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drm/amdgpu: only check for _PR3 on dGPUs

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commit 85ac2021fe3ace59cc0afd6edf005abad35625b0 upstream.

We don't support runtime pm on APUs.  They support more
dynamic power savings using clock and powergating.

Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Deucher 2022-01-25 15:04:54 -05:00 committed by Greg Kroah-Hartman
parent 0884abb259
commit fe953e0f77
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -2178,8 +2178,10 @@ 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);