[AMD Official Use Only - Internal Distribution Only] Reviewed-by: Feifei Xu <[email protected]>
-----Original Message----- From: amd-gfx <[email protected]> On Behalf Of Alex Deucher Sent: Friday, November 20, 2020 10:55 PM To: [email protected] Cc: Deucher, Alexander <[email protected]> Subject: [PATCH] drm/amdgpu: only register VGA devices with the VGA arbiter We only need to arbitrate VGA access on VGA compatible devices. Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 2f60b7084f4d..2670fb113ba1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3346,7 +3346,8 @@ 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 */ -vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode); +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)) boco = true; @@ -3605,7 +3606,8 @@ 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); -vga_client_register(adev->pdev, NULL, NULL, NULL); +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); adev->rio_mem = NULL; -- 2.25.4 _______________________________________________ amd-gfx mailing list [email protected] https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7CFeifei.Xu%40amd.com%7C8eac65802c2841a4016408d88d645737%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637414809390017528%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=4YGYTXm%2FY8MAQiqs4QJ1MUIcy2%2F4waucDrIeob63ogk%3D&reserved=0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
