From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Date: Wed, 31 Oct 2018 16:28:45 +0000 (-0700)
Subject: drm/i915: Remove CNL from WA 827
X-Git-Tag: for-linus-20190104~57^2~17^2~134
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=1347d3ce5bbb6c0c6a266a0add190725a94f9efb;p=linux-block.git

drm/i915: Remove CNL from WA 827

CNL A stepping was the only affected there.
But also it is time to clean old pre-production
CNL Workarounds, so let's just remove and clean
this W/A.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181031162845.12419-4-rodrigo.vivi@intel.com
---

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f88dac81a915..3618d3affc89 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5224,8 +5224,8 @@ static bool needs_nv12_wa(struct drm_i915_private *dev_priv,
 	if (!crtc_state->nv12_planes)
 		return false;
 
-	if ((IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv)) ||
-	    IS_CANNONLAKE(dev_priv))
+	/* WA Display #0827: Gen9:all */
+	if (IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv))
 		return true;
 
 	return false;