From: Alex Deucher <alexander.deucher@xxxxxxx>
We don't support runtime pm on APUs. They support more
dynamic power savings using clock and powergating.
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Tested-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
(cherry picked from commit 85ac2021fe3ace59cc0afd6edf005abad35625b0)
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
No modifications from original commit, just sending together with other
dependency modification.
Please apply to both 5.15.y and 5.16.y.
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 ea3af6f59ca4..6be480939d3f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2144,8 +2144,10 @@ 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);
--
2.34.1
