backend-drm: Drop support to non universal plane drivers
Remove all the backend code to support drivers without universal planes.
Closes: #427 (closed)
Signed-off-by: Igor Matheus Andrade Torrente igormtorrente@gmail.com
Remove all the backend code to support drivers without universal planes.
Closes: #427 (closed)
Signed-off-by: Igor Matheus Andrade Torrente igormtorrente@gmail.com