[PATCH v2] i915: send D1 opregion notification

Kristen Carlson Accardi
2014-01-14T23:36:51Z

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

Signed-off-by: Kristen Carlson Accardi <kristen@linux.intel.com>
---
drivers/gpu/drm/i915/i915_drv.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 61fb9fc..5a26d76 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -925,7 +925,15 @@ 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;
}
--
1.8.3.2