drm: Add drm_mode_create_rotation_property()
Add a function to create a standards compliant rotation property.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Acked-by: Dave Airlie <airlied@linux.ie>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index cb4850a..f7b383b 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1113,6 +1113,8 @@
extern int drm_format_horz_chroma_subsampling(uint32_t format);
extern int drm_format_vert_chroma_subsampling(uint32_t format);
extern const char *drm_get_format_name(uint32_t format);
+extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
+ unsigned int supported_rotations);
/* Helpers */