On Tiger Lake we do not support source keying in the pixel formats P010,
P012, P016.
v2: Move WA to end of function. Create helper function for format
check. Less verbose debugging messaging.
v3: whitespace
Bspec: 52890
Cc: Matt Roper <matthew.d.ro...@intel.com>
Cc: Manasi Navare <manasi.d.nav...@intel.com>
CC: Ville Syrjälä <ville.syrj...@intel.com>
Signed-off-by: Matt Atwood <matthew.s.atw...@intel.com>
---
drivers/gpu/drm/i915/display/intel_sprite.c | 22 +++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c
b/drivers/gpu/drm/i915/display/intel_sprite.c
index 2f277d1fc6f1..71ff9849b5c0 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -2070,6 +2070,18 @@ vlv_sprite_check(struct intel_crtc_state *crtc_state,
return 0;
}
+static bool intel_format_is_p01x(int format)
+{
+ switch (format) {
+ case DRM_FORMAT_P010:
+ case DRM_FORMAT_P012:
+ case DRM_FORMAT_P016:
+ return true;
+ default:
+ return false;
+ }
+}
+
static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
@@ -2143,6 +2155,16 @@ static int skl_plane_check_fb(const struct
intel_crtc_state *crtc_state,
return -EINVAL;
}
+ /* Wa_1606054188:tgl
+ *
+ * TODO: Add format RGB64i when implemented.
+ *
+ */
+ if (IS_GEN(dev_priv, 12) &&
+ plane_state->ckey.flags & I915_SET_COLORKEY_SOURCE &&
+ intel_format_is_p01x(fb->format->format))
+ DRM_DEBUG_KMS("Source color keying not supported with P01x
formats\n");
+
return 0;
}
--
2.21.1
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