Adds clarification of the rotation property bits. I.e. rotation is Counter clockwise and that reflects are applied before any rotation.
Signed-off-by: Robert Fekete robert.fekete@linux.intel.com --- include/drm/drm_crtc.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 3f0c6909dda1..45334fa0cb10 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. Rotate-(degrees) rotates the image by the specified + * amount in degrees in counter clockwise direction. reflect-x and 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