提交 e0d34ce7 编写于 作者: R Rafael Barbalho 提交者: Daniel Vetter

drm/i915/chv: Implement WaDisableSamplerPowerBypass for CHV

Cherryview also needs this WA.
Signed-off-by: NRafael Barbalho <rafael.barbalho@intel.com>
[vsyrjala: Looks like it's for pre-prodution hw only]
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: NPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
上级 b3f797ac
......@@ -5401,6 +5401,10 @@ static void cherryview_init_clock_gating(struct drm_device *dev)
/* WaDisableSDEUnitClockGating:chv */
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
/* WaDisableSamplerPowerBypass:chv (pre-production hw) */
I915_WRITE(HALF_SLICE_CHICKEN3,
_MASKED_BIT_ENABLE(GEN8_SAMPLER_POWER_BYPASS_DIS));
}
static void g4x_init_clock_gating(struct drm_device *dev)
......
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