diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 3538370..a088f1f 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -369,7 +369,8 @@ int i915_save_state(struct drm_device *dev) intel_disable_gt_powersave(dev); /* Cache mode state */ - dev_priv->regfile.saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); + if (INTEL_INFO(dev)->gen < 7) + dev_priv->regfile.saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); /* Memory Arbitration state */ dev_priv->regfile.saveMI_ARB_STATE = I915_READ(MI_ARB_STATE); @@ -418,7 +419,9 @@ int i915_restore_state(struct drm_device *dev) } /* Cache mode state */ - I915_WRITE(CACHE_MODE_0, dev_priv->regfile.saveCACHE_MODE_0 | 0xffff0000); + if (INTEL_INFO(dev)->gen < 7) + I915_WRITE(CACHE_MODE_0, dev_priv->regfile.saveCACHE_MODE_0 | + 0xffff0000); /* Memory arbitration state */ I915_WRITE(MI_ARB_STATE, dev_priv->regfile.saveMI_ARB_STATE | 0xffff0000); |