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drm/i915: Don't program DSPCLK_GATE_D twice on IVB and VLV

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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>
This commit is contained in:
Damien Lespiau 2012-10-19 17:55:43 +01:00 committed by Daniel Vetter
parent 4d47e4f57f
commit 29de6ce574
1 changed files with 0 additions and 6 deletions
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6
drivers/gpu/drm/i915/intel_pm.c
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@ -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);