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drm/radeon: use PCI_D3hot for PX systems without dGPU power control 

On PX systems without dGPU power control, use PCI_D3hot.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-06-01 15:07:44 -04:00
parent e1052b35f4
commit f7ea418972
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/radeon/radeon_drv.c
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@ -407,7 +407,10 @@ static int radeon_pmops_runtime_suspend(struct device *dev)
pci_save_state(pdev);
pci_disable_device(pdev);
pci_ignore_hotplug(pdev);
pci_set_power_state(pdev, PCI_D3cold);
if (radeon_has_atpx_dgpu_power_cntl())
pci_set_power_state(pdev, PCI_D3cold);
else
pci_set_power_state(pdev, PCI_D3hot);
drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
return 0;