From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Date: Mon, 5 Mar 2018 17:20:00 -0800
Subject: drm/i915/cnl: document WaVFUnitClockGatingDisable
Git-commit: 14941b6e86873680714aae2fee0b529024c63380
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

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: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rafael Antognolli <rafael.antognolli@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180306012000.18928-1-rodrigo.vivi@intel.com

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/i915/intel_pm.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -8523,6 +8523,7 @@ static void cnl_init_clock_gating(struct
 	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);