[Intel-gfx] [PATCH 35/71] drm/i915/chv: Implement WaDisablePartialInstShootdown:chv

ville.syrjala at linux.intel.com ville.syrjala at linux.intel.com
Wed Apr 9 12:28:33 CEST 2014


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index acaa1cf..9c4beb4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5379,6 +5379,10 @@ static void cherryview_init_clock_gating(struct drm_device *dev)
 	I915_WRITE(DSPCLK_GATE_D, VRHUNIT_CLOCK_GATE_DISABLE);
 
 	I915_WRITE(MI_ARB_VLV, MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE);
+
+	/* WaDisablePartialInstShootdown:chv */
+	I915_WRITE(GEN8_ROW_CHICKEN,
+		   _MASKED_BIT_ENABLE(PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE));
 }
 
 static void g4x_init_clock_gating(struct drm_device *dev)
-- 
1.8.3.2




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