Commit 83a24979 authored Apr 10, 2015 by Nick Hoath Committed by Daniel Vetter May 08, 2015

drm/i915/bxt: Add WaForceContextSaveRestoreNonCoherent



Note that we also need this for skl.

Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
[danvet: Note that we also need this for skl, requested by Imre.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent f1d3d34d

drivers/gpu/drm/i915/intel_ringbuffer.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1057,6 +1057,10 @@ static int bxt_init_workarounds(struct intel_engine_cs *ring)
		GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
		}

		/* WaForceContextSaveRestoreNonCoherent:bxt */
		WA_SET_BIT_MASKED(HDC_CHICKEN0,
		HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT);

		return 0;
		}