From: Alex Deucher Date: Wed, 1 Jun 2016 17:12:25 +0000 (-0400) Subject: drm/amdgpu: use PCI_D3hot for PX systems without dGPU power control X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7e32aa611ba685b58d013da4df5d0a0f132b8f25;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Acked-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index f122703cd2ca..7e49bf450b9c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -417,7 +417,10 @@ static int amdgpu_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 (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;