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 f88dac8..3618d3a 100644 (file)
--- 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;