linux-loongson/include/drm/drm_gem_framebuffer_helper.h
Ville Syrjälä 283da9e3a9 drm/gem/afbc: Eliminate redundant drm_get_format_info()
Pass along the format info from .fb_create() to aliminate the
redundant drm_get_format_info() calls from the afbc code.

Cc: Sandy Huang <hjc@rock-chips.com>
Cc: "Heiko Stübner" <heiko@sntech.de>
Cc: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250701090722.13645-9-ville.syrjala@linux.intel.com
2025-07-16 20:06:22 +03:00

60 lines
2.2 KiB
C

#ifndef __DRM_GEM_FB_HELPER_H__
#define __DRM_GEM_FB_HELPER_H__
#include <linux/dma-buf.h>
#include <linux/iosys-map.h>
struct drm_afbc_framebuffer;
struct drm_device;
struct drm_fb_helper_surface_size;
struct drm_file;
struct drm_format_info;
struct drm_framebuffer;
struct drm_framebuffer_funcs;
struct drm_gem_object;
struct drm_mode_fb_cmd2;
#define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52)
struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
unsigned int plane);
void drm_gem_fb_destroy(struct drm_framebuffer *fb);
int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file,
unsigned int *handle);
int drm_gem_fb_init_with_funcs(struct drm_device *dev,
struct drm_framebuffer *fb,
struct drm_file *file,
const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd,
const struct drm_framebuffer_funcs *funcs);
struct drm_framebuffer *
drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd,
const struct drm_framebuffer_funcs *funcs);
struct drm_framebuffer *
drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd);
struct drm_framebuffer *
drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd);
int drm_gem_fb_vmap(struct drm_framebuffer *fb, struct iosys_map *map,
struct iosys_map *data);
void drm_gem_fb_vunmap(struct drm_framebuffer *fb, struct iosys_map *map);
int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
#define drm_is_afbc(modifier) \
(((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
int drm_gem_fb_afbc_init(struct drm_device *dev,
const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_afbc_framebuffer *afbc_fb);
#endif