From: Kerem Karabay <kekrby@xxxxxxxxx>
Commit 3840c5bcc245 ("drm/amdgpu: disentangle runtime pm and
vga_switcheroo") made amdgpu only register a vga_switcheroo client for
GPU's with PX, however AMD GPUs in dual gpu Apple Macbooks do need to
register, but don't have PX. Instead of AMD's PX, they use apple-gmux.
Revert to the old logic of registering for all non-thunderbolt gpus,
like radeon and nouveau.
Fixes: 3840c5bcc245 ("drm/amdgpu: disentangle runtime pm and vga_switcheroo")
Signed-off-by: Kerem Karabay <kekrby@xxxxxxxxx>
[Orlando Chamberlain <orlandoch.dev@xxxxxxxxx>: add commit description]
Signed-off-by: Orlando Chamberlain <orlandoch.dev@xxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 2f28a8c02f64..0bb553a61552 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3919,12 +3919,13 @@ int amdgpu_device_init(struct amdgpu_device *adev,
if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA)
vga_client_register(adev->pdev, amdgpu_device_vga_set_decode);
- if (amdgpu_device_supports_px(ddev)) {
- px = true;
- vga_switcheroo_register_client(adev->pdev,
- &amdgpu_switcheroo_ops, px);
+ px = amdgpu_device_supports_px(ddev);
+
+ if (!pci_is_thunderbolt_attached(adev->pdev))
+ vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, px);
+
+ if (px)
vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain);
- }
if (adev->gmc.xgmi.pending_reset)
queue_delayed_work(system_wq, &mgpu_info.delayed_reset_work,
@@ -4048,10 +4049,13 @@ void amdgpu_device_fini_sw(struct amdgpu_device *adev)
kfree(adev->bios);
adev->bios = NULL;
- if (amdgpu_device_supports_px(adev_to_drm(adev))) {
+
+ if (!pci_is_thunderbolt_attached(adev->pdev))
vga_switcheroo_unregister_client(adev->pdev);
+
+ if (amdgpu_device_supports_px(adev_to_drm(adev)))
vga_switcheroo_fini_domain_pm_ops(adev->dev);
- }
+
if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA)
vga_client_unregister(adev->pdev);
--
2.39.1
