[Intel-gfx] [PATCH 6/8] drm/i915: Add NV12 as supported format for primary plane

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru at intel.com>

This patch adds NV12 to list of supported formats for
primary plane

v2: Rebased (Chandra Konduru)

v3: Rebased (me)

Link: https://patchwork.kernel.org/patch/6426201/
Signed-off-by: Chandra Konduru <chandra.konduru at intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti at intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas at intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f62df27..300f589 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -87,6 +87,18 @@ static bool is_mmio_work(struct intel_flip_work *work)
 	DRM_FORMAT_VYUY,
 };
 
+static const uint32_t skl_primary_formats_with_nv12[] = {
+	DRM_FORMAT_C8,
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_XRGB2101010,
+	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_NV12,
+};
+
 /* Cursor formats */
 static const uint32_t intel_cursor_formats[] = {
 	DRM_FORMAT_ARGB8888,
@@ -13968,9 +13980,13 @@ void intel_plane_destroy(struct drm_plane *plane)
 	primary->check_plane = intel_check_primary_plane;
 
 	if (INTEL_GEN(dev_priv) >= 9) {
-		intel_primary_formats = skl_primary_formats;
-		num_formats = ARRAY_SIZE(skl_primary_formats);
-
+		if (pipe == PIPE_A || pipe == PIPE_B) {
+			intel_primary_formats = skl_primary_formats_with_nv12;
+			num_formats = ARRAY_SIZE(skl_primary_formats_with_nv12);
+		} else {
+			intel_primary_formats = skl_primary_formats;
+			num_formats = ARRAY_SIZE(skl_primary_formats);
+		}
 		primary->update_plane = skylake_update_primary_plane;
 		primary->disable_plane = skylake_disable_primary_plane;
 	} else if (INTEL_GEN(dev_priv) >= 4) {
-- 
1.9.1