From 85ac2021fe3ace59cc0afd6edf005abad35625b0 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 25 Jan 2022 15:04:54 -0500 Subject: [PATCH] drm/amdgpu: only check for _PR3 on dGPUs We don't support runtime pm on APUs. They support more dynamic power savings using clock and powergating. Reviewed-by: Mario Limonciello Tested-by: Mario Limonciello Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index ddc5cd61af58..1b313a95c7e5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2159,8 +2159,10 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) !pci_is_thunderbolt_attached(to_pci_dev(dev->dev))) adev->flags |= AMD_IS_PX; - parent = pci_upstream_bridge(adev->pdev); - adev->has_pr3 = parent ? pci_pr3_present(parent) : false; + if (!(adev->flags & AMD_IS_APU)) { + parent = pci_upstream_bridge(adev->pdev); + adev->has_pr3 = parent ? pci_pr3_present(parent) : false; + } amdgpu_amdkfd_device_probe(adev); -- GitLab