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| author | Damien Lespiau <damien.lespiau@intel.com> | 2014-03-26 16:55:46 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-24 14:57:28 +0200 |
| commit | acd5c3464038a550359433362055849e83351d89 (patch) | |
| tree | 698bb657f448f69f99dedfbaa9bcc3591a2c7c36 | |
| parent | e7e7ea20297afae464bb7da69a2e4c67d1d2b354 (diff) | |
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>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index fa87f1ec44ec..81465e65e876 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -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) |