diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 0b7cdea4b9e0..ca385ed15bc6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3739,6 +3739,14 @@ static void amdgpu_device_sys_interface_fini(struct amdgpu_device *adev)
 	amdgpu_ptl_sysfs_fini(adev);
 }
 
+static bool
+amdgpu_device_should_register_switcheroo(struct amdgpu_device *adev, bool px)
+{
+	return !pci_is_thunderbolt_attached(adev->pdev) &&
+	       (px || (!dev_is_removable(&adev->pdev->dev) &&
+		       apple_gmux_detect(NULL, NULL)));
+}
+
 /**
  * amdgpu_device_init - initialize the driver
  *
@@ -4189,8 +4197,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 
 	px = amdgpu_device_supports_px(adev);
 
-	if (px || (!dev_is_removable(&adev->pdev->dev) &&
-				apple_gmux_detect(NULL, NULL)))
+	if (amdgpu_device_should_register_switcheroo(adev, px))
 		vga_switcheroo_register_client(adev->pdev,
 					       &amdgpu_switcheroo_ops, px);
 
@@ -4355,8 +4362,7 @@ void amdgpu_device_fini_sw(struct amdgpu_device *adev)
 
 	px = amdgpu_device_supports_px(adev);
 
-	if (px || (!dev_is_removable(&adev->pdev->dev) &&
-				apple_gmux_detect(NULL, NULL)))
+	if (amdgpu_device_should_register_switcheroo(adev, px))
 		vga_switcheroo_unregister_client(adev->pdev);
 
 	if (px)