diff options
Diffstat (limited to 'include/drm/drm_framebuffer.h')
| -rw-r--r-- | include/drm/drm_framebuffer.h | 54 |
1 files changed, 46 insertions, 8 deletions
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h index c0e0256e3e98..0dcc07b68654 100644 --- a/include/drm/drm_framebuffer.h +++ b/include/drm/drm_framebuffer.h @@ -27,12 +27,12 @@ #include <linux/list.h> #include <linux/sched.h> +#include <drm/drm_fourcc.h> #include <drm/drm_mode_object.h> struct drm_clip_rect; struct drm_device; struct drm_file; -struct drm_format_info; struct drm_framebuffer; struct drm_gem_object; @@ -147,17 +147,17 @@ struct drm_framebuffer { * @pitches: Line stride per buffer. For userspace created object this * is copied from drm_mode_fb_cmd2. */ - unsigned int pitches[4]; + unsigned int pitches[DRM_FORMAT_MAX_PLANES]; /** * @offsets: Offset from buffer start to the actual pixel data in bytes, * per buffer. For userspace created object this is copied from * drm_mode_fb_cmd2. * * Note that this is a linear offset and does not take into account - * tiling or buffer laytou per @modifier. It meant to be used when the - * actual pixel data for this framebuffer plane starts at an offset, - * e.g. when multiple planes are allocated within the same backing - * storage buffer object. For tiled layouts this generally means it + * tiling or buffer layout per @modifier. It is meant to be used when + * the actual pixel data for this framebuffer plane starts at an offset, + * e.g. when multiple planes are allocated within the same backing + * storage buffer object. For tiled layouts this generally means its * @offsets must at least be tile-size aligned, but hardware often has * stricter requirements. * @@ -165,7 +165,7 @@ struct drm_framebuffer { * data (even for linear buffers). Specifying an x/y pixel offset is * instead done through the source rectangle in &struct drm_plane_state. */ - unsigned int offsets[4]; + unsigned int offsets[DRM_FORMAT_MAX_PLANES]; /** * @modifier: Data layout modifier. This is used to describe * tiling, or also special layouts (like compression) of auxiliary @@ -210,7 +210,7 @@ struct drm_framebuffer { * This is used by the GEM framebuffer helpers, see e.g. * drm_gem_fb_create(). */ - struct drm_gem_object *obj[4]; + struct drm_gem_object *obj[DRM_FORMAT_MAX_PLANES]; }; #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) @@ -297,4 +297,42 @@ int drm_framebuffer_plane_width(int width, int drm_framebuffer_plane_height(int height, const struct drm_framebuffer *fb, int plane); +/** + * struct drm_afbc_framebuffer - a special afbc frame buffer object + * + * A derived class of struct drm_framebuffer, dedicated for afbc use cases. + */ +struct drm_afbc_framebuffer { + /** + * @base: base framebuffer structure. + */ + struct drm_framebuffer base; + /** + * @block_width: width of a single afbc block + */ + u32 block_width; + /** + * @block_height: height of a single afbc block + */ + u32 block_height; + /** + * @aligned_width: aligned frame buffer width + */ + u32 aligned_width; + /** + * @aligned_height: aligned frame buffer height + */ + u32 aligned_height; + /** + * @offset: offset of the first afbc header + */ + u32 offset; + /** + * @afbc_size: minimum size of afbc buffer + */ + u32 afbc_size; +}; + +#define fb_to_afbc_fb(x) container_of(x, struct drm_afbc_framebuffer, base) + #endif |