drm/exynos: mixer: enable video overlay plane only when VP is available
Video overlay plane should be registered only when suitable hardware
sub-block (Video Processor) is available.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
[backport of mainline commit
ab14420125c3cd1111f57731f0f9359c4e64d76a
to let Enlightenment to use video/osd graphics plane]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: I0636d35a660960015816224ceb19f6c7fb6abe26