drm/i915/chv: Implement WaDisablePartialInstShootdown:chv

Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 15eb29cd3ee382fd8b5e083df7d2e85534313326..cb6deaf126a0b8f0d94ad8498bf554ab62f9f6e6 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5375,6 +5375,10 @@ 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)