[PATCH] drm/i915/gen9: Implement WaDisableKillLogic for gen 9

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Signed-off-by: Nick Hoath <nicholas.hoath@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_gem.c | 2 +-
 drivers/gpu/drm/i915/i915_reg.h | 1 +
 drivers/gpu/drm/i915/intel_pm.c | 4 ++++
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 709b3c7..71ef18c 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2880,7 +2880,7 @@ i915_gem_retire_requests_ring(struct intel_engine_cs *ring)
 			spin_lock_irqsave(&ring->execlist_lock, flags);
 
 			if (ctx_obj && (ctx != ring->default_context))
-				intel_lr_context_unpin(ring, ctx);
+				intel_lr_context_unpin(request);
 
 			intel_runtime_pm_put(dev_priv);
 			spin_unlock_irqrestore(&ring->execlist_lock, flags);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 059de0f..afa8972 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -160,6 +160,7 @@
 #define GAM_ECOCHK			0x4090
 #define   BDW_DISABLE_HDC_INVALIDATION	(1<<25)
 #define   ECOCHK_SNB_BIT		(1<<10)
+#define   ECOCHK_DIS_TLB		(1<<8)
 #define   HSW_ECOCHK_ARB_PRIO_SOL	(1<<6)
 #define   ECOCHK_PPGTT_CACHE64B		(0x3<<3)
 #define   ECOCHK_PPGTT_CACHE4B		(0x0<<3)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index f2be1ce..6986342 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -59,6 +59,10 @@ static void gen9_init_clock_gating(struct drm_device *dev)
 	/* WaEnableLbsSlaRetryTimerDecrement:skl */
 	I915_WRITE(BDW_SCRATCH1, I915_READ(BDW_SCRATCH1) |
 		   GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE);
+
+	/* WaDisableKillLogic:bxt,skl */
+	I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |
+		   ECOCHK_DIS_TLB);
 }
 
 static void skl_init_clock_gating(struct drm_device *dev)
-- 
2.1.1

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