drm/i915/bxt: Add WaDisableThreadStallDopClockGating

Signed-off-by: Nick Hoath <nicholas.hoath@intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
git-mirror · May 8, 2015 · dfb601e · dfb601e
1 parent c331879
commit dfb601e
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1041,8 +1041,15 @@ static int skl_init_workarounds(struct intel_engine_cs *ring)
 
 static int bxt_init_workarounds(struct intel_engine_cs *ring)
 {
+	struct drm_device *dev = ring->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
 	gen9_init_workarounds(ring);
 
+	/* WaDisableThreadStallDopClockGating:bxt */
+	WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
+			  STALL_DOP_GATING_DISABLE);
+
 	return 0;
 }