From: Damien Lespiau <damien.lespiau@intel.com>
Date: Fri, 7 Jun 2013 16:41:09 +0000 (+0100)
Subject: drm/i915: We implement WaFbcDisableDpfcClockGating on ilk
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f1e8fa56fd650e0a23f64afdf59f3907d9a89615;p=linux-beck.git

drm/i915: We implement WaFbcDisableDpfcClockGating on ilk

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index d212e42638d9..9b95f78d352a 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4416,7 +4416,10 @@ static void ironlake_init_clock_gating(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	uint32_t dspclk_gate = ILK_VRHUNIT_CLOCK_GATE_DISABLE;
 
-	/* Required for FBC */
+	/*
+	 * Required for FBC
+	 * WaFbcDisableDpfcClockGating:ilk
+	 */
 	dspclk_gate |= ILK_DPFCRUNIT_CLOCK_GATE_DISABLE |
 		   ILK_DPFCUNIT_CLOCK_GATE_DISABLE |
 		   ILK_DPFDUNIT_CLOCK_GATE_ENABLE;