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
52