i915: send D1 opregion notification

The opregion notification for runtime suspend is currently D1, not D3.

Signed-off-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index ca11cc8..04f1f02 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -922,7 +922,15 @@ static int i915_runtime_suspend(struct device *device)
 
        del_timer_sync(&dev_priv->gpu_error.hangcheck_timer);
        dev_priv->pm.suspended = true;
-       intel_opregion_notify_adapter(dev, PCI_D3cold);
+
+       /*
+        * current versions of firmware which depend on this opregion
+        * notification have repurposed the D1 definition to mean
+        * "runtime suspended" vs. what you would normally expect (D3)
+        * to distinguish it from notifications that might be sent
+        * via the suspend path.
+        */
+       intel_opregion_notify_adapter(dev, PCI_D1);
 
        return 0;
 }