[PATCH 11/12] drm/radeon: use PCI_D3hot for PX systems without dGPU power control
Alex Deucher
alexdeucher at gmail.com
Wed Jun 1 20:53:24 UTC 2016
On PX systems without dGPU power control, use PCI_D3hot.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/radeon_drv.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 2dc43f5..ec80050 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -415,7 +415,10 @@ 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;
--
2.5.5
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