Move rcar_du_dumb_create() to RCar DU KMS lib. Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> --- v6->v7: * Rebased to drm-tip. v1->v6: * Rebased on drm-misc-next and DU-next. v1: * Created the lib suggested by Laurent. Ref: https://patchwork.kernel.org/project/linux-renesas-soc/patch/20220316131100.30685-6-biju.das.jz@xxxxxxxxxxxxxx/ --- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 21 ----------------- drivers/gpu/drm/rcar-du/rcar_du_kms.h | 5 ---- drivers/gpu/drm/rcar-du/rcar_du_kms_lib.c | 28 +++++++++++++++++++++++ drivers/gpu/drm/rcar-du/rcar_du_kms_lib.h | 7 ++++++ 4 files changed, 35 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 3141d447e979..4b5511a20313 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -81,27 +81,6 @@ struct drm_gem_object *rcar_du_gem_prime_import_sg_table(struct drm_device *dev, return gem_obj; } -int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev, - struct drm_mode_create_dumb *args) -{ - struct rcar_du_device *rcdu = to_rcar_du_device(dev); - unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); - unsigned int align; - - /* - * The R8A7779 DU requires a 16 pixels pitch alignment as documented, - * but the R8A7790 DU seems to require a 128 bytes pitch alignment. - */ - if (rcar_du_needs(rcdu, RCAR_DU_QUIRK_ALIGN_128B)) - align = 128; - else - align = 16 * args->bpp / 8; - - args->pitch = roundup(min_pitch, align); - - return drm_gem_dma_dumb_create_internal(file, dev, args); -} - static struct drm_framebuffer * rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.h b/drivers/gpu/drm/rcar-du/rcar_du_kms.h index d2d4f34fe557..5490c99947fd 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.h @@ -13,18 +13,13 @@ #include "rcar_du_kms_lib.h" struct dma_buf_attachment; -struct drm_file; struct drm_device; struct drm_gem_object; -struct drm_mode_create_dumb; struct rcar_du_device; struct sg_table; int rcar_du_modeset_init(struct rcar_du_device *rcdu); -int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev, - struct drm_mode_create_dumb *args); - struct drm_gem_object *rcar_du_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms_lib.c b/drivers/gpu/drm/rcar-du/rcar_du_kms_lib.c index 5921040586fc..e88f753704cd 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms_lib.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms_lib.c @@ -7,10 +7,13 @@ * Contact: Laurent Pinchart (laurent.pinchart@xxxxxxxxxxxxxxxx) */ +#include <drm/drm_device.h> #include <drm/drm_framebuffer.h> +#include <drm/drm_gem_dma_helper.h> #include <linux/videodev2.h> +#include "rcar_du_drv.h" #include "rcar_du_kms.h" #include "rcar_du_regs.h" @@ -333,3 +336,28 @@ const struct rcar_du_format_info *rcar_du_format_info(u32 fourcc) return NULL; } + +/* ----------------------------------------------------------------------------- + * Frame buffer + */ + +int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev, + struct drm_mode_create_dumb *args) +{ + struct rcar_du_device *rcdu = to_rcar_du_device(dev); + unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); + unsigned int align; + + /* + * The R8A7779 DU requires a 16 pixels pitch alignment as documented, + * but the R8A7790 DU seems to require a 128 bytes pitch alignment. + */ + if (rcar_du_needs(rcdu, RCAR_DU_QUIRK_ALIGN_128B)) + align = 128; + else + align = 16 * args->bpp / 8; + + args->pitch = roundup(min_pitch, align); + + return drm_gem_dma_dumb_create_internal(file, dev, args); +} diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms_lib.h b/drivers/gpu/drm/rcar-du/rcar_du_kms_lib.h index d72069436cac..6e4cfe2ef867 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms_lib.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms_lib.h @@ -12,6 +12,10 @@ #include <linux/types.h> +struct drm_device; +struct drm_file; +struct drm_mode_create_dumb; + struct rcar_du_format_info { u32 fourcc; u32 v4l2; @@ -24,4 +28,7 @@ struct rcar_du_format_info { const struct rcar_du_format_info *rcar_du_format_info(u32 fourcc); +int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev, + struct drm_mode_create_dumb *args); + #endif /* __RCAR_DU_KMS_LIB_H__ */ -- 2.25.1
