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drm/i915/skl: send opregion_nofify_adapter(PCI_D1) instead of PCI_D3

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I was told that the "repurposed D1 definition" is still valid for SKL.
It is BDW that is special due to its hotplug bug, so let's
special-case BDW instead of HSW.

Cc: Kristen Carlson Accardi <kristen@linux.intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2015-07-30 18:20:29 -03:00 committed by Daniel Vetter
parent dcddab3aa0
commit d37ae19a6c
1 changed files with 9 additions and 11 deletions
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20
drivers/gpu/drm/i915/i915_drv.c
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@ -1489,7 +1489,15 @@ static int intel_runtime_suspend(struct device *device)
* FIXME: We really should find a document that references the arguments
* used below!
*/
if (IS_HASWELL(dev)) {
if (IS_BROADWELL(dev)) {
/*
* On Broadwell, if we use PCI_D1 the PCH DDI ports will stop
* being detected, and the call we do at intel_runtime_resume()
* won't be able to restore them. Since PCI_D3hot matches the
* actual specification and appears to be working, use it.
*/
intel_opregion_notify_adapter(dev, PCI_D3hot);
} else {
/*
* current versions of firmware which depend on this opregion
* notification have repurposed the D1 definition to mean
@ -1498,16 +1506,6 @@ static int intel_runtime_suspend(struct device *device)
* the suspend path.
*/
intel_opregion_notify_adapter(dev, PCI_D1);
} else {
/*
* On Broadwell, if we use PCI_D1 the PCH DDI ports will stop
* being detected, and the call we do at intel_runtime_resume()
* won't be able to restore them. Since PCI_D3hot matches the
* actual specification and appears to be working, use it. Let's
* assume the other non-Haswell platforms will stay the same as
* Broadwell.
*/
intel_opregion_notify_adapter(dev, PCI_D3hot);
}
assert_forcewakes_inactive(dev_priv);