[PATCH 07/10] drm/i915/chv: CHV doesn't need WaRsForcewakeWaitTC0

From: deepak.s@linux.intel.com
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 07/10] drm/i915/chv: CHV doesn't need WaRsForcewakeWaitTC0
Date: Mon, 21 Apr 2014 13:34:11 +0530	[thread overview]
Message-ID: <1398067454-7581-8-git-send-email-deepak.s@linux.intel.com> (raw)
In-Reply-To: <1398067454-7581-2-git-send-email-deepak.s@linux.intel.com>

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Skip __gen6_gt_wait_for_thread_c0() on CHV.

Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_uncore.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index f1264e2..b0f0651 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -229,8 +229,8 @@ static void __vlv_force_wake_get(struct drm_i915_private *dev_priv,
 	}
 
 	/* WaRsForcewakeWaitTC0:vlv */
-	__gen6_gt_wait_for_thread_c0(dev_priv);
-
+	if (!IS_CHERRYVIEW(dev_priv->dev))
+		__gen6_gt_wait_for_thread_c0(dev_priv);
 }
 
 static void __vlv_force_wake_put(struct drm_i915_private *dev_priv,
-- 
1.9.1

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