ICL requires two planes for scanning out a NV12 framebuffer. Do
not advertize support for creating NV12 framebuffers until required
plane programming is implemented.
v2: Do not allow adding buffers.
Check inside skl_plane_has_planar (Ville)
Bspec: Plane Planar YUV programming (18566)
Cc: Ville Syrjälä <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Signed-off-by: Dhinakaran Pandiyan <[email protected]>
---
drivers/gpu/drm/i915/intel_display.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 7e18bd8b21b8..8e4e88eb10e4 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13622,6 +13622,13 @@ static bool skl_plane_has_fbc(struct drm_i915_private
*dev_priv,
bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
enum pipe pipe, enum plane_id plane_id)
{
+ /*
+ * FIXME: ICL requires two hardware planes for scanning out NV12
+ * framebuffers. Do not advertize support until this is implemented.
+ */
+ if (INTEL_GEN(dev_priv) >= 11)
+ return false;
+
if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
return false;
@@ -14543,7 +14550,7 @@ static int intel_framebuffer_init(struct
intel_framebuffer *intel_fb,
break;
case DRM_FORMAT_NV12:
if (INTEL_GEN(dev_priv) < 9 || IS_SKYLAKE(dev_priv) ||
- IS_BROXTON(dev_priv)) {
+ IS_BROXTON(dev_priv) || INTEL_GEN(dev_priv) >= 11) {
DRM_DEBUG_KMS("unsupported pixel format: %s\n",
drm_get_format_name(mode_cmd->pixel_format,
&format_name));
--
2.17.1
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