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path: root/drivers/gpu/drm/i915/i915_suspend.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 63d4d30..95c0582 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -620,7 +620,8 @@ static void i915_save_display(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
/* Display arbitration control */
- dev_priv->regfile.saveDSPARB = I915_READ(DSPARB);
+ if (INTEL_INFO(dev)->gen <= 4)
+ dev_priv->regfile.saveDSPARB = I915_READ(DSPARB);
/* This is only meaningful in non-KMS mode */
/* Don't regfile.save them in KMS mode */
@@ -707,7 +708,8 @@ static void i915_restore_display(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
/* Display arbitration */
- I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB);
+ if (INTEL_INFO(dev)->gen <= 4)
+ I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB);
if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
/* Display port ratios (must be done before clock is set) */