From 71dce58c8e90872d85b6d36035d4d39b41e79fdd Mon Sep 17 00:00:00 2001 From: Mika Kuoppala Date: Tue, 7 Jun 2016 17:19:14 +0300 Subject: [PATCH] drm/i915/skl: Extend WaDisableChickenBitTSGBarrierAckForFFSliceCS There is ambiguity in the documentation between D0 and E0. Extend this workaround to E0. References: BSID#779 Signed-off-by: Mika Kuoppala Reviewed-by: Matthew Auld Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-23-git-send-email-mika.kuoppala@intel.com --- drivers/gpu/drm/i915/intel_ringbuffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 9169f58..cf8d0bf 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1085,7 +1085,7 @@ static int skl_init_workarounds(struct intel_engine_cs *engine) _MASKED_BIT_ENABLE(GEN9_FFSC_PERCTX_PREEMPT_CTRL)); } - if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_D0)) { + if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_E0)) { /* WaDisableChickenBitTSGBarrierAckForFFSliceCS:skl */ I915_WRITE(FF_SLICE_CS_CHICKEN2, _MASKED_BIT_ENABLE(GEN9_TSG_BARRIER_ACK_DISABLE)); -- 2.7.4