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drm/i915: Remove WaFbcDisableDpfcClockGating on IVB

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Production IVB does not need it. I confirmed this with Art.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2013-10-24 09:59:11 -07:00 committed by Daniel Vetter
parent 153b4b9547
commit a74b0c4815
1 changed files with 0 additions and 10 deletions
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10
drivers/gpu/drm/i915/intel_pm.c
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@ -254,12 +254,6 @@ static void ironlake_disable_fbc(struct drm_device *dev)
dpfc_ctl &= ~DPFC_CTL_EN;
I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl);
if (IS_IVYBRIDGE(dev))
/* WaFbcDisableDpfcClockGating:ivb */
I915_WRITE(ILK_DSPCLK_GATE_D,
I915_READ(ILK_DSPCLK_GATE_D) &
~ILK_DPFCUNIT_CLOCK_GATE_DISABLE);
if (IS_HASWELL(dev))
/* WaFbcDisableDpfcClockGating:hsw */
I915_WRITE(HSW_CLKGATE_DISABLE_PART_1,
@ -295,10 +289,6 @@ static void gen7_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
if (IS_IVYBRIDGE(dev)) {
/* WaFbcAsynchFlipDisableFbcQueue:ivb */
I915_WRITE(ILK_DISPLAY_CHICKEN1, ILK_FBCQ_DIS);
/* WaFbcDisableDpfcClockGating:ivb */
I915_WRITE(ILK_DSPCLK_GATE_D,
I915_READ(ILK_DSPCLK_GATE_D) |
ILK_DPFCUNIT_CLOCK_GATE_DISABLE);
} else {
/* WaFbcAsynchFlipDisableFbcQueue:hsw */
I915_WRITE(HSW_PIPE_SLICE_CHICKEN_1(intel_crtc->pipe),