xref: /openbmc/linux/include/drm/drm_gem_framebuffer_helper.h (revision 55f7f727)

#ifndef __DRM_GEM_FB_HELPER_H__
#define __DRM_GEM_FB_HELPER_H__

struct drm_afbc_framebuffer;
struct drm_device;
struct drm_fb_helper_surface_size;
struct drm_file;
struct drm_framebuffer;
struct drm_framebuffer_funcs;
struct drm_gem_object;
struct drm_mode_fb_cmd2;
struct drm_plane;
struct drm_plane_state;
struct drm_simple_display_pipe;

#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_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_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_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_mode_fb_cmd2 *mode_cmd);

#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_mode_fb_cmd2 *mode_cmd,
			 struct drm_afbc_framebuffer *afbc_fb);

int drm_gem_fb_prepare_fb(struct drm_plane *plane,
			  struct drm_plane_state *state);
int drm_gem_fb_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
					      struct drm_plane_state *plane_state);
#endif