[PATCH v2 09/22] drm/exynos: mixer: enable video overlay plane only when VP is available

[Marek Szyprowski]

Video overlay plane should be registered only when suitable hardware
sub-block (Video Processor) is available.

Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
---
 drivers/gpu/drm/exynos/exynos_mixer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 84ee3396c429..8d2ce13eb725 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1167,6 +1167,9 @@ static int mixer_bind(struct device *dev, struct device *manager, void *data)
 		const uint32_t *formats;
 		unsigned int fcount;
 
+		if (zpos == VP_DEFAULT_WIN && !ctx->vp_enabled)
+			continue;
+
 		if (zpos < VP_DEFAULT_WIN) {
 			formats = mixer_formats;
 			fcount = ARRAY_SIZE(mixer_formats);
-- 
1.9.2