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>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index ca11cc854e78..04f1f02c4019 100644
--- 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;
 }