8a0d9 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_kms.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_kms.c
> @@ -10,7 +10,7 @@
>  #include <drm/drm_crtc.h>
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_fourcc.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_probe_helper.h>
>  
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_kms.h b/drivers/gpu/drm/shmobile/shmob_drm_kms.h
> index 6ec2b732bb94..0347b1fd2338 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_kms.h
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_kms.h
> @@ -12,7 +12,7 @@
>  
>  #include <linux/types.h>
>  
> -struct drm_gem_cma_object;
> +struct drm_gem_dma_object;
>  struct shmob_drm_device;
>  
>  struct shmob_drm_format_info {
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/shmobile/shmob_drm_plane.c
> index 6fa64bce0c91..6d167e858d86 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_plane.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_plane.c
> @@ -12,7 +12,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "shmob_drm_drv.h"
>  #include "shmob_drm_kms.h"
> @@ -41,7 +41,7 @@ static void shmob_drm_plane_compute_base(struct shmob_drm_plane *splane,
>  					 struct drm_framebuffer *fb,
>  					 int x, int y)
>  {
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	unsigned int bpp;
>  
>  	bpp = splane->format->yuv ? 8 : splane->format->bpp;
> diff --git a/drivers/gpu/drm/sprd/Kconfig b/drivers/gpu/drm/sprd/Kconfig
> index 9a9c7ebfc716..e22b780fe822 100644
> --- a/drivers/gpu/drm/sprd/Kconfig
> +++ b/drivers/gpu/drm/sprd/Kconfig
> @@ -2,7 +2,7 @@ config DRM_SPRD
>  	tristate "DRM Support for Unisoc SoCs Platform"
>  	depends on ARCH_SPRD || COMPILE_TEST
>  	depends on DRM && OF
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	select DRM_MIPI_DSI
>  	select VIDEOMODE_HELPERS
> diff --git a/drivers/gpu/drm/sprd/sprd_dpu.c b/drivers/gpu/drm/sprd/sprd_dpu.c
> index 5ea104e0beb8..44c0fba93607 100644
> --- a/drivers/gpu/drm/sprd/sprd_dpu.c
> +++ b/drivers/gpu/drm/sprd/sprd_dpu.c
> @@ -21,7 +21,7 @@
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  
>  #include "sprd_drm.h"
> @@ -323,7 +323,7 @@ static u32 drm_blend_to_dpu(struct drm_plane_state *state)
>  static void sprd_dpu_layer(struct sprd_dpu *dpu, struct drm_plane_state *state)
>  {
>  	struct dpu_context *ctx = &dpu->ctx;
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct drm_framebuffer *fb = state->fb;
>  	u32 addr, size, offset, pitch, blend, format, rotation;
>  	u32 src_x = state->src_x >> 16;
> @@ -340,8 +340,8 @@ static void sprd_dpu_layer(struct sprd_dpu *dpu, struct drm_plane_state *state)
>  	size = (src_w & 0xffff) | (src_h << 16);
>  
>  	for (i = 0; i < fb->format->num_planes; i++) {
> -		cma_obj = drm_fb_dma_get_gem_obj(fb, i);
> -		addr = cma_obj->paddr + fb->offsets[i];
> +		dma_obj = drm_fb_dma_get_gem_obj(fb, i);
> +		addr = dma_obj->paddr + fb->offsets[i];
>  
>  		if (i == 0)
>  			layer_reg_wr(ctx, REG_LAY_BASE_ADDR0, addr, index);
> diff --git a/drivers/gpu/drm/sprd/sprd_drm.c b/drivers/gpu/drm/sprd/sprd_drm.c
> index b8fc1c6a0cb8..9d42f17a5734 100644
> --- a/drivers/gpu/drm/sprd/sprd_drm.c
> +++ b/drivers/gpu/drm/sprd/sprd_drm.c
> @@ -13,7 +13,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_drv.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_probe_helper.h>
> @@ -48,14 +48,14 @@ static void sprd_drm_mode_config_init(struct drm_device *drm)
>  	drm->mode_config.helper_private = &sprd_drm_mode_config_helper;
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(sprd_drm_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(sprd_drm_fops);
>  
>  static struct drm_driver sprd_drm_drv = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &sprd_drm_fops,
>  
>  	/* GEM Operations */
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  
>  	.name			= DRIVER_NAME,
>  	.desc			= DRIVER_DESC,
> diff --git a/drivers/gpu/drm/sti/Kconfig b/drivers/gpu/drm/sti/Kconfig
> index 246a94afbe74..f2a880c48485 100644
> --- a/drivers/gpu/drm/sti/Kconfig
> +++ b/drivers/gpu/drm/sti/Kconfig
> @@ -4,7 +4,7 @@ config DRM_STI
>  	depends on OF && DRM && (ARCH_STI || ARCH_MULTIPLATFORM)
>  	select RESET_CONTROLLER
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_PANEL
>  	select FW_LOADER
>  	select SND_SOC_HDMI_CODEC if SND_SOC
> diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c
> index d374fa50be60..db0a1eb53532 100644
> --- a/drivers/gpu/drm/sti/sti_cursor.c
> +++ b/drivers/gpu/drm/sti/sti_cursor.c
> @@ -13,7 +13,7 @@
>  #include <drm/drm_device.h>
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "sti_compositor.h"
>  #include "sti_cursor.h"
> @@ -244,7 +244,7 @@ static int sti_cursor_atomic_check(struct drm_plane *drm_plane,
>  	}
>  
>  	if (!drm_fb_dma_get_gem_obj(fb, 0)) {
> -		DRM_ERROR("Can't get CMA GEM object for fb\n");
> +		DRM_ERROR("Can't get DMA GEM object for fb\n");
>  		return -EINVAL;
>  	}
>  
> @@ -267,7 +267,7 @@ static void sti_cursor_atomic_update(struct drm_plane *drm_plane,
>  	struct drm_framebuffer *fb = newstate->fb;
>  	struct drm_display_mode *mode;
>  	int dst_x, dst_y;
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	u32 y, x;
>  	u32 val;
>  
> @@ -278,10 +278,10 @@ static void sti_cursor_atomic_update(struct drm_plane *drm_plane,
>  	dst_x = newstate->crtc_x;
>  	dst_y = newstate->crtc_y;
>  
> -	cma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> +	dma_obj = drm_fb_dma_get_gem_obj(fb, 0);
>  
>  	/* Convert ARGB8888 to CLUT8 */
> -	sti_cursor_argb8888_to_clut8(cursor, (u32 *)cma_obj->vaddr);
> +	sti_cursor_argb8888_to_clut8(cursor, (u32 *)dma_obj->vaddr);
>  
>  	/* AWS and AWE depend on the mode */
>  	y = sti_vtg_get_line_number(*mode, 0);
> diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
> index c0fbdb8cf6eb..7abf010a3293 100644
> --- a/drivers/gpu/drm/sti/sti_drv.c
> +++ b/drivers/gpu/drm/sti/sti_drv.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_debugfs.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_probe_helper.h>
> @@ -127,12 +127,12 @@ static void sti_mode_config_init(struct drm_device *dev)
>  	dev->mode_config.normalize_zpos = true;
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(sti_driver_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(sti_driver_fops);
>  
>  static const struct drm_driver sti_driver = {
>  	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
>  	.fops = &sti_driver_fops,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  
>  	.debugfs_init = sti_drm_dbg_init,
>  
> diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
> index 623a09163f9f..3ce9d4992176 100644
> --- a/drivers/gpu/drm/sti/sti_gdp.c
> +++ b/drivers/gpu/drm/sti/sti_gdp.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "sti_compositor.h"
>  #include "sti_gdp.h"
> @@ -659,7 +659,7 @@ static int sti_gdp_atomic_check(struct drm_plane *drm_plane,
>  	}
>  
>  	if (!drm_fb_dma_get_gem_obj(fb, 0)) {
> -		DRM_ERROR("Can't get CMA GEM object for fb\n");
> +		DRM_ERROR("Can't get DMA GEM object for fb\n");
>  		return -EINVAL;
>  	}
>  
> @@ -714,7 +714,7 @@ static void sti_gdp_atomic_update(struct drm_plane *drm_plane,
>  	struct drm_display_mode *mode;
>  	int dst_x, dst_y, dst_w, dst_h;
>  	int src_x, src_y, src_w, src_h;
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct sti_gdp_node_list *list;
>  	struct sti_gdp_node_list *curr_list;
>  	struct sti_gdp_node *top_field, *btm_field;
> @@ -778,15 +778,15 @@ static void sti_gdp_atomic_update(struct drm_plane *drm_plane,
>  	top_field->gam_gdp_ctl |= sti_gdp_get_alpharange(format);
>  	top_field->gam_gdp_ppt &= ~GAM_GDP_PPT_IGNORE;
>  
> -	cma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> +	dma_obj = drm_fb_dma_get_gem_obj(fb, 0);
>  
>  	DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id,
>  			 (char *)&fb->format->format,
> -			 (unsigned long)cma_obj->paddr);
> +			 (unsigned long)dma_obj->paddr);
>  
>  	/* pixel memory location */
>  	bpp = fb->format->cpp[0];
> -	top_field->gam_gdp_pml = (u32)cma_obj->paddr + fb->offsets[0];
> +	top_field->gam_gdp_pml = (u32)dma_obj->paddr + fb->offsets[0];
>  	top_field->gam_gdp_pml += src_x * bpp;
>  	top_field->gam_gdp_pml += src_y * fb->pitches[0];
>  
> @@ -831,7 +831,7 @@ static void sti_gdp_atomic_update(struct drm_plane *drm_plane,
>  	dev_dbg(gdp->dev, "Current NVN:0x%X\n",
>  		readl(gdp->regs + GAM_GDP_NVN_OFFSET));
>  	dev_dbg(gdp->dev, "Posted buff: %lx current buff: %x\n",
> -		(unsigned long)cma_obj->paddr,
> +		(unsigned long)dma_obj->paddr,
>  		readl(gdp->regs + GAM_GDP_PML_OFFSET));
>  
>  	if (!curr_list) {
> diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c
> index 26284c5f5b22..ee274140274d 100644
> --- a/drivers/gpu/drm/sti/sti_hqvdp.c
> +++ b/drivers/gpu/drm/sti/sti_hqvdp.c
> @@ -19,7 +19,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "sti_compositor.h"
>  #include "sti_drv.h"
> @@ -1056,7 +1056,7 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane,
>  	}
>  
>  	if (!drm_fb_dma_get_gem_obj(fb, 0)) {
> -		DRM_ERROR("Can't get CMA GEM object for fb\n");
> +		DRM_ERROR("Can't get DMA GEM object for fb\n");
>  		return -EINVAL;
>  	}
>  
> @@ -1124,7 +1124,7 @@ static void sti_hqvdp_atomic_update(struct drm_plane *drm_plane,
>  	struct drm_display_mode *mode;
>  	int dst_x, dst_y, dst_w, dst_h;
>  	int src_x, src_y, src_w, src_h;
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct sti_hqvdp_cmd *cmd;
>  	int scale_h, scale_v;
>  	int cmd_offset;
> @@ -1178,15 +1178,15 @@ static void sti_hqvdp_atomic_update(struct drm_plane *drm_plane,
>  	cmd->iqi.sat_gain = IQI_SAT_GAIN_DFLT;
>  	cmd->iqi.pxf_conf = IQI_PXF_CONF_DFLT;
>  
> -	cma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> +	dma_obj = drm_fb_dma_get_gem_obj(fb, 0);
>  
>  	DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id,
>  			 (char *)&fb->format->format,
> -			 (unsigned long)cma_obj->paddr);
> +			 (unsigned long)dma_obj->paddr);
>  
>  	/* Buffer planes address */
> -	cmd->top.current_luma = (u32)cma_obj->paddr + fb->offsets[0];
> -	cmd->top.current_chroma = (u32)cma_obj->paddr + fb->offsets[1];
> +	cmd->top.current_luma = (u32)dma_obj->paddr + fb->offsets[0];
> +	cmd->top.current_chroma = (u32)dma_obj->paddr + fb->offsets[1];
>  
>  	/* Pitches */
>  	cmd->top.luma_processed_pitch = fb->pitches[0];
> diff --git a/drivers/gpu/drm/sti/sti_plane.c b/drivers/gpu/drm/sti/sti_plane.c
> index 0a55180be22b..29e669ccec5b 100644
> --- a/drivers/gpu/drm/sti/sti_plane.c
> +++ b/drivers/gpu/drm/sti/sti_plane.c
> @@ -11,7 +11,7 @@
>  #include <drm/drm_blend.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  
>  #include "sti_compositor.h"
>  #include "sti_drv.h"
> diff --git a/drivers/gpu/drm/stm/Kconfig b/drivers/gpu/drm/stm/Kconfig
> index e0379488cd0d..ded72f879482 100644
> --- a/drivers/gpu/drm/stm/Kconfig
> +++ b/drivers/gpu/drm/stm/Kconfig
> @@ -3,7 +3,7 @@ config DRM_STM
>  	tristate "DRM Support for STMicroelectronics SoC Series"
>  	depends on DRM && (ARCH_STM32 || ARCH_MULTIPLATFORM)
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_PANEL_BRIDGE
>  	select VIDEOMODE_HELPERS
>  	select FB_PROVIDE_GET_FB_UNMAPPED_AREA if FB
> diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
> index bb269dad30f9..d7914f5122df 100644
> --- a/drivers/gpu/drm/stm/drv.c
> +++ b/drivers/gpu/drm/stm/drv.c
> @@ -19,7 +19,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_probe_helper.h>
> @@ -36,7 +36,7 @@ static const struct drm_mode_config_funcs drv_mode_config_funcs = {
>  	.atomic_commit = drm_atomic_helper_commit,
>  };
>  
> -static int stm_gem_cma_dumb_create(struct drm_file *file,
> +static int stm_gem_dma_dumb_create(struct drm_file *file,
>  				   struct drm_device *dev,
>  				   struct drm_mode_create_dumb *args)
>  {
> @@ -49,10 +49,10 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
>  	args->pitch = roundup(min_pitch, 128);
>  	args->height = roundup(args->height, 4);
>  
> -	return drm_gem_cma_dumb_create_internal(file, dev, args);
> +	return drm_gem_dma_dumb_create_internal(file, dev, args);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(drv_driver_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(drv_driver_fops);
>  
>  static const struct drm_driver drv_driver = {
>  	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
> @@ -63,7 +63,7 @@ static const struct drm_driver drv_driver = {
>  	.minor = 0,
>  	.patchlevel = 0,
>  	.fops = &drv_driver_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(stm_gem_cma_dumb_create),
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(stm_gem_dma_dumb_create),
>  };
>  
>  static int drv_load(struct drm_device *ddev)
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index 42a98ef73d03..03c6becda795 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -32,7 +32,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_simple_kms_helper.h>
> diff --git a/drivers/gpu/drm/sun4i/Kconfig b/drivers/gpu/drm/sun4i/Kconfig
> index 1c2f8909f3cd..4741d9f6544c 100644
> --- a/drivers/gpu/drm/sun4i/Kconfig
> +++ b/drivers/gpu/drm/sun4i/Kconfig
> @@ -3,7 +3,7 @@ config DRM_SUN4I
>  	tristate "DRM Support for Allwinner A10 Display Engine"
>  	depends on DRM && COMMON_CLK
>  	depends on ARCH_SUNXI || COMPILE_TEST
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	select DRM_PANEL
>  	select REGMAP_MMIO
> diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
> index fa4539c3b149..1fbdd4961194 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_backend.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
> @@ -22,7 +22,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_probe_helper.h>
>  
>  #include "sun4i_backend.h"
> diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
> index 382074ef1394..d06ffd99d86e 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_drv.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
> @@ -18,7 +18,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_of.h>
>  #include <drm/drm_probe_helper.h>
> @@ -37,10 +37,10 @@ static int drm_sun4i_gem_dumb_create(struct drm_file *file_priv,
>  	/* The hardware only allows even pitches for YUV buffers. */
>  	args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), 2);
>  
> -	return drm_gem_cma_dumb_create_internal(file_priv, drm, args);
> +	return drm_gem_dma_dumb_create_internal(file_priv, drm, args);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(sun4i_drv_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(sun4i_drv_fops);
>  
>  static const struct drm_driver sun4i_drv_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> @@ -54,7 +54,7 @@ static const struct drm_driver sun4i_drv_driver = {
>  	.minor			= 0,
>  
>  	/* GEM Operations */
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(drm_sun4i_gem_dumb_create),
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(drm_sun4i_gem_dumb_create),
>  };
>  
>  static int sun4i_drv_bind(struct device *dev)
> diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
> index 4a811e803dac..baeeda04691f 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c
> @@ -17,7 +17,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_plane.h>
>  
>  #include "sun4i_drv.h"
> diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
> index b3d1c0940406..bafee05f6b24 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
> @@ -17,7 +17,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_crtc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_probe_helper.h>
>  
>  #include "sun4i_drv.h"
> diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> index 900c71c47a3b..090523356193 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> @@ -17,7 +17,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_probe_helper.h>
>  
>  #include "sun8i_mixer.h"
> @@ -192,7 +192,7 @@ static int sun8i_ui_layer_update_buffer(struct sun8i_mixer *mixer, int channel,
>  {
>  	struct drm_plane_state *state = plane->state;
>  	struct drm_framebuffer *fb = state->fb;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	dma_addr_t paddr;
>  	u32 ch_base;
>  	int bpp;
> diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> index 8b5dae30c8c5..8def7e0290ce 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> @@ -10,7 +10,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_probe_helper.h>
>  
>  #include "sun8i_csc.h"
> @@ -308,7 +308,7 @@ static int sun8i_vi_layer_update_buffer(struct sun8i_mixer *mixer, int channel,
>  	struct drm_plane_state *state = plane->state;
>  	struct drm_framebuffer *fb = state->fb;
>  	const struct drm_format_info *format = fb->format;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	u32 dx, dy, src_x, src_y;
>  	dma_addr_t paddr;
>  	u32 ch_base;
> diff --git a/drivers/gpu/drm/tidss/Kconfig b/drivers/gpu/drm/tidss/Kconfig
> index bc4fa59b6fa9..378600806167 100644
> --- a/drivers/gpu/drm/tidss/Kconfig
> +++ b/drivers/gpu/drm/tidss/Kconfig
> @@ -3,7 +3,7 @@ config DRM_TIDSS
>  	depends on DRM && OF
>  	depends on ARM || ARM64 || COMPILE_TEST
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	help
>  	  The TI Keystone family SoCs introduced a new generation of
>  	  Display SubSystem. There is currently three Keystone family
> diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c b/drivers/gpu/drm/tidss/tidss_crtc.c
> index 92d2c25bb0ff..cd3c43a6c806 100644
> --- a/drivers/gpu/drm/tidss/tidss_crtc.c
> +++ b/drivers/gpu/drm/tidss/tidss_crtc.c
> @@ -8,7 +8,7 @@
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_crtc.h>
>  #include <drm/drm_crtc_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_vblank.h>
>  
>  #include "tidss_crtc.h"
> diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
> index cdd9a64f9736..6f3fa37b9ca0 100644
> --- a/drivers/gpu/drm/tidss/tidss_dispc.c
> +++ b/drivers/gpu/drm/tidss/tidss_dispc.c
> @@ -26,7 +26,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_panel.h>
>  
>  #include "tidss_crtc.h"
> @@ -1957,7 +1957,7 @@ static
>  dma_addr_t dispc_plane_state_paddr(const struct drm_plane_state *state)
>  {
>  	struct drm_framebuffer *fb = state->fb;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	u32 x = state->src_x >> 16;
>  	u32 y = state->src_y >> 16;
>  
> @@ -1971,7 +1971,7 @@ static
>  dma_addr_t dispc_plane_state_p_uv_addr(const struct drm_plane_state *state)
>  {
>  	struct drm_framebuffer *fb = state->fb;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	u32 x = state->src_x >> 16;
>  	u32 y = state->src_y >> 16;
>  
> diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c
> index 04cfff89ee51..15cd9b91b7e2 100644
> --- a/drivers/gpu/drm/tidss/tidss_drv.c
> +++ b/drivers/gpu/drm/tidss/tidss_drv.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_probe_helper.h>
> @@ -101,13 +101,13 @@ static void tidss_release(struct drm_device *ddev)
>  	drm_kms_helper_poll_fini(ddev);
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(tidss_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(tidss_fops);
>  
>  static const struct drm_driver tidss_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &tidss_fops,
>  	.release		= tidss_release,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.name			= "tidss",
>  	.desc			= "TI Keystone DSS",
>  	.date			= "20180215",
> diff --git a/drivers/gpu/drm/tilcdc/Kconfig b/drivers/gpu/drm/tilcdc/Kconfig
> index e315591eb36b..d3bd2d7a181e 100644
> --- a/drivers/gpu/drm/tilcdc/Kconfig
> +++ b/drivers/gpu/drm/tilcdc/Kconfig
> @@ -3,7 +3,7 @@ config DRM_TILCDC
>  	tristate "DRM Support for TI LCDC Display Controller"
>  	depends on DRM && OF && ARM
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_BRIDGE
>  	select DRM_PANEL_BRIDGE
>  	select VIDEOMODE_HELPERS
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> index bd4f52242c0a..9034b9778539 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_fb_dma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_modeset_helper_vtables.h>
>  #include <drm/drm_print.h>
>  #include <drm/drm_vblank.h>
> @@ -64,7 +64,7 @@ static void set_scanout(struct drm_crtc *crtc, struct drm_framebuffer *fb)
>  {
>  	struct drm_device *dev = crtc->dev;
>  	struct tilcdc_drm_private *priv = dev->dev_private;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	dma_addr_t start, end;
>  	u64 dma_base_and_ceiling;
>  
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> index eee3c447fbac..f72755b8ea14 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> @@ -18,7 +18,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_mm.h>
>  #include <drm/drm_probe_helper.h>
> @@ -476,11 +476,11 @@ static void tilcdc_debugfs_init(struct drm_minor *minor)
>  }
>  #endif
>  
> -DEFINE_DRM_GEM_CMA_FOPS(fops);
> +DEFINE_DRM_GEM_DMA_FOPS(fops);
>  
>  static const struct drm_driver tilcdc_driver = {
>  	.driver_features    = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  #ifdef CONFIG_DEBUG_FS
>  	.debugfs_init       = tilcdc_debugfs_init,
>  #endif
> diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig
> index 027cd87c3d0d..565957264875 100644
> --- a/drivers/gpu/drm/tiny/Kconfig
> +++ b/drivers/gpu/drm/tiny/Kconfig
> @@ -3,7 +3,7 @@
>  config DRM_ARCPGU
>  	tristate "ARC PGU"
>  	depends on DRM && OF
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	help
>  	  Choose this option if you have an ARC PGU controller.
> @@ -55,7 +55,7 @@ config DRM_PANEL_MIPI_DBI
>  	tristate "DRM support for MIPI DBI compatible panels"
>  	depends on DRM && SPI
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DBI
>  	select BACKLIGHT_CLASS_DEVICE
>  	select VIDEOMODE_HELPERS
> @@ -87,7 +87,7 @@ config TINYDRM_HX8357D
>  	tristate "DRM support for HX8357D display panels"
>  	depends on DRM && SPI
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DBI
>  	select BACKLIGHT_CLASS_DEVICE
>  	help
> @@ -100,7 +100,7 @@ config TINYDRM_ILI9163
>  	tristate "DRM support for ILI9163 display panels"
>  	depends on DRM && SPI
>  	select BACKLIGHT_CLASS_DEVICE
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	select DRM_MIPI_DBI
>  	help
> @@ -113,7 +113,7 @@ config TINYDRM_ILI9225
>  	tristate "DRM support for ILI9225 display panels"
>  	depends on DRM && SPI
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DBI
>  	help
>  	  DRM driver for the following Ilitek ILI9225 panels:
> @@ -125,7 +125,7 @@ config TINYDRM_ILI9341
>  	tristate "DRM support for ILI9341 display panels"
>  	depends on DRM && SPI
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DBI
>  	select BACKLIGHT_CLASS_DEVICE
>  	help
> @@ -138,7 +138,7 @@ config TINYDRM_ILI9486
>  	tristate "DRM support for ILI9486 display panels"
>  	depends on DRM && SPI
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DBI
>  	select BACKLIGHT_CLASS_DEVICE
>  	help
> @@ -152,7 +152,7 @@ config TINYDRM_MI0283QT
>  	tristate "DRM support for MI0283QT"
>  	depends on DRM && SPI
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DBI
>  	select BACKLIGHT_CLASS_DEVICE
>  	help
> @@ -163,7 +163,7 @@ config TINYDRM_REPAPER
>  	tristate "DRM support for Pervasive Displays RePaper panels (V231)"
>  	depends on DRM && SPI
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	help
>  	  DRM driver for the following Pervasive Displays panels:
>  	  1.44" TFT EPD Panel (E1144CS021)
> @@ -177,7 +177,7 @@ config TINYDRM_ST7586
>  	tristate "DRM support for Sitronix ST7586 display panels"
>  	depends on DRM && SPI
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DBI
>  	help
>  	  DRM driver for the following Sitronix ST7586 panels:
> @@ -189,7 +189,7 @@ config TINYDRM_ST7735R
>  	tristate "DRM support for Sitronix ST7715R/ST7735R display panels"
>  	depends on DRM && SPI
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_MIPI_DBI
>  	select BACKLIGHT_CLASS_DEVICE
>  	help
> diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c
> index cdf320c547fb..21d9e0bd67ba 100644
> --- a/drivers/gpu/drm/tiny/arcpgu.c
> +++ b/drivers/gpu/drm/tiny/arcpgu.c
> @@ -15,7 +15,7 @@
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_of.h>
> @@ -220,7 +220,7 @@ static void arc_pgu_update(struct drm_simple_display_pipe *pipe,
>  			   struct drm_plane_state *state)
>  {
>  	struct arcpgu_drm_private *arcpgu;
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  
>  	if (!pipe->plane.state->fb)
>  		return;
> @@ -243,7 +243,7 @@ static const struct drm_mode_config_funcs arcpgu_drm_modecfg_funcs = {
>  	.atomic_commit = drm_atomic_helper_commit,
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(arcpgu_drm_ops);
> +DEFINE_DRM_GEM_DMA_FOPS(arcpgu_drm_ops);
>  
>  static int arcpgu_load(struct arcpgu_drm_private *arcpgu)
>  {
> @@ -370,7 +370,7 @@ static const struct drm_driver arcpgu_drm_driver = {
>  	.minor = 0,
>  	.patchlevel = 0,
>  	.fops = &arcpgu_drm_ops,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  #ifdef CONFIG_DEBUG_FS
>  	.debugfs_init = arcpgu_debugfs_init,
>  #endif
> diff --git a/drivers/gpu/drm/tiny/hx8357d.c b/drivers/gpu/drm/tiny/hx8357d.c
> index ebb025543f8d..57f229a785bf 100644
> --- a/drivers/gpu/drm/tiny/hx8357d.c
> +++ b/drivers/gpu/drm/tiny/hx8357d.c
> @@ -20,7 +20,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mipi_dbi.h>
>  #include <drm/drm_modeset_helper.h>
> @@ -190,12 +190,12 @@ static const struct drm_display_mode yx350hv15_mode = {
>  	DRM_SIMPLE_MODE(320, 480, 60, 75),
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(hx8357d_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(hx8357d_fops);
>  
>  static const struct drm_driver hx8357d_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &hx8357d_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.debugfs_init		= mipi_dbi_debugfs_init,
>  	.name			= "hx8357d",
>  	.desc			= "HX8357D",
> diff --git a/drivers/gpu/drm/tiny/ili9163.c b/drivers/gpu/drm/tiny/ili9163.c
> index fc8ed245b0bc..86439e50e304 100644
> --- a/drivers/gpu/drm/tiny/ili9163.c
> +++ b/drivers/gpu/drm/tiny/ili9163.c
> @@ -11,7 +11,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_mipi_dbi.h>
>  #include <drm/drm_modeset_helper.h>
>  
> @@ -110,12 +110,12 @@ static const struct drm_display_mode yx240qv29_mode = {
>  	DRM_SIMPLE_MODE(128, 160, 28, 35),
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(ili9163_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(ili9163_fops);
>  
>  static struct drm_driver ili9163_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &ili9163_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.debugfs_init		= mipi_dbi_debugfs_init,
>  	.name			= "ili9163",
>  	.desc			= "Ilitek ILI9163",
> diff --git a/drivers/gpu/drm/tiny/ili9225.c b/drivers/gpu/drm/tiny/ili9225.c
> index fc73ffa46a19..a79da2b4af64 100644
> --- a/drivers/gpu/drm/tiny/ili9225.c
> +++ b/drivers/gpu/drm/tiny/ili9225.c
> @@ -24,7 +24,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mipi_dbi.h>
>  #include <drm/drm_rect.h>
> @@ -78,7 +78,7 @@ static inline int ili9225_command(struct mipi_dbi *dbi, u8 cmd, u16 data)
>  
>  static void ili9225_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)
>  {
> -	struct drm_gem_cma_object *cma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> +	struct drm_gem_dma_object *dma_obj = drm_fb_dma_get_gem_obj(fb, 0);
>  	struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(fb->dev);
>  	unsigned int height = rect->y2 - rect->y1;
>  	unsigned int width = rect->x2 - rect->x1;
> @@ -104,7 +104,7 @@ static void ili9225_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)
>  		if (ret)
>  			goto err_msg;
>  	} else {
> -		tr = cma_obj->vaddr;
> +		tr = dma_obj->vaddr;
>  	}
>  
>  	switch (dbidev->rotation) {
> @@ -335,12 +335,12 @@ static const struct drm_display_mode ili9225_mode = {
>  	DRM_SIMPLE_MODE(176, 220, 35, 44),
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(ili9225_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(ili9225_fops);
>  
>  static const struct drm_driver ili9225_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &ili9225_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.name			= "ili9225",
>  	.desc			= "Ilitek ILI9225",
>  	.date			= "20171106",
> diff --git a/drivers/gpu/drm/tiny/ili9341.c b/drivers/gpu/drm/tiny/ili9341.c
> index 5b8cc770ee7b..b8826a0b086b 100644
> --- a/drivers/gpu/drm/tiny/ili9341.c
> +++ b/drivers/gpu/drm/tiny/ili9341.c
> @@ -19,7 +19,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mipi_dbi.h>
>  #include <drm/drm_modeset_helper.h>
> @@ -146,12 +146,12 @@ static const struct drm_display_mode yx240qv29_mode = {
>  	DRM_SIMPLE_MODE(240, 320, 37, 49),
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(ili9341_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(ili9341_fops);
>  
>  static const struct drm_driver ili9341_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &ili9341_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.debugfs_init		= mipi_dbi_debugfs_init,
>  	.name			= "ili9341",
>  	.desc			= "Ilitek ILI9341",
> diff --git a/drivers/gpu/drm/tiny/ili9486.c b/drivers/gpu/drm/tiny/ili9486.c
> index 6d655e18e0aa..a5b433a8e0d8 100644
> --- a/drivers/gpu/drm/tiny/ili9486.c
> +++ b/drivers/gpu/drm/tiny/ili9486.c
> @@ -18,7 +18,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mipi_dbi.h>
>  #include <drm/drm_modeset_helper.h>
> @@ -159,12 +159,12 @@ static const struct drm_display_mode waveshare_mode = {
>  	DRM_SIMPLE_MODE(480, 320, 73, 49),
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(ili9486_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(ili9486_fops);
>  
>  static const struct drm_driver ili9486_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &ili9486_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.debugfs_init		= mipi_dbi_debugfs_init,
>  	.name			= "ili9486",
>  	.desc			= "Ilitek ILI9486",
> diff --git a/drivers/gpu/drm/tiny/mi0283qt.c b/drivers/gpu/drm/tiny/mi0283qt.c
> index 5e060f6910bb..27f1bd4da2f4 100644
> --- a/drivers/gpu/drm/tiny/mi0283qt.c
> +++ b/drivers/gpu/drm/tiny/mi0283qt.c
> @@ -17,7 +17,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mipi_dbi.h>
>  #include <drm/drm_modeset_helper.h>
> @@ -150,12 +150,12 @@ static const struct drm_display_mode mi0283qt_mode = {
>  	DRM_SIMPLE_MODE(320, 240, 58, 43),
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(mi0283qt_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(mi0283qt_fops);
>  
>  static const struct drm_driver mi0283qt_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &mi0283qt_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.debugfs_init		= mipi_dbi_debugfs_init,
>  	.name			= "mi0283qt",
>  	.desc			= "Multi-Inno MI0283QT",
> diff --git a/drivers/gpu/drm/tiny/panel-mipi-dbi.c b/drivers/gpu/drm/tiny/panel-mipi-dbi.c
> index c759ff9c2c87..a76fefa8adbc 100644
> --- a/drivers/gpu/drm/tiny/panel-mipi-dbi.c
> +++ b/drivers/gpu/drm/tiny/panel-mipi-dbi.c
> @@ -18,7 +18,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mipi_dbi.h>
>  #include <drm/drm_modes.h>
> @@ -217,12 +217,12 @@ static const struct drm_simple_display_pipe_funcs panel_mipi_dbi_pipe_funcs = {
>  	.update = mipi_dbi_pipe_update,
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(panel_mipi_dbi_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(panel_mipi_dbi_fops);
>  
>  static const struct drm_driver panel_mipi_dbi_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &panel_mipi_dbi_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.debugfs_init		= mipi_dbi_debugfs_init,
>  	.name			= "panel-mipi-dbi",
>  	.desc			= "MIPI DBI compatible display panel",
> diff --git a/drivers/gpu/drm/tiny/repaper.c b/drivers/gpu/drm/tiny/repaper.c
> index 6d3b5b3cb955..4cd24b54ac74 100644
> --- a/drivers/gpu/drm/tiny/repaper.c
> +++ b/drivers/gpu/drm/tiny/repaper.c
> @@ -30,7 +30,7 @@
>  #include <drm/drm_format_helper.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_modes.h>
> @@ -511,7 +511,7 @@ static void repaper_get_temperature(struct repaper_epd *epd)
>  
>  static int repaper_fb_dirty(struct drm_framebuffer *fb)
>  {
> -	struct drm_gem_cma_object *cma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> +	struct drm_gem_dma_object *dma_obj = drm_fb_dma_get_gem_obj(fb, 0);
>  	struct repaper_epd *epd = drm_to_epd(fb->dev);
>  	struct drm_rect clip;
>  	int idx, ret = 0;
> @@ -541,7 +541,7 @@ static int repaper_fb_dirty(struct drm_framebuffer *fb)
>  	if (ret)
>  		goto out_free;
>  
> -	drm_fb_xrgb8888_to_mono(buf, 0, cma_obj->vaddr, fb, &clip);
> +	drm_fb_xrgb8888_to_mono(buf, 0, dma_obj->vaddr, fb, &clip);
>  
>  	drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
>  
> @@ -903,12 +903,12 @@ static const struct drm_display_mode repaper_e2271cs021_mode = {
>  static const u8 repaper_e2271cs021_cs[] = { 0x00, 0x00, 0x00, 0x7f,
>  					    0xff, 0xfe, 0x00, 0x00 };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(repaper_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(repaper_fops);
>  
>  static const struct drm_driver repaper_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &repaper_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.name			= "repaper",
>  	.desc			= "Pervasive Displays RePaper e-ink panels",
>  	.date			= "20170405",
> diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c
> index b1584b362c79..94f55fac4295 100644
> --- a/drivers/gpu/drm/tiny/st7586.c
> +++ b/drivers/gpu/drm/tiny/st7586.c
> @@ -20,7 +20,7 @@
>  #include <drm/drm_format_helper.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mipi_dbi.h>
> @@ -92,8 +92,8 @@ static void st7586_xrgb8888_to_gray332(u8 *dst, void *vaddr,
>  static int st7586_buf_copy(void *dst, struct drm_framebuffer *fb,
>  			   struct drm_rect *clip)
>  {
> -	struct drm_gem_cma_object *cma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> -	void *src = cma_obj->vaddr;
> +	struct drm_gem_dma_object *dma_obj = drm_fb_dma_get_gem_obj(fb, 0);
> +	void *src = dma_obj->vaddr;
>  	int ret = 0;
>  
>  	ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
> @@ -269,12 +269,12 @@ static const struct drm_display_mode st7586_mode = {
>  	DRM_SIMPLE_MODE(178, 128, 37, 27),
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(st7586_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(st7586_fops);
>  
>  static const struct drm_driver st7586_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &st7586_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.debugfs_init		= mipi_dbi_debugfs_init,
>  	.name			= "st7586",
>  	.desc			= "Sitronix ST7586",
> diff --git a/drivers/gpu/drm/tiny/st7735r.c b/drivers/gpu/drm/tiny/st7735r.c
> index e0f02d367d88..d2042a0f02dd 100644
> --- a/drivers/gpu/drm/tiny/st7735r.c
> +++ b/drivers/gpu/drm/tiny/st7735r.c
> @@ -20,7 +20,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mipi_dbi.h>
>  
> @@ -151,12 +151,12 @@ static const struct st7735r_cfg rh128128t_cfg = {
>  	.rgb		= true,
>  };
>  
> -DEFINE_DRM_GEM_CMA_FOPS(st7735r_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(st7735r_fops);
>  
>  static const struct drm_driver st7735r_driver = {
>  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
>  	.fops			= &st7735r_fops,
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP,
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP,
>  	.debugfs_init		= mipi_dbi_debugfs_init,
>  	.name			= "st7735r",
>  	.desc			= "Sitronix ST7735R",
> diff --git a/drivers/gpu/drm/tve200/Kconfig b/drivers/gpu/drm/tve200/Kconfig
> index 47a7dbe6c114..11e865be81c6 100644
> --- a/drivers/gpu/drm/tve200/Kconfig
> +++ b/drivers/gpu/drm/tve200/Kconfig
> @@ -8,7 +8,7 @@ config DRM_TVE200
>  	select DRM_BRIDGE
>  	select DRM_PANEL_BRIDGE
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select VT_HW_CONSOLE_BINDING if FRAMEBUFFER_CONSOLE
>  	help
>  	  Choose this option for DRM support for the Faraday TV Encoder
> diff --git a/drivers/gpu/drm/tve200/tve200_display.c b/drivers/gpu/drm/tve200/tve200_display.c
> index 6647aab8a25e..37bdd976ae59 100644
> --- a/drivers/gpu/drm/tve200/tve200_display.c
> +++ b/drivers/gpu/drm/tve200/tve200_display.c
> @@ -19,7 +19,7 @@
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_atomic_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_panel.h>
>  #include <drm/drm_vblank.h>
>  
> diff --git a/drivers/gpu/drm/tve200/tve200_drv.c b/drivers/gpu/drm/tve200/tve200_drv.c
> index 86ebfe626cd0..79d790ae1670 100644
> --- a/drivers/gpu/drm/tve200/tve200_drv.c
> +++ b/drivers/gpu/drm/tve200/tve200_drv.c
> @@ -40,7 +40,7 @@
>  #include <drm/drm_bridge.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_module.h>
>  #include <drm/drm_of.h>
> @@ -134,7 +134,7 @@ static int tve200_modeset_init(struct drm_device *dev)
>  	return ret;
>  }
>  
> -DEFINE_DRM_GEM_CMA_FOPS(drm_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(drm_fops);
>  
>  static const struct drm_driver tve200_drm_driver = {
>  	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
> @@ -146,7 +146,7 @@ static const struct drm_driver tve200_drm_driver = {
>  	.major = 1,
>  	.minor = 0,
>  	.patchlevel = 0,
> -	DRM_GEM_CMA_DRIVER_OPS,
> +	DRM_GEM_DMA_DRIVER_OPS,
>  };
>  
>  static int tve200_probe(struct platform_device *pdev)
> diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
> index 725a252e837b..b8980440d137 100644
> --- a/drivers/gpu/drm/v3d/v3d_gem.c
> +++ b/drivers/gpu/drm/v3d/v3d_gem.c
> @@ -313,7 +313,7 @@ v3d_lookup_bos(struct drm_device *dev,
>  	}
>  
>  	job->bo = kvmalloc_array(job->bo_count,
> -				 sizeof(struct drm_gem_cma_object *),
> +				 sizeof(struct drm_gem_dma_object *),
>  				 GFP_KERNEL | __GFP_ZERO);
>  	if (!job->bo) {
>  		DRM_DEBUG("Failed to allocate validated BO pointers\n");
> @@ -1092,7 +1092,7 @@ v3d_gem_init(struct drm_device *dev)
>  	if (!v3d->pt) {
>  		drm_mm_takedown(&v3d->mm);
>  		dev_err(v3d->drm.dev,
> -			"Failed to allocate page tables. Please ensure you have CMA enabled.\n");
> +			"Failed to allocate page tables. Please ensure you have DMA enabled.\n");
>  		return -ENOMEM;
>  	}
>  
> diff --git a/drivers/gpu/drm/vc4/Kconfig b/drivers/gpu/drm/vc4/Kconfig
> index b0f3117102ca..246305d17a52 100644
> --- a/drivers/gpu/drm/vc4/Kconfig
> +++ b/drivers/gpu/drm/vc4/Kconfig
> @@ -12,7 +12,7 @@ config DRM_VC4
>  	select DRM_DISPLAY_HDMI_HELPER
>  	select DRM_DISPLAY_HELPER
>  	select DRM_KMS_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_PANEL_BRIDGE
>  	select SND_PCM
>  	select SND_PCM_ELD
> diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c
> index 2ccf96b764db..07f57910c9e8 100644
> --- a/drivers/gpu/drm/vc4/vc4_bo.c
> +++ b/drivers/gpu/drm/vc4/vc4_bo.c
> @@ -8,10 +8,10 @@
>   *
>   * The VC4 GPU architecture (both scanout and rendering) has direct
>   * access to system memory with no MMU in between.  To support it, we
> - * use the GEM CMA helper functions to allocate contiguous ranges of
> + * use the GEM DMA helper functions to allocate contiguous ranges of
>   * physical memory for our BOs.
>   *
> - * Since the CMA allocator is very slow, we keep a cache of recently
> + * Since the DMA allocator is very slow, we keep a cache of recently
>   * freed BOs around so that the kernel's allocation of objects for 3D
>   * rendering can return quickly.
>   */
> @@ -179,7 +179,7 @@ static void vc4_bo_destroy(struct vc4_bo *bo)
>  		bo->validated_shader = NULL;
>  	}
>  
> -	drm_gem_cma_free(&bo->base);
> +	drm_gem_dma_free(&bo->base);
>  }
>  
>  static void vc4_bo_remove_from_cache(struct vc4_bo *bo)
> @@ -387,7 +387,7 @@ static struct vc4_bo *vc4_bo_get_from_cache(struct drm_device *dev,
>   * @dev: DRM device
>   * @size: Size in bytes of the memory the object will reference
>   *
> - * This lets the CMA helpers allocate object structs for us, and keep
> + * This lets the DMA helpers allocate object structs for us, and keep
>   * our BO stats correct.
>   */
>  struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size)
> @@ -426,7 +426,7 @@ struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t unaligned_size,
>  {
>  	size_t size = roundup(unaligned_size, PAGE_SIZE);
>  	struct vc4_dev *vc4 = to_vc4_dev(dev);
> -	struct drm_gem_cma_object *cma_obj;
> +	struct drm_gem_dma_object *dma_obj;
>  	struct vc4_bo *bo;
>  
>  	if (WARN_ON_ONCE(vc4->is_vc5))
> @@ -443,39 +443,39 @@ struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t unaligned_size,
>  		return bo;
>  	}
>  
> -	cma_obj = drm_gem_cma_create(dev, size);
> -	if (IS_ERR(cma_obj)) {
> +	dma_obj = drm_gem_dma_create(dev, size);
> +	if (IS_ERR(dma_obj)) {
>  		/*
> -		 * If we've run out of CMA memory, kill the cache of
> -		 * CMA allocations we've got laying around and try again.
> +		 * If we've run out of DMA memory, kill the cache of
> +		 * DMA allocations we've got laying around and try again.
>  		 */
>  		vc4_bo_cache_purge(dev);
> -		cma_obj = drm_gem_cma_create(dev, size);
> +		dma_obj = drm_gem_dma_create(dev, size);
>  	}
>  
> -	if (IS_ERR(cma_obj)) {
> +	if (IS_ERR(dma_obj)) {
>  		/*
> -		 * Still not enough CMA memory, purge the userspace BO
> +		 * Still not enough DMA memory, purge the userspace BO
>  		 * cache and retry.
>  		 * This is sub-optimal since we purge the whole userspace
>  		 * BO cache which forces user that want to re-use the BO to
>  		 * restore its initial content.
>  		 * Ideally, we should purge entries one by one and retry
> -		 * after each to see if CMA allocation succeeds. Or even
> +		 * after each to see if DMA allocation succeeds. Or even
>  		 * better, try to find an entry with at least the same
>  		 * size.
>  		 */
>  		vc4_bo_userspace_cache_purge(dev);
> -		cma_obj = drm_gem_cma_create(dev, size);
> +		dma_obj = drm_gem_dma_create(dev, size);
>  	}
>  
> -	if (IS_ERR(cma_obj)) {
> +	if (IS_ERR(dma_obj)) {
>  		struct drm_printer p = drm_info_printer(vc4->base.dev);
> -		DRM_ERROR("Failed to allocate from CMA:\n");
> +		DRM_ERROR("Failed to allocate from GEM DMA helper:\n");
>  		vc4_bo_stats_print(&p, vc4);
>  		return ERR_PTR(-ENOMEM);
>  	}
> -	bo = to_vc4_bo(&cma_obj->base);
> +	bo = to_vc4_bo(&dma_obj->base);
>  
>  	/* By default, BOs do not support the MADV ioctl. This will be enabled
>  	 * only on BOs that are exposed to userspace (V3D, V3D_SHADER and DUMB
> @@ -484,7 +484,7 @@ struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t unaligned_size,
>  	bo->madv = __VC4_MADV_NOTSUPP;
>  
>  	mutex_lock(&vc4->bo_lock);
> -	vc4_bo_set_label(&cma_obj->base, type);
> +	vc4_bo_set_label(&dma_obj->base, type);
>  	mutex_unlock(&vc4->bo_lock);
>  
>  	return bo;
> @@ -569,7 +569,7 @@ static void vc4_free_object(struct drm_gem_object *gem_bo)
>  		goto out;
>  	}
>  
> -	/* If this object was partially constructed but CMA allocation
> +	/* If this object was partially constructed but DMA allocation
>  	 * had failed, just free it. Can also happen when the BO has been
>  	 * purged.
>  	 */
> @@ -747,7 +747,7 @@ static int vc4_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct
>  		return -EINVAL;
>  	}
>  
> -	return drm_gem_cma_mmap(&bo->base, vma);
> +	return drm_gem_dma_mmap(&bo->base, vma);
>  }
>  
>  static const struct vm_operations_struct vc4_vm_ops = {
> @@ -759,8 +759,8 @@ static const struct vm_operations_struct vc4_vm_ops = {
>  static const struct drm_gem_object_funcs vc4_gem_object_funcs = {
>  	.free = vc4_free_object,
>  	.export = vc4_prime_export,
> -	.get_sg_table = drm_gem_cma_object_get_sg_table,
> -	.vmap = drm_gem_cma_object_vmap,
> +	.get_sg_table = drm_gem_dma_object_get_sg_table,
> +	.vmap = drm_gem_dma_object_vmap,
>  	.mmap = vc4_gem_object_mmap,
>  	.vm_ops = &vc4_vm_ops,
>  };
> diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
> index f85788401707..2def6e2ad6f0 100644
> --- a/drivers/gpu/drm/vc4/vc4_crtc.c
> +++ b/drivers/gpu/drm/vc4/vc4_crtc.c
> @@ -823,9 +823,9 @@ static void vc4_async_page_flip_seqno_complete(struct vc4_seqno_cb *cb)
>  	struct vc4_bo *bo = NULL;
>  
>  	if (flip_state->old_fb) {
> -		struct drm_gem_cma_object *cma_bo =
> +		struct drm_gem_dma_object *dma_bo =
>  			drm_fb_dma_get_gem_obj(flip_state->old_fb, 0);
> -		bo = to_vc4_bo(&cma_bo->base);
> +		bo = to_vc4_bo(&dma_bo->base);
>  	}
>  
>  	vc4_async_page_flip_complete(flip_state);
> @@ -857,19 +857,19 @@ static int vc4_async_set_fence_cb(struct drm_device *dev,
>  				  struct vc4_async_flip_state *flip_state)
>  {
>  	struct drm_framebuffer *fb = flip_state->fb;
> -	struct drm_gem_cma_object *cma_bo = drm_fb_dma_get_gem_obj(fb, 0);
> +	struct drm_gem_dma_object *dma_bo = drm_fb_dma_get_gem_obj(fb, 0);
>  	struct vc4_dev *vc4 = to_vc4_dev(dev);
>  	struct dma_fence *fence;
>  	int ret;
>  
>  	if (!vc4->is_vc5) {
> -		struct vc4_bo *bo = to_vc4_bo(&cma_bo->base);
> +		struct vc4_bo *bo = to_vc4_bo(&dma_bo->base);
>  
>  		return vc4_queue_seqno_cb(dev, &flip_state->cb.seqno, bo->seqno,
>  					  vc4_async_page_flip_seqno_complete);
>  	}
>  
> -	ret = dma_resv_get_singleton(cma_bo->base.resv, DMA_RESV_USAGE_READ, &fence);
> +	ret = dma_resv_get_singleton(dma_bo->base.resv, DMA_RESV_USAGE_READ, &fence);
>  	if (ret)
>  		return ret;
>  
> @@ -945,8 +945,8 @@ static int vc4_async_page_flip(struct drm_crtc *crtc,
>  {
>  	struct drm_device *dev = crtc->dev;
>  	struct vc4_dev *vc4 = to_vc4_dev(dev);
> -	struct drm_gem_cma_object *cma_bo = drm_fb_dma_get_gem_obj(fb, 0);
> -	struct vc4_bo *bo = to_vc4_bo(&cma_bo->base);
> +	struct drm_gem_dma_object *dma_bo = drm_fb_dma_get_gem_obj(fb, 0);
> +	struct vc4_bo *bo = to_vc4_bo(&dma_bo->base);
>  	int ret;
>  
>  	if (WARN_ON_ONCE(vc4->is_vc5))
> diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
> index d33baf2667dd..ffbbb454c9e8 100644
> --- a/drivers/gpu/drm/vc4/vc4_drv.c
> +++ b/drivers/gpu/drm/vc4/vc4_drv.c
> @@ -85,7 +85,7 @@ static int vc5_dumb_create(struct drm_file *file_priv,
>  	if (ret)
>  		return ret;
>  
> -	return drm_gem_cma_dumb_create_internal(file_priv, dev, args);
> +	return drm_gem_dma_dumb_create_internal(file_priv, dev, args);
>  }
>  
>  static int vc4_get_param_ioctl(struct drm_device *dev, void *data,
> @@ -211,7 +211,7 @@ static const struct drm_driver vc4_drm_driver = {
>  
>  	.gem_create_object = vc4_create_object,
>  
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(vc4_bo_dumb_create),
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(vc4_bo_dumb_create),
>  
>  	.ioctls = vc4_drm_ioctls,
>  	.num_ioctls = ARRAY_SIZE(vc4_drm_ioctls),
> @@ -234,7 +234,7 @@ static const struct drm_driver vc5_drm_driver = {
>  	.debugfs_init = vc4_debugfs_init,
>  #endif
>  
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(vc5_dumb_create),
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(vc5_dumb_create),
>  
>  	.fops = &vc4_drm_fops,
>  
> diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
> index 1649350b9efd..418a8242691f 100644
> --- a/drivers/gpu/drm/vc4/vc4_drv.h
> +++ b/drivers/gpu/drm/vc4/vc4_drv.h
> @@ -14,7 +14,7 @@
>  #include <drm/drm_debugfs.h>
>  #include <drm/drm_device.h>
>  #include <drm/drm_encoder.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mm.h>
>  #include <drm/drm_modeset_lock.h>
> @@ -239,7 +239,7 @@ to_vc4_dev(struct drm_device *dev)
>  }
>  
>  struct vc4_bo {
> -	struct drm_gem_cma_object base;
> +	struct drm_gem_dma_object base;
>  
>  	/* seqno of the last job to render using this BO. */
>  	uint64_t seqno;
> @@ -288,7 +288,7 @@ struct vc4_bo {
>  static inline struct vc4_bo *
>  to_vc4_bo(struct drm_gem_object *bo)
>  {
> -	return container_of(to_drm_gem_cma_obj(bo), struct vc4_bo, base);
> +	return container_of(to_drm_gem_dma_obj(bo), struct vc4_bo, base);
>  }
>  
>  struct vc4_fence {
> @@ -602,14 +602,14 @@ struct vc4_exec_info {
>  	/* This is the array of BOs that were looked up at the start of exec.
>  	 * Command validation will use indices into this array.
>  	 */
> -	struct drm_gem_cma_object **bo;
> +	struct drm_gem_dma_object **bo;
>  	uint32_t bo_count;
>  
>  	/* List of BOs that are being written by the RCL.  Other than
>  	 * the binner temporary storage, this is all the BOs written
>  	 * by the job.
>  	 */
> -	struct drm_gem_cma_object *rcl_write_bo[4];
> +	struct drm_gem_dma_object *rcl_write_bo[4];
>  	uint32_t rcl_write_bo_count;
>  
>  	/* Pointers for our position in vc4->job_list */
> @@ -628,7 +628,7 @@ struct vc4_exec_info {
>  	/* This is the BO where we store the validated command lists, shader
>  	 * records, and uniforms.
>  	 */
> -	struct drm_gem_cma_object *exec_bo;
> +	struct drm_gem_dma_object *exec_bo;
>  
>  	/**
>  	 * This tracks the per-shader-record state (packet 64) that
> @@ -989,19 +989,19 @@ vc4_validate_bin_cl(struct drm_device *dev,
>  int
>  vc4_validate_shader_recs(struct drm_device *dev, struct vc4_exec_info *exec);
>  
> -struct drm_gem_cma_object *vc4_use_bo(struct vc4_exec_info *exec,
> +struct drm_gem_dma_object *vc4_use_bo(struct vc4_exec_info *exec,
>  				      uint32_t hindex);
>  
>  int vc4_get_rcl(struct drm_device *dev, struct vc4_exec_info *exec);
>  
>  bool vc4_check_tex_size(struct vc4_exec_info *exec,
> -			struct drm_gem_cma_object *fbo,
> +			struct drm_gem_dma_object *fbo,
>  			uint32_t offset, uint8_t tiling_format,
>  			uint32_t width, uint32_t height, uint8_t cpp);
>  
>  /* vc4_validate_shader.c */
>  struct vc4_validated_shader_info *
> -vc4_validate_shader(struct drm_gem_cma_object *shader_obj);
> +vc4_validate_shader(struct drm_gem_dma_object *shader_obj);
>  
>  /* vc4_perfmon.c */
>  void vc4_perfmon_get(struct vc4_perfmon *perfmon);
> diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c
> index 7acb43972e69..56a0af281b92 100644
> --- a/drivers/gpu/drm/vc4/vc4_gem.c
> +++ b/drivers/gpu/drm/vc4/vc4_gem.c
> @@ -764,7 +764,7 @@ vc4_cl_lookup_bos(struct drm_device *dev,
>  	}
>  
>  	exec->bo = kvmalloc_array(exec->bo_count,
> -				    sizeof(struct drm_gem_cma_object *),
> +				    sizeof(struct drm_gem_dma_object *),
>  				    GFP_KERNEL | __GFP_ZERO);
>  	if (!exec->bo) {
>  		DRM_ERROR("Failed to allocate validated BO pointers\n");
> @@ -797,7 +797,7 @@ vc4_cl_lookup_bos(struct drm_device *dev,
>  		}
>  
>  		drm_gem_object_get(bo);
> -		exec->bo[i] = (struct drm_gem_cma_object *)bo;
> +		exec->bo[i] = (struct drm_gem_dma_object *)bo;
>  	}
>  	spin_unlock(&file_priv->table_lock);
>  
> diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
> index 51e0e8aa2135..b76b0e602c81 100644
> --- a/drivers/gpu/drm/vc4/vc4_plane.c
> +++ b/drivers/gpu/drm/vc4/vc4_plane.c
> @@ -339,7 +339,7 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
>  {
>  	struct vc4_plane_state *vc4_state = to_vc4_plane_state(state);
>  	struct drm_framebuffer *fb = state->fb;
> -	struct drm_gem_cma_object *bo = drm_fb_dma_get_gem_obj(fb, 0);
> +	struct drm_gem_dma_object *bo = drm_fb_dma_get_gem_obj(fb, 0);
>  	int num_planes = fb->format->num_planes;
>  	struct drm_crtc_state *crtc_state;
>  	u32 h_subsample = fb->format->hsub;
> @@ -1243,7 +1243,7 @@ u32 vc4_plane_dlist_size(const struct drm_plane_state *state)
>  void vc4_plane_async_set_fb(struct drm_plane *plane, struct drm_framebuffer *fb)
>  {
>  	struct vc4_plane_state *vc4_state = to_vc4_plane_state(plane->state);
> -	struct drm_gem_cma_object *bo = drm_fb_dma_get_gem_obj(fb, 0);
> +	struct drm_gem_dma_object *bo = drm_fb_dma_get_gem_obj(fb, 0);
>  	uint32_t addr;
>  
>  	/* We're skipping the address adjustment for negative origin,
> diff --git a/drivers/gpu/drm/vc4/vc4_render_cl.c b/drivers/gpu/drm/vc4/vc4_render_cl.c
> index f6b7dc3df08c..c8a92023238c 100644
> --- a/drivers/gpu/drm/vc4/vc4_render_cl.c
> +++ b/drivers/gpu/drm/vc4/vc4_render_cl.c
> @@ -40,14 +40,14 @@
>  #include "vc4_packet.h"
>  
>  struct vc4_rcl_setup {
> -	struct drm_gem_cma_object *color_read;
> -	struct drm_gem_cma_object *color_write;
> -	struct drm_gem_cma_object *zs_read;
> -	struct drm_gem_cma_object *zs_write;
> -	struct drm_gem_cma_object *msaa_color_write;
> -	struct drm_gem_cma_object *msaa_zs_write;
> -
> -	struct drm_gem_cma_object *rcl;
> +	struct drm_gem_dma_object *color_read;
> +	struct drm_gem_dma_object *color_write;
> +	struct drm_gem_dma_object *zs_read;
> +	struct drm_gem_dma_object *zs_write;
> +	struct drm_gem_dma_object *msaa_color_write;
> +	struct drm_gem_dma_object *msaa_zs_write;
> +
> +	struct drm_gem_dma_object *rcl;
>  	u32 next_offset;
>  
>  	u32 next_write_bo_index;
> @@ -97,7 +97,7 @@ static void vc4_store_before_load(struct vc4_rcl_setup *setup)
>   * coordinates packet, and instead just store to the address given.
>   */
>  static uint32_t vc4_full_res_offset(struct vc4_exec_info *exec,
> -				    struct drm_gem_cma_object *bo,
> +				    struct drm_gem_dma_object *bo,
>  				    struct drm_vc4_submit_rcl_surface *surf,
>  				    uint8_t x, uint8_t y)
>  {
> @@ -381,7 +381,7 @@ static int vc4_create_rcl_bo(struct drm_device *dev, struct vc4_exec_info *exec,
>  }
>  
>  static int vc4_full_res_bounds_check(struct vc4_exec_info *exec,
> -				     struct drm_gem_cma_object *obj,
> +				     struct drm_gem_dma_object *obj,
>  				     struct drm_vc4_submit_rcl_surface *surf)
>  {
>  	struct drm_vc4_submit_cl *args = exec->args;
> @@ -407,7 +407,7 @@ static int vc4_full_res_bounds_check(struct vc4_exec_info *exec,
>  }
>  
>  static int vc4_rcl_msaa_surface_setup(struct vc4_exec_info *exec,
> -				      struct drm_gem_cma_object **obj,
> +				      struct drm_gem_dma_object **obj,
>  				      struct drm_vc4_submit_rcl_surface *surf)
>  {
>  	if (surf->flags != 0 || surf->bits != 0) {
> @@ -433,7 +433,7 @@ static int vc4_rcl_msaa_surface_setup(struct vc4_exec_info *exec,
>  }
>  
>  static int vc4_rcl_surface_setup(struct vc4_exec_info *exec,
> -				 struct drm_gem_cma_object **obj,
> +				 struct drm_gem_dma_object **obj,
>  				 struct drm_vc4_submit_rcl_surface *surf,
>  				 bool is_write)
>  {
> @@ -533,7 +533,7 @@ static int vc4_rcl_surface_setup(struct vc4_exec_info *exec,
>  static int
>  vc4_rcl_render_config_surface_setup(struct vc4_exec_info *exec,
>  				    struct vc4_rcl_setup *setup,
> -				    struct drm_gem_cma_object **obj,
> +				    struct drm_gem_dma_object **obj,
>  				    struct drm_vc4_submit_rcl_surface *surf)
>  {
>  	uint8_t tiling = VC4_GET_FIELD(surf->bits,
> diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c
> index af48ae68f213..811bc7d9b90c 100644
> --- a/drivers/gpu/drm/vc4/vc4_txp.c
> +++ b/drivers/gpu/drm/vc4/vc4_txp.c
> @@ -280,7 +280,7 @@ static void vc4_txp_connector_atomic_commit(struct drm_connector *conn,
>  	struct drm_connector_state *conn_state = drm_atomic_get_new_connector_state(state,
>  										    conn);
>  	struct vc4_txp *txp = connector_to_vc4_txp(conn);
> -	struct drm_gem_cma_object *gem;
> +	struct drm_gem_dma_object *gem;
>  	struct drm_display_mode *mode;
>  	struct drm_framebuffer *fb;
>  	u32 ctrl;
> diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c
> index 40f04157ea39..6222c884dcbb 100644
> --- a/drivers/gpu/drm/vc4/vc4_v3d.c
> +++ b/drivers/gpu/drm/vc4/vc4_v3d.c
> @@ -231,7 +231,7 @@ int vc4_v3d_get_bin_slot(struct vc4_dev *vc4)
>   * if it doesn't fit within the buffer that we allocated up front.
>   * However, it turns out that 16MB is "enough for anybody", and
>   * real-world applications run into allocation failures from the
> - * overall CMA pool before they make scenes complicated enough to run
> + * overall DMA pool before they make scenes complicated enough to run
>   * out of bin space.
>   */
>  static int bin_bo_alloc(struct vc4_dev *vc4)
> @@ -261,7 +261,7 @@ static int bin_bo_alloc(struct vc4_dev *vc4)
>  
>  			dev_err(&v3d->pdev->dev,
>  				"Failed to allocate memory for tile binning: "
> -				"%d. You may need to enable CMA or give it "
> +				"%d. You may need to enable DMA or give it "
>  				"more memory.",
>  				ret);
>  			break;
> diff --git a/drivers/gpu/drm/vc4/vc4_validate.c b/drivers/gpu/drm/vc4/vc4_validate.c
> index 2feba55bcef7..d5dc6b51ec69 100644
> --- a/drivers/gpu/drm/vc4/vc4_validate.c
> +++ b/drivers/gpu/drm/vc4/vc4_validate.c
> @@ -102,11 +102,11 @@ size_is_lt(uint32_t width, uint32_t height, int cpp)
>  		height <= 4 * utile_height(cpp));
>  }
>  
> -struct drm_gem_cma_object *
> +struct drm_gem_dma_object *
>  vc4_use_bo(struct vc4_exec_info *exec, uint32_t hindex)
>  {
>  	struct vc4_dev *vc4 = exec->dev;
> -	struct drm_gem_cma_object *obj;
> +	struct drm_gem_dma_object *obj;
>  	struct vc4_bo *bo;
>  
>  	if (WARN_ON_ONCE(vc4->is_vc5))
> @@ -129,7 +129,7 @@ vc4_use_bo(struct vc4_exec_info *exec, uint32_t hindex)
>  	return obj;
>  }
>  
> -static struct drm_gem_cma_object *
> +static struct drm_gem_dma_object *
>  vc4_use_handle(struct vc4_exec_info *exec, uint32_t gem_handles_packet_index)
>  {
>  	return vc4_use_bo(exec, exec->bo_index[gem_handles_packet_index]);
> @@ -160,7 +160,7 @@ gl_shader_rec_size(uint32_t pointer_bits)
>  }
>  
>  bool
> -vc4_check_tex_size(struct vc4_exec_info *exec, struct drm_gem_cma_object *fbo,
> +vc4_check_tex_size(struct vc4_exec_info *exec, struct drm_gem_dma_object *fbo,
>  		   uint32_t offset, uint8_t tiling_format,
>  		   uint32_t width, uint32_t height, uint8_t cpp)
>  {
> @@ -263,7 +263,7 @@ validate_increment_semaphore(VALIDATE_ARGS)
>  static int
>  validate_indexed_prim_list(VALIDATE_ARGS)
>  {
> -	struct drm_gem_cma_object *ib;
> +	struct drm_gem_dma_object *ib;
>  	uint32_t length = *(uint32_t *)(untrusted + 1);
>  	uint32_t offset = *(uint32_t *)(untrusted + 5);
>  	uint32_t max_index = *(uint32_t *)(untrusted + 9);
> @@ -575,7 +575,7 @@ reloc_tex(struct vc4_exec_info *exec,
>  	  struct vc4_texture_sample_info *sample,
>  	  uint32_t texture_handle_index, bool is_cs)
>  {
> -	struct drm_gem_cma_object *tex;
> +	struct drm_gem_dma_object *tex;
>  	uint32_t p0 = *(uint32_t *)(uniform_data_u + sample->p_offset[0]);
>  	uint32_t p1 = *(uint32_t *)(uniform_data_u + sample->p_offset[1]);
>  	uint32_t p2 = (sample->p_offset[2] != ~0 ?
> @@ -765,7 +765,7 @@ validate_gl_shader_rec(struct drm_device *dev,
>  		28, /* cs */
>  	};
>  	uint32_t shader_reloc_count = ARRAY_SIZE(shader_reloc_offsets);
> -	struct drm_gem_cma_object *bo[ARRAY_SIZE(shader_reloc_offsets) + 8];
> +	struct drm_gem_dma_object *bo[ARRAY_SIZE(shader_reloc_offsets) + 8];
>  	uint32_t nr_attributes, nr_relocs, packet_size;
>  	int i;
>  
> @@ -896,7 +896,7 @@ validate_gl_shader_rec(struct drm_device *dev,
>  	}
>  
>  	for (i = 0; i < nr_attributes; i++) {
> -		struct drm_gem_cma_object *vbo =
> +		struct drm_gem_dma_object *vbo =
>  			bo[ARRAY_SIZE(shader_reloc_offsets) + i];
>  		uint32_t o = 36 + i * 8;
>  		uint32_t offset = *(uint32_t *)(pkt_u + o + 0);
> diff --git a/drivers/gpu/drm/vc4/vc4_validate_shaders.c b/drivers/gpu/drm/vc4/vc4_validate_shaders.c
> index e315aeb5fef5..9745f8810eca 100644
> --- a/drivers/gpu/drm/vc4/vc4_validate_shaders.c
> +++ b/drivers/gpu/drm/vc4/vc4_validate_shaders.c
> @@ -776,7 +776,7 @@ vc4_handle_branch_target(struct vc4_shader_validation_state *validation_state)
>  }
>  
>  struct vc4_validated_shader_info *
> -vc4_validate_shader(struct drm_gem_cma_object *shader_obj)
> +vc4_validate_shader(struct drm_gem_dma_object *shader_obj)
>  {
>  	struct vc4_dev *vc4 = to_vc4_dev(shader_obj->base.dev);
>  	bool found_shader_end = false;
> diff --git a/drivers/gpu/drm/xlnx/Kconfig b/drivers/gpu/drm/xlnx/Kconfig
> index f9cf93c9e7e3..68ee897de9d7 100644
> --- a/drivers/gpu/drm/xlnx/Kconfig
> +++ b/drivers/gpu/drm/xlnx/Kconfig
> @@ -8,7 +8,7 @@ config DRM_ZYNQMP_DPSUB
>  	select DMA_ENGINE
>  	select DRM_DISPLAY_DP_HELPER
>  	select DRM_DISPLAY_HELPER
> -	select DRM_GEM_CMA_HELPER
> +	select DRM_GEM_DMA_HELPER
>  	select DRM_KMS_HELPER
>  	select GENERIC_PHY
>  	help
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> index 824b510e337b..1de2d927c32b 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> @@ -21,7 +21,7 @@
>  #include <drm/drm_drv.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
> -#include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_dma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mode_config.h>
> @@ -47,7 +47,7 @@ static int zynqmp_dpsub_dumb_create(struct drm_file *file_priv,
>  	/* Enforce the alignment constraints of the DMA engine. */
>  	args->pitch = ALIGN(pitch, dpsub->dma_align);
>  
> -	return drm_gem_cma_dumb_create_internal(file_priv, drm, args);
> +	return drm_gem_dma_dumb_create_internal(file_priv, drm, args);
>  }
>  
>  static struct drm_framebuffer *
> @@ -75,13 +75,13 @@ static const struct drm_mode_config_funcs zynqmp_dpsub_mode_config_funcs = {
>   * DRM/KMS Driver
>   */
>  
> -DEFINE_DRM_GEM_CMA_FOPS(zynqmp_dpsub_drm_fops);
> +DEFINE_DRM_GEM_DMA_FOPS(zynqmp_dpsub_drm_fops);
>  
>  static const struct drm_driver zynqmp_dpsub_drm_driver = {
>  	.driver_features		= DRIVER_MODESET | DRIVER_GEM |
>  					  DRIVER_ATOMIC,
>  
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(zynqmp_dpsub_dumb_create),
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(zynqmp_dpsub_dumb_create),
>  
>  	.fops				= &zynqmp_dpsub_drm_fops,
>  
> diff --git a/include/drm/drm_fb_dma_helper.h b/include/drm/drm_fb_dma_helper.h
> index 05f657363b30..d5e036c57801 100644
> --- a/include/drm/drm_fb_dma_helper.h
> +++ b/include/drm/drm_fb_dma_helper.h
> @@ -8,7 +8,7 @@ struct drm_device;
>  struct drm_framebuffer;
>  struct drm_plane_state;
>  
> -struct drm_gem_cma_object *drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb,
> +struct drm_gem_dma_object *drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb,
>  	unsigned int plane);
>  
>  dma_addr_t drm_fb_dma_get_gem_addr(struct drm_framebuffer *fb,
> diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
> index 87cffc9efa85..58a18a17c67e 100644
> --- a/include/drm/drm_gem.h
> +++ b/include/drm/drm_gem.h
> @@ -217,7 +217,7 @@ struct drm_gem_object {
>  	 *
>  	 * SHMEM file node used as backing storage for swappable buffer objects.
>  	 * GEM also supports driver private objects with driver-specific backing
> -	 * storage (contiguous CMA memory, special reserved blocks). In this
> +	 * storage (contiguous DMA memory, special reserved blocks). In this
>  	 * case @filp is NULL.
>  	 */
>  	struct file *filp;
> diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_dma_helper.h
> similarity index 53%
> rename from include/drm/drm_gem_cma_helper.h
> rename to include/drm/drm_gem_dma_helper.h
> index fbda4ce5d5fb..82805069b37a 100644
> --- a/include/drm/drm_gem_cma_helper.h
> +++ b/include/drm/drm_gem_dma_helper.h
> @@ -1,6 +1,6 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
> -#ifndef __DRM_GEM_CMA_HELPER_H__
> -#define __DRM_GEM_CMA_HELPER_H__
> +#ifndef __DRM_GEM_DMA_HELPER_H__
> +#define __DRM_GEM_DMA_HELPER_H__
>  
>  #include <drm/drm_file.h>
>  #include <drm/drm_ioctl.h>
> @@ -9,128 +9,128 @@
>  struct drm_mode_create_dumb;
>  
>  /**
> - * struct drm_gem_cma_object - GEM object backed by CMA memory allocations
> + * struct drm_gem_dma_object - GEM object backed by DMA memory allocations
>   * @base: base GEM object
> - * @paddr: physical address of the backing memory
> + * @paddr: DMA address of the backing memory
>   * @sgt: scatter/gather table for imported PRIME buffers. The table can have
>   *       more than one entry but they are guaranteed to have contiguous
>   *       DMA addresses.
>   * @vaddr: kernel virtual address of the backing memory
>   * @map_noncoherent: if true, the GEM object is backed by non-coherent memory
>   */
> -struct drm_gem_cma_object {
> +struct drm_gem_dma_object {
>  	struct drm_gem_object base;
>  	dma_addr_t paddr;
>  	struct sg_table *sgt;
>  
> -	/* For objects with DMA memory allocated by GEM CMA */
> +	/* For objects with DMA memory allocated by GEM DMA */
>  	void *vaddr;
>  
>  	bool map_noncoherent;
>  };
>  
> -#define to_drm_gem_cma_obj(gem_obj) \
> -	container_of(gem_obj, struct drm_gem_cma_object, base)
> +#define to_drm_gem_dma_obj(gem_obj) \
> +	container_of(gem_obj, struct drm_gem_dma_object, base)
>  
> -struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
> +struct drm_gem_dma_object *drm_gem_dma_create(struct drm_device *drm,
>  					      size_t size);
> -void drm_gem_cma_free(struct drm_gem_cma_object *cma_obj);
> -void drm_gem_cma_print_info(const struct drm_gem_cma_object *cma_obj,
> +void drm_gem_dma_free(struct drm_gem_dma_object *dma_obj);
> +void drm_gem_dma_print_info(const struct drm_gem_dma_object *dma_obj,
>  			    struct drm_printer *p, unsigned int indent);
> -struct sg_table *drm_gem_cma_get_sg_table(struct drm_gem_cma_object *cma_obj);
> -int drm_gem_cma_vmap(struct drm_gem_cma_object *cma_obj,
> +struct sg_table *drm_gem_dma_get_sg_table(struct drm_gem_dma_object *dma_obj);
> +int drm_gem_dma_vmap(struct drm_gem_dma_object *dma_obj,
>  		     struct iosys_map *map);
> -int drm_gem_cma_mmap(struct drm_gem_cma_object *cma_obj, struct vm_area_struct *vma);
> +int drm_gem_dma_mmap(struct drm_gem_dma_object *dma_obj, struct vm_area_struct *vma);
>  
> -extern const struct vm_operations_struct drm_gem_cma_vm_ops;
> +extern const struct vm_operations_struct drm_gem_dma_vm_ops;
>  
>  /*
>   * GEM object functions
>   */
>  
>  /**
> - * drm_gem_cma_object_free - GEM object function for drm_gem_cma_free()
> + * drm_gem_dma_object_free - GEM object function for drm_gem_dma_free()
>   * @obj: GEM object to free
>   *
> - * This function wraps drm_gem_cma_free_object(). Drivers that employ the CMA helpers
> + * This function wraps drm_gem_dma_free_object(). Drivers that employ the DMA helpers
>   * should use it as their &drm_gem_object_funcs.free handler.
>   */
> -static inline void drm_gem_cma_object_free(struct drm_gem_object *obj)
> +static inline void drm_gem_dma_object_free(struct drm_gem_object *obj)
>  {
> -	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
> +	struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
>  
> -	drm_gem_cma_free(cma_obj);
> +	drm_gem_dma_free(dma_obj);
>  }
>  
>  /**
> - * drm_gem_cma_object_print_info() - Print &drm_gem_cma_object info for debugfs
> + * drm_gem_dma_object_print_info() - Print &drm_gem_dma_object info for debugfs
>   * @p: DRM printer
>   * @indent: Tab indentation level
>   * @obj: GEM object
>   *
> - * This function wraps drm_gem_cma_print_info(). Drivers that employ the CMA helpers
> + * This function wraps drm_gem_dma_print_info(). Drivers that employ the DMA helpers
>   * should use this function as their &drm_gem_object_funcs.print_info handler.
>   */
> -static inline void drm_gem_cma_object_print_info(struct drm_printer *p, unsigned int indent,
> +static inline void drm_gem_dma_object_print_info(struct drm_printer *p, unsigned int indent,
>  						 const struct drm_gem_object *obj)
>  {
> -	const struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
> +	const struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
>  
> -	drm_gem_cma_print_info(cma_obj, p, indent);
> +	drm_gem_dma_print_info(dma_obj, p, indent);
>  }
>  
>  /**
> - * drm_gem_cma_object_get_sg_table - GEM object function for drm_gem_cma_get_sg_table()
> + * drm_gem_dma_object_get_sg_table - GEM object function for drm_gem_dma_get_sg_table()
>   * @obj: GEM object
>   *
> - * This function wraps drm_gem_cma_get_sg_table(). Drivers that employ the CMA helpers should
> + * This function wraps drm_gem_dma_get_sg_table(). Drivers that employ the DMA helpers should
>   * use it as their &drm_gem_object_funcs.get_sg_table handler.
>   *
>   * Returns:
>   * A pointer to the scatter/gather table of pinned pages or NULL on failure.
>   */
> -static inline struct sg_table *drm_gem_cma_object_get_sg_table(struct drm_gem_object *obj)
> +static inline struct sg_table *drm_gem_dma_object_get_sg_table(struct drm_gem_object *obj)
>  {
> -	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
> +	struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
>  
> -	return drm_gem_cma_get_sg_table(cma_obj);
> +	return drm_gem_dma_get_sg_table(dma_obj);
>  }
>  
>  /*
> - * drm_gem_cma_object_vmap - GEM object function for drm_gem_cma_vmap()
> + * drm_gem_dma_object_vmap - GEM object function for drm_gem_dma_vmap()
>   * @obj: GEM object
> - * @map: Returns the kernel virtual address of the CMA GEM object's backing store.
> + * @map: Returns the kernel virtual address of the DMA GEM object's backing store.
>   *
> - * This function wraps drm_gem_cma_vmap(). Drivers that employ the CMA helpers should
> + * This function wraps drm_gem_dma_vmap(). Drivers that employ the DMA helpers should
>   * use it as their &drm_gem_object_funcs.vmap handler.
>   *
>   * Returns:
>   * 0 on success or a negative error code on failure.
>   */
> -static inline int drm_gem_cma_object_vmap(struct drm_gem_object *obj,
> +static inline int drm_gem_dma_object_vmap(struct drm_gem_object *obj,
>  					  struct iosys_map *map)
>  {
> -	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
> +	struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
>  
> -	return drm_gem_cma_vmap(cma_obj, map);
> +	return drm_gem_dma_vmap(dma_obj, map);
>  }
>  
>  /**
> - * drm_gem_cma_object_mmap - GEM object function for drm_gem_cma_mmap()
> + * drm_gem_dma_object_mmap - GEM object function for drm_gem_dma_mmap()
>   * @obj: GEM object
>   * @vma: VMA for the area to be mapped
>   *
> - * This function wraps drm_gem_cma_mmap(). Drivers that employ the cma helpers should
> + * This function wraps drm_gem_dma_mmap(). Drivers that employ the dma helpers should
>   * use it as their &drm_gem_object_funcs.mmap handler.
>   *
>   * Returns:
>   * 0 on success or a negative error code on failure.
>   */
> -static inline int drm_gem_cma_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
> +static inline int drm_gem_dma_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
>  {
> -	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
> +	struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
>  
> -	return drm_gem_cma_mmap(cma_obj, vma);
> +	return drm_gem_dma_mmap(dma_obj, vma);
>  }
>  
>  /*
> @@ -138,57 +138,57 @@ static inline int drm_gem_cma_object_mmap(struct drm_gem_object *obj, struct vm_
>   */
>  
>  /* create memory region for DRM framebuffer */
> -int drm_gem_cma_dumb_create_internal(struct drm_file *file_priv,
> +int drm_gem_dma_dumb_create_internal(struct drm_file *file_priv,
>  				     struct drm_device *drm,
>  				     struct drm_mode_create_dumb *args);
>  
>  /* create memory region for DRM framebuffer */
> -int drm_gem_cma_dumb_create(struct drm_file *file_priv,
> +int drm_gem_dma_dumb_create(struct drm_file *file_priv,
>  			    struct drm_device *drm,
>  			    struct drm_mode_create_dumb *args);
>  
>  struct drm_gem_object *
> -drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
> +drm_gem_dma_prime_import_sg_table(struct drm_device *dev,
>  				  struct dma_buf_attachment *attach,
>  				  struct sg_table *sgt);
>  
>  /**
> - * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE - CMA GEM driver operations
> + * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE - DMA GEM driver operations
>   * @dumb_create_func: callback function for .dumb_create
>   *
>   * This macro provides a shortcut for setting the default GEM operations in the
>   * &drm_driver structure.
>   *
> - * This macro is a variant of DRM_GEM_CMA_DRIVER_OPS for drivers that
> + * This macro is a variant of DRM_GEM_DMA_DRIVER_OPS for drivers that
>   * override the default implementation of &struct rm_driver.dumb_create. Use
> - * DRM_GEM_CMA_DRIVER_OPS if possible. Drivers that require a virtual address
> + * DRM_GEM_DMA_DRIVER_OPS if possible. Drivers that require a virtual address
>   * on imported buffers should use
> - * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead.
> + * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead.
>   */
> -#define DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(dumb_create_func) \
> +#define DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(dumb_create_func) \
>  	.dumb_create		= (dumb_create_func), \
>  	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd, \
>  	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle, \
> -	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, \
> +	.gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table, \
>  	.gem_prime_mmap		= drm_gem_prime_mmap
>  
>  /**
> - * DRM_GEM_CMA_DRIVER_OPS - CMA GEM driver operations
> + * DRM_GEM_DMA_DRIVER_OPS - DMA GEM driver operations
>   *
>   * This macro provides a shortcut for setting the default GEM operations in the
>   * &drm_driver structure.
>   *
>   * Drivers that come with their own implementation of
>   * &struct drm_driver.dumb_create should use
> - * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() instead. Use
> - * DRM_GEM_CMA_DRIVER_OPS if possible. Drivers that require a virtual address
> - * on imported buffers should use DRM_GEM_CMA_DRIVER_OPS_VMAP instead.
> + * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE() instead. Use
> + * DRM_GEM_DMA_DRIVER_OPS if possible. Drivers that require a virtual address
> + * on imported buffers should use DRM_GEM_DMA_DRIVER_OPS_VMAP instead.
>   */
> -#define DRM_GEM_CMA_DRIVER_OPS \
> -	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(drm_gem_cma_dumb_create)
> +#define DRM_GEM_DMA_DRIVER_OPS \
> +	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(drm_gem_dma_dumb_create)
>  
>  /**
> - * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE - CMA GEM driver operations
> + * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE - DMA GEM driver operations
>   *                                                ensuring a virtual address
>   *                                                on the buffer
>   * @dumb_create_func: callback function for .dumb_create
> @@ -197,21 +197,21 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
>   * &drm_driver structure for drivers that need the virtual address also on
>   * imported buffers.
>   *
> - * This macro is a variant of DRM_GEM_CMA_DRIVER_OPS_VMAP for drivers that
> + * This macro is a variant of DRM_GEM_DMA_DRIVER_OPS_VMAP for drivers that
>   * override the default implementation of &struct drm_driver.dumb_create. Use
> - * DRM_GEM_CMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
> + * DRM_GEM_DMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
>   * virtual address on imported buffers should use
> - * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() instead.
> + * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE() instead.
>   */
> -#define DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(dumb_create_func) \
> +#define DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(dumb_create_func) \
>  	.dumb_create		= dumb_create_func, \
>  	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd, \
>  	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle, \
> -	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table_vmap, \
> +	.gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table_vmap, \
>  	.gem_prime_mmap		= drm_gem_prime_mmap
>  
>  /**
> - * DRM_GEM_CMA_DRIVER_OPS_VMAP - CMA GEM driver operations ensuring a virtual
> + * DRM_GEM_DMA_DRIVER_OPS_VMAP - DMA GEM driver operations ensuring a virtual
>   *                               address on the buffer
>   *
>   * This macro provides a shortcut for setting the default GEM operations in the
> @@ -220,16 +220,16 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
>   *
>   * Drivers that come with their own implementation of
>   * &struct drm_driver.dumb_create should use
> - * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead. Use
> - * DRM_GEM_CMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
> - * virtual address on imported buffers should use DRM_GEM_CMA_DRIVER_OPS
> + * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead. Use
> + * DRM_GEM_DMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
> + * virtual address on imported buffers should use DRM_GEM_DMA_DRIVER_OPS
>   * instead.
>   */
> -#define DRM_GEM_CMA_DRIVER_OPS_VMAP \
> -	DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(drm_gem_cma_dumb_create)
> +#define DRM_GEM_DMA_DRIVER_OPS_VMAP \
> +	DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(drm_gem_dma_dumb_create)
>  
>  struct drm_gem_object *
> -drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *drm,
> +drm_gem_dma_prime_import_sg_table_vmap(struct drm_device *drm,
>  				       struct dma_buf_attachment *attach,
>  				       struct sg_table *sgt);
>  
> @@ -238,22 +238,22 @@ drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *drm,
>   */
>  
>  #ifndef CONFIG_MMU
> -unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
> +unsigned long drm_gem_dma_get_unmapped_area(struct file *filp,
>  					    unsigned long addr,
>  					    unsigned long len,
>  					    unsigned long pgoff,
>  					    unsigned long flags);
> -#define DRM_GEM_CMA_UNMAPPED_AREA_FOPS \
> -	.get_unmapped_area	= drm_gem_cma_get_unmapped_area,
> +#define DRM_GEM_DMA_UNMAPPED_AREA_FOPS \
> +	.get_unmapped_area	= drm_gem_dma_get_unmapped_area,
>  #else
> -#define DRM_GEM_CMA_UNMAPPED_AREA_FOPS
> +#define DRM_GEM_DMA_UNMAPPED_AREA_FOPS
>  #endif
>  
>  /**
> - * DEFINE_DRM_GEM_CMA_FOPS() - macro to generate file operations for CMA drivers
> + * DEFINE_DRM_GEM_DMA_FOPS() - macro to generate file operations for DMA drivers
>   * @name: name for the generated structure
>   *
> - * This macro autogenerates a suitable &struct file_operations for CMA based
> + * This macro autogenerates a suitable &struct file_operations for DMA based
>   * drivers, which can be assigned to &drm_driver.fops. Note that this structure
>   * cannot be shared between drivers, because it contains a reference to the
>   * current module using THIS_MODULE.
> @@ -262,7 +262,7 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
>   * non-static version of this you're probably doing it wrong and will break the
>   * THIS_MODULE reference by accident.
>   */
> -#define DEFINE_DRM_GEM_CMA_FOPS(name) \
> +#define DEFINE_DRM_GEM_DMA_FOPS(name) \
>  	static const struct file_operations name = {\
>  		.owner		= THIS_MODULE,\
>  		.open		= drm_open,\
> @@ -273,7 +273,7 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
>  		.read		= drm_read,\
>  		.llseek		= noop_llseek,\
>  		.mmap		= drm_gem_mmap,\
> -		DRM_GEM_CMA_UNMAPPED_AREA_FOPS \
> +		DRM_GEM_DMA_UNMAPPED_AREA_FOPS \
>  	}
>  
> -#endif /* __DRM_GEM_CMA_HELPER_H__ */
> +#endif /* __DRM_GEM_DMA_HELPER_H__ */
> -- 
> 2.37.1
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯



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