Commit 38d6be81 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: only register VGA devices with the VGA arbiter 



We only need to arbitrate VGA access on VGA compatible devices.

Reviewed-by: default avatarFeifei Xu <Feifei.Xu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 95666c6c

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+4 −2
Original line number Diff line number Diff line
@@ -3346,6 +3346,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, 
	/* if we have > 1 VGA cards, then disable the amdgpu VGA resources */

	/* this will fail for cards that aren't VGA class devices, just

	 * ignore it */

	if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA)

		vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode);



	if (amdgpu_device_supports_boco(ddev))
@@ -3605,6 +3606,7 @@ void amdgpu_device_fini(struct amdgpu_device *adev) 
		vga_switcheroo_unregister_client(adev->pdev);

	if (amdgpu_device_supports_boco(adev_to_drm(adev)))

		vga_switcheroo_fini_domain_pm_ops(adev->dev);

	if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA)

		vga_client_register(adev->pdev, NULL, NULL, NULL);

	if (adev->rio_mem)

		pci_iounmap(adev->pdev, adev->rio_mem);