drm/amdgpu: 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>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index f122703..7e49bf4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -417,7 +417,10 @@
pci_save_state(pdev);
pci_disable_device(pdev);
pci_ignore_hotplug(pdev);
- pci_set_power_state(pdev, PCI_D3cold);
+ if (amdgpu_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;