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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>
This commit is contained in:
Damien Lespiau 2013-06-07 17:41:09 +01:00 committed by Daniel Vetter
parent 4bb353343d
commit f1e8fa56fd
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/i915/intel_pm.c
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@ -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;