From 29de6ce574870a0d3fd157afdbf51c0282e2bf63 Mon Sep 17 00:00:00 2001
From: Damien Lespiau <damien.lespiau@intel.com>
Date: Fri, 19 Oct 2012 17:55:43 +0100
Subject: [PATCH] drm/i915: Don't program DSPCLK_GATE_D twice on IVB and VLV
We were programming register 0x42020 twice on those platforms. Once
should be enough.
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>
---
drivers/gpu/drm/i915/intel_pm.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index a0804ebdfd68e..30ae8f55a45ab 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3498,11 +3498,8 @@ static void ivybridge_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe;
- uint32_t dspclk_gate = ILK_VRHUNIT_CLOCK_GATE_DISABLE;
uint32_t snpcr;
- I915_WRITE(ILK_DSPCLK_GATE_D, dspclk_gate);
-
I915_WRITE(WM3_LP_ILK, 0);
I915_WRITE(WM2_LP_ILK, 0);
I915_WRITE(WM1_LP_ILK, 0);
@@ -3580,9 +3577,6 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe;
- uint32_t dspclk_gate = ILK_VRHUNIT_CLOCK_GATE_DISABLE;
-
- I915_WRITE(ILK_DSPCLK_GATE_D, dspclk_gate);
I915_WRITE(WM3_LP_ILK, 0);
I915_WRITE(WM2_LP_ILK, 0);
--
2.30.2