Let's introduce the WA number that is the
cause of having NV12 disabled on both SLK and BXT.
According to Spec:
WA 0870: "Display flickers with NV12 video playback in
Y tiling mode.
WA: Use YUV422 surface format instead of NV12."
v2: remove the useless dead code and consequently
avoiding device info flag. (Ville)
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.v...@intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 6 ------
drivers/gpu/drm/i915/intel_sprite.c | 1 +
2 files changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index ce60aefc14d7..360d248a59b4 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -458,9 +458,6 @@ static const struct intel_limit intel_limits_bxt = {
static void
skl_wa_clkgate(struct drm_i915_private *dev_priv, int pipe, bool enable)
{
- if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
- return;
-
if (enable)
I915_WRITE(CLKGATE_DIS_PSL(pipe),
DUPS1_GATING_DIS | DUPS2_GATING_DIS);
@@ -5227,9 +5224,6 @@ static bool needs_nv12_wa(struct drm_i915_private
*dev_priv,
if (!crtc_state->nv12_planes)
return false;
- if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
- return false;
-
if ((IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv)) ||
IS_CANNONLAKE(dev_priv))
return true;
diff --git a/drivers/gpu/drm/i915/intel_sprite.c
b/drivers/gpu/drm/i915/intel_sprite.c
index e7c95ec879cc..370c827294d8 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1868,6 +1868,7 @@ static bool skl_plane_has_planar(struct drm_i915_private
*dev_priv,
if (INTEL_GEN(dev_priv) >= 11)
return plane_id <= PLANE_SPRITE3;
+ /* Display WA #0870: skl, bxt */
if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
return false;
--
2.19.1
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