Commit fa9d38f6 authored Mar 29, 2019 by Radhakrishna Sripada Committed by Ville Syrjälä Apr 12, 2019

drm/i915: Fix the inconsistent RMW in WA 827



RMW is used only in the disable path. Using it in enable path
for consistency.

Suggested-by: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190330011921.10397-2-radhakrishna.sripada@intel.com

parent 2474028e

drivers/gpu/drm/i915/intel_display.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -481,6 +481,7 @@ skl_wa_827(struct drm_i915_private *dev_priv, int pipe, bool enable)
		{
		if (enable)
		I915_WRITE(CLKGATE_DIS_PSL(pipe),
		I915_READ(CLKGATE_DIS_PSL(pipe)) \|
		DUPS1_GATING_DIS \| DUPS2_GATING_DIS);
		else
		I915_WRITE(CLKGATE_DIS_PSL(pipe),