Am 13.09.19 um 14:29 schrieb Gerd Hoffmann:
> Not needed any more because we don't have vram specific fops
> any more. DEFINE_DRM_GEM_FOPS() can be used instead.
>
> Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> ---
> include/drm/drm_gem_vram_helper.h | 18 ----
> include/drm/drm_vram_mm_helper.h | 82 +++++++++++++++++++
> drivers/gpu/drm/ast/ast_drv.c | 5 +-
> drivers/gpu/drm/bochs/bochs_drv.c | 5 +-
> .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 5 +-
> drivers/gpu/drm/mgag200/mgag200_drv.c | 5 +-
> drivers/gpu/drm/vboxvideo/vbox_drv.c | 5 +-
> 7 files changed, 87 insertions(+), 38 deletions(-)
> create mode 100644 include/drm/drm_vram_mm_helper.h
>
> diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
> index 9d5526650291..3503ff784803 100644
> --- a/include/drm/drm_gem_vram_helper.h
> +++ b/include/drm/drm_gem_vram_helper.h
> @@ -180,22 +180,4 @@ struct drm_vram_mm *drm_vram_helper_alloc_mm(
> struct drm_device *dev, uint64_t vram_base, size_t vram_size);
> void drm_vram_helper_release_mm(struct drm_device *dev);
>
> -/**
> - * define DRM_VRAM_MM_FILE_OPERATIONS - default callback functions for \
> - &struct file_operations
> - *
> - * Drivers that use VRAM MM can use this macro to initialize
> - * &struct file_operations with default functions.
> - */
> -#define DRM_VRAM_MM_FILE_OPERATIONS \
> - .llseek = no_llseek, \
> - .read = drm_read, \
> - .poll = drm_poll, \
> - .unlocked_ioctl = drm_ioctl, \
> - .compat_ioctl = drm_compat_ioctl, \
> - .mmap = drm_gem_mmap, \
> - .open = drm_open, \
> - .release = drm_release \
> -
> -
> #endif
> diff --git a/include/drm/drm_vram_mm_helper.h b/include/drm/drm_vram_mm_helper.h
> new file mode 100644
Please rebase onto the latest drm-tip. This entire file has been removed
in a recent patch.
With this change applied:
Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> index 000000000000..a47b49adba62
> --- /dev/null
> +++ b/include/drm/drm_vram_mm_helper.h
> @@ -0,0 +1,82 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +
> +#ifndef DRM_VRAM_MM_HELPER_H
> +#define DRM_VRAM_MM_HELPER_H
> +
> +#include <drm/drm_file.h>
> +#include <drm/drm_ioctl.h>
> +#include <drm/ttm/ttm_bo_driver.h>
> +
> +struct drm_device;
> +
> +/**
> + * struct drm_vram_mm_funcs - Callback functions for &struct drm_vram_mm
> + * @evict_flags: Provides an implementation for struct \
> + &ttm_bo_driver.evict_flags
> + * @move_notify: Provides an implementation for
> + * struct &ttm_bo_driver.move_notify
> + *
> + * These callback function integrate VRAM MM with TTM buffer objects. New
> + * functions can be added if necessary.
> + */
> +struct drm_vram_mm_funcs {
> + void (*evict_flags)(struct ttm_buffer_object *bo,
> + struct ttm_placement *placement);
> + void (*move_notify)(struct ttm_buffer_object *bo, bool evict,
> + struct ttm_mem_reg *new_mem);
> +};
> +
> +/**
> + * struct drm_vram_mm - An instance of VRAM MM
> + * @vram_base: Base address of the managed video memory
> + * @vram_size: Size of the managed video memory in bytes
> + * @bdev: The TTM BO device.
> + * @funcs: TTM BO functions
> + *
> + * The fields &struct drm_vram_mm.vram_base and
> + * &struct drm_vram_mm.vrm_size are managed by VRAM MM, but are
> + * available for public read access. Use the field
> + * &struct drm_vram_mm.bdev to access the TTM BO device.
> + */
> +struct drm_vram_mm {
> + uint64_t vram_base;
> + size_t vram_size;
> +
> + struct ttm_bo_device bdev;
> +
> + const struct drm_vram_mm_funcs *funcs;
> +};
> +
> +/**
> + * drm_vram_mm_of_bdev() - \
> + Returns the container of type &struct ttm_bo_device for field bdev.
> + * @bdev: the TTM BO device
> + *
> + * Returns:
> + * The containing instance of &struct drm_vram_mm
> + */
> +static inline struct drm_vram_mm *drm_vram_mm_of_bdev(
> + struct ttm_bo_device *bdev)
> +{
> + return container_of(bdev, struct drm_vram_mm, bdev);
> +}
> +
> +int drm_vram_mm_debugfs_init(struct drm_minor *minor);
> +int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev,
> + uint64_t vram_base, size_t vram_size,
> + const struct drm_vram_mm_funcs *funcs);
> +void drm_vram_mm_cleanup(struct drm_vram_mm *vmm);
> +
> +int drm_vram_mm_mmap(struct file *filp, struct vm_area_struct *vma,
> + struct drm_vram_mm *vmm);
> +
> +/*
> + * Helpers for integration with struct drm_device
> + */
> +
> +struct drm_vram_mm *drm_vram_helper_alloc_mm(
> + struct drm_device *dev, uint64_t vram_base, size_t vram_size,
> + const struct drm_vram_mm_funcs *funcs);
> +void drm_vram_helper_release_mm(struct drm_device *dev);
> +
> +#endif
> diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
> index e0e8770462bc..1f17794b0890 100644
> --- a/drivers/gpu/drm/ast/ast_drv.c
> +++ b/drivers/gpu/drm/ast/ast_drv.c
> @@ -200,10 +200,7 @@ static struct pci_driver ast_pci_driver = {
> .driver.pm = &ast_pm_ops,
> };
>
> -static const struct file_operations ast_fops = {
> - .owner = THIS_MODULE,
> - DRM_VRAM_MM_FILE_OPERATIONS
> -};
> +DEFINE_DRM_GEM_FOPS(ast_fops);
>
> static struct drm_driver driver = {
> .driver_features = DRIVER_MODESET | DRIVER_GEM,
> diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c
> index 3b9b0d9bbc14..10460878414e 100644
> --- a/drivers/gpu/drm/bochs/bochs_drv.c
> +++ b/drivers/gpu/drm/bochs/bochs_drv.c
> @@ -58,10 +58,7 @@ static int bochs_load(struct drm_device *dev)
> return ret;
> }
>
> -static const struct file_operations bochs_fops = {
> - .owner = THIS_MODULE,
> - DRM_VRAM_MM_FILE_OPERATIONS
> -};
> +DEFINE_DRM_GEM_FOPS(bochs_fops);
>
> static struct drm_driver bochs_driver = {
> .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> index f5b35fdef6f3..b6fdac91e502 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -26,10 +26,7 @@
> #include "hibmc_drm_drv.h"
> #include "hibmc_drm_regs.h"
>
> -static const struct file_operations hibmc_fops = {
> - .owner = THIS_MODULE,
> - DRM_VRAM_MM_FILE_OPERATIONS
> -};
> +DEFINE_DRM_GEM_FOPS(hibmc_fops);
>
> static irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
> {
> diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
> index 4f9df3b93598..397f8b0a9af8 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_drv.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
> @@ -58,10 +58,7 @@ static void mga_pci_remove(struct pci_dev *pdev)
> drm_put_dev(dev);
> }
>
> -static const struct file_operations mgag200_driver_fops = {
> - .owner = THIS_MODULE,
> - DRM_VRAM_MM_FILE_OPERATIONS
> -};
> +DEFINE_DRM_GEM_FOPS(mgag200_driver_fops);
>
> static struct drm_driver driver = {
> .driver_features = DRIVER_GEM | DRIVER_MODESET,
> diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c
> index 862db495d111..0c37032c8b65 100644
> --- a/drivers/gpu/drm/vboxvideo/vbox_drv.c
> +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.c
> @@ -189,10 +189,7 @@ static struct pci_driver vbox_pci_driver = {
> #endif
> };
>
> -static const struct file_operations vbox_fops = {
> - .owner = THIS_MODULE,
> - DRM_VRAM_MM_FILE_OPERATIONS
> -};
> +DEFINE_DRM_GEM_FOPS(vbox_fops);
>
> static struct drm_driver driver = {
> .driver_features =
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Linux GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany
GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
HRB 21284 (AG Nürnberg)
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