diff mbox series

[2/2] drm/amdgpu: only check for _PR3 on dGPUs

Message ID 20220329014952.471-2-mario.limonciello@amd.com
State New
Headers show
Series None | expand

Commit Message

Mario Limonciello March 29, 2022, 1:49 a.m. UTC 
From: Alex Deucher <alexander.deucher@amd.com>

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>
(cherry picked from commit 85ac2021fe3ace59cc0afd6edf005abad35625b0)
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
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 mbox series

Patch

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);