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Commit 14941b6e authored by Rodrigo Vivi's avatar Rodrigo Vivi
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drm/i915/cnl: document WaVFUnitClockGatingDisable 



No functional change. WA is already properly applied.
but in different databases it has different names.
Let's document all of them to avoid future confusion.

Cc: Rafael Antognolli <rafael.antognolli@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: default avatarRafael Antognolli <rafael.antognolli@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180306012000.18928-1-rodrigo.vivi@intel.com
parent c90c275c

drivers/gpu/drm/i915/intel_pm.c

+1 −0
Original line number Diff line number Diff line
@@ -8523,6 +8523,7 @@ static void cnl_init_clock_gating(struct drm_i915_private *dev_priv) 
	I915_WRITE(SLICE_UNIT_LEVEL_CLKGATE, val);



	/* WaDisableVFclkgate:cnl */

	/* WaVFUnitClockGatingDisable:cnl */

	val = I915_READ(UNSLICE_UNIT_LEVEL_CLKGATE);

	val |= VFUNIT_CLKGATE_DIS;

	I915_WRITE(UNSLICE_UNIT_LEVEL_CLKGATE, val);