[PATCH 08/15] drm/i915: Add NV12 as supported format for sprite plane

[Chandra Konduru <chandra.konduru@intel.com>]

This patch adds NV12 to list of supported formats for
sprite plane.

v2:
- made supported format list const, fixed a leftover -1. (Ville)

Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Testcase: igt/kms_nv12
---
 drivers/gpu/drm/i915/intel_sprite.c |   25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 66d60ae..797594e 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1029,7 +1029,7 @@ static const uint32_t vlv_plane_formats[] = {
 	DRM_FORMAT_VYUY,
 };
 
-static uint32_t skl_plane_formats[] = {
+static const uint32_t skl_plane_formats[] = {
 	DRM_FORMAT_RGB565,
 	DRM_FORMAT_ABGR8888,
 	DRM_FORMAT_ARGB8888,
@@ -1041,6 +1041,19 @@ static uint32_t skl_plane_formats[] = {
 	DRM_FORMAT_VYUY,
 };
 
+static const uint32_t skl_plane_formats_with_nv12[] = {
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
+};
+
 int
 intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 {
@@ -1112,8 +1125,14 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 		intel_plane->disable_plane = skl_disable_plane;
 		state->scaler_id = -1;
 
-		plane_formats = skl_plane_formats;
-		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		if ((pipe == PIPE_A || pipe == PIPE_B) && (plane == 0)) {
+			plane_formats = skl_plane_formats_with_nv12;
+			num_plane_formats = ARRAY_SIZE(skl_plane_formats_with_nv12);
+		} else {
+			plane_formats = skl_plane_formats;
+			num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		}
+
 		break;
 	default:
 		kfree(intel_plane);
-- 
1.7.9.5

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