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Commit f3f32360 authored by Michel Thierry's avatar Michel Thierry Committed by Daniel Vetter
Browse files

drm/i915/bdw: Add WaHdcDisableFetchWhenMasked 



We already have it for chv, but was missing for bdw.

Signed-off-by: default avatarMichel Thierry <michel.thierry@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 24ee0e64

drivers/gpu/drm/i915/intel_ringbuffer.c

+2 −0
Original line number Diff line number Diff line
@@ -766,9 +766,11 @@ static int bdw_init_workarounds(struct intel_engine_cs *ring) 
	 * workaround for for a possible hang in the unlikely event a TLB

	 * invalidation occurs during a PSD flush.

	 */

	/* WaHdcDisableFetchWhenMasked:bdw */

	/* WaDisableFenceDestinationToSLM:bdw (GT3 pre-production) */

	WA_SET_BIT_MASKED(HDC_CHICKEN0,

			  HDC_FORCE_NON_COHERENT |

			  HDC_DONOT_FETCH_MEM_WHEN_MASKED |

			  (IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0));



	/* Wa4x4STCOptimizationDisable:bdw */