include/drm/drm_gem_framebuffer_helper.h

   1 #ifndef __DRM_GEM_FB_HELPER_H__
   2 #define __DRM_GEM_FB_HELPER_H__
   3
   4 struct drm_afbc_framebuffer;
   5 struct drm_device;
   6 struct drm_fb_helper_surface_size;
   7 struct drm_file;
   8 struct drm_framebuffer;
   9 struct drm_framebuffer_funcs;
  10 struct drm_gem_object;
  11 struct drm_mode_fb_cmd2;
  12 struct drm_plane;
  13 struct drm_plane_state;
  14 struct drm_simple_display_pipe;
  15
  16 #define AFBC_VENDOR_AND_TYPE_MASK       GENMASK_ULL(63, 52)
  17
  18 struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
  19                                           unsigned int plane);
  20 void drm_gem_fb_destroy(struct drm_framebuffer *fb);
  21 int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file,
  22                              unsigned int *handle);
  23
  24 int drm_gem_fb_init_with_funcs(struct drm_device *dev,
  25                                struct drm_framebuffer *fb,
  26                                struct drm_file *file,
  27                                const struct drm_mode_fb_cmd2 *mode_cmd,
  28                                const struct drm_framebuffer_funcs *funcs);
  29 struct drm_framebuffer *
  30 drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
  31                              const struct drm_mode_fb_cmd2 *mode_cmd,
  32                              const struct drm_framebuffer_funcs *funcs);
  33 struct drm_framebuffer *
  34 drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
  35                   const struct drm_mode_fb_cmd2 *mode_cmd);
  36 struct drm_framebuffer *
  37 drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
  38                              const struct drm_mode_fb_cmd2 *mode_cmd);
  39
  40 #define drm_is_afbc(modifier) \
  41         (((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
  42
  43 int drm_gem_fb_afbc_init(struct drm_device *dev,
  44                          const struct drm_mode_fb_cmd2 *mode_cmd,
  45                          struct drm_afbc_framebuffer *afbc_fb);
  46
  47 int drm_gem_fb_prepare_fb(struct drm_plane *plane,
  48                           struct drm_plane_state *state);
  49 int drm_gem_fb_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
  50                                               struct drm_plane_state *plane_state);
  51 #endif