The source project of this merge request has been removed.
The upstream version of pixel blend mode property will be added to the DRM core. So added support for pixel blend mode property to the DrmPlane.
Created ValidatePlane() function in Planner to do the blend check, and also moved rotation and plane alpha property check there.
Signed-off-by: Lowry Li lowry.li@arm.com Reviewed-by: Liviu Dudau liviu.dudau@arm.com