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drm/i915/skl: Implement WaDisableSDEUnitClockGating:skl 

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-03-26 16:55:46 +00:00 committed by Daniel Vetter
parent e7e7ea2029
commit acd5c34640
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/intel_pm.c
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@ -68,6 +68,14 @@
static void gen9_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
/*
* WaDisableSDEUnitClockGating:skl
* This seems to be a pre-production w/a.
*/
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
}
static void i8xx_disable_fbc(struct drm_device *dev)