drm/i915: Disable GGTT PTEs on GEN6+ suspend

[~andy/linux] / drivers / gpu / drm / i915 / i915_drv.c

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 69d8ed5416c31b2e80538fabec553e333fd741ea..2ad27880cd047bc93cf119784895040eeafc3bae 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -505,6 +505,8 @@ static int i915_drm_freeze(struct drm_device *dev)
                intel_modeset_suspend_hw(dev);
        }
 
+       i915_gem_suspend_gtt_mappings(dev);
+
        i915_save_state(dev);
 
        intel_opregion_fini(dev);
@@ -648,7 +650,8 @@ static int i915_drm_thaw(struct drm_device *dev)
                mutex_lock(&dev->struct_mutex);
                i915_gem_restore_gtt_mappings(dev);
                mutex_unlock(&dev->struct_mutex);
-       }
+       } else if (drm_core_check_feature(dev, DRIVER_MODESET))
+               i915_check_and_clear_faults(dev);
 
        __i915_drm_thaw(dev);