[Intel-gfx] [PATCH 4/8] drm/i915: remove CACHE_MODE_0 save/restore

[Zhenyu Wang]

we don't use it anywhere.

Signed-off-by: Zhenyu Wang <zhenyuw at linux.intel.com>
---
 drivers/gpu/drm/i915/i915_suspend.c |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 7f00f8b..11e61a3 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -819,9 +819,6 @@ int i915_save_state(struct drm_device *dev)
 	if (IS_GEN6(dev))
 		gen6_disable_rps(dev);
 
-	/* Cache mode state */
-	dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
-
 	/* Memory Arbitration state */
 	dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);
 
@@ -867,9 +864,6 @@ int i915_restore_state(struct drm_device *dev)
 	if (IS_GEN6(dev))
 		gen6_enable_rps(dev_priv);
 
-	/* Cache mode state */
-	I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);
-
 	/* Memory arbitration state */
 	I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000);
 
-- 
1.7.4.1