[PATCH] drm: add checking DRM_FORMAT_NV12MT

[Joonyoung Shim]

If user NV12MT uses as pixel format, the Addfb2 ioctl is failed because
of missing to check DRM_FORMAT_NV12MT. The NV12MT pixel format is
supported by exynos4 and some qualcomm chipset and it is used by exynos
drm driver.

Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
---
 drivers/gpu/drm/drm_crtc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 1ccf5cb..5d7bd49 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2960,6 +2960,7 @@ static int format_check(const struct drm_mode_fb_cmd2 *r)
 	case DRM_FORMAT_NV61:
 	case DRM_FORMAT_NV24:
 	case DRM_FORMAT_NV42:
+	case DRM_FORMAT_NV12MT:
 	case DRM_FORMAT_YUV410:
 	case DRM_FORMAT_YVU410:
 	case DRM_FORMAT_YUV411:
@@ -4800,6 +4801,7 @@ int drm_format_num_planes(uint32_t format)
 	case DRM_FORMAT_NV61:
 	case DRM_FORMAT_NV24:
 	case DRM_FORMAT_NV42:
+	case DRM_FORMAT_NV12MT:
 		return 2;
 	default:
 		return 1;
@@ -4835,6 +4837,7 @@ int drm_format_plane_cpp(uint32_t format, int plane)
 	case DRM_FORMAT_NV61:
 	case DRM_FORMAT_NV24:
 	case DRM_FORMAT_NV42:
+	case DRM_FORMAT_NV12MT:
 		return plane ? 2 : 1;
 	case DRM_FORMAT_YUV410:
 	case DRM_FORMAT_YVU410:
@@ -4878,6 +4881,7 @@ int drm_format_horz_chroma_subsampling(uint32_t format)
 	case DRM_FORMAT_NV21:
 	case DRM_FORMAT_NV16:
 	case DRM_FORMAT_NV61:
+	case DRM_FORMAT_NV12MT:
 	case DRM_FORMAT_YUV422:
 	case DRM_FORMAT_YVU422:
 	case DRM_FORMAT_YUV420:
@@ -4907,6 +4911,7 @@ int drm_format_vert_chroma_subsampling(uint32_t format)
 	case DRM_FORMAT_YVU420:
 	case DRM_FORMAT_NV12:
 	case DRM_FORMAT_NV21:
+	case DRM_FORMAT_NV12MT:
 		return 2;
 	default:
 		return 1;
-- 
1.8.1.2