diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index b0bd9bb6676e060394b10cce87be918e61e4692d..7ef9a29405cdb44e7ce1027a563935f37db69bfa 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -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; }