diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_fourcc.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h index eeec449d6c6a..6b5a82b31bc4 100644 --- a/include/drm/drm_fourcc.h +++ b/include/drm/drm_fourcc.h @@ -260,6 +260,23 @@ drm_format_info_is_yuv_sampling_444(const struct drm_format_info *info) return info->is_yuv && info->hsub == 1 && info->vsub == 1; } +/** + * drm_format_info_plane_cpp - determine the bytes per pixel value + * @format: pixel format info + * @plane: plane index + * + * Returns: + * The bytes per pixel value for the specified plane. + */ +static inline +int drm_format_info_plane_cpp(const struct drm_format_info *info, int plane) +{ + if (!info || plane >= info->num_planes) + return 0; + + return info->cpp[plane]; +} + const struct drm_format_info *__drm_format_info(u32 format); const struct drm_format_info *drm_format_info(u32 format); const struct drm_format_info * @@ -268,7 +285,6 @@ drm_get_format_info(struct drm_device *dev, uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth); uint32_t drm_driver_legacy_fb_format(struct drm_device *dev, uint32_t bpp, uint32_t depth); -int drm_format_plane_cpp(uint32_t format, int plane); int drm_format_plane_width(int width, uint32_t format, int plane); int drm_format_plane_height(int height, uint32_t format, int plane); unsigned int drm_format_info_block_width(const struct drm_format_info *info, |