diff options
| -rw-r--r-- | include/drm/drm_crtc.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 3f0c6909dda1..f47cefa37ef3 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -85,7 +85,11 @@ static inline uint64_t I642U64(int64_t val) return (uint64_t)*((uint64_t *)&val); } -/* rotation property bits */ +/* + * Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the + * specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and + * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation + */ #define DRM_ROTATE_MASK 0x0f #define DRM_ROTATE_0 0 #define DRM_ROTATE_90 1 |