Re: [-next 4/5] drm/virgpu: Switch to pci_is_vga()

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In subject: "drm/virtio" to match previous history.

On Wed, Aug 30, 2023 at 07:15:31PM +0800, Sui Jingfeng wrote:
> From: Sui Jingfeng <suijingfeng@xxxxxxxxxxx>
> 
> Should be no functional change, just for cleanup purpose.
> 
> Cc: David Airlie <airlied@xxxxxxxxxx>
> Cc: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> Cc: Gurchetan Singh <gurchetansingh@xxxxxxxxxxxx>
> Cc: Chia-I Wu <olvaffe@xxxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Signed-off-by: Sui Jingfeng <suijingfeng@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/virtio/virtgpu_drv.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c
> index add075681e18..3a368304475a 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_drv.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c
> @@ -51,7 +51,7 @@ static int virtio_gpu_pci_quirk(struct drm_device *dev)
>  {
>  	struct pci_dev *pdev = to_pci_dev(dev->dev);
>  	const char *pname = dev_name(&pdev->dev);
> -	bool vga = (pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA;
> +	bool vga = pci_is_vga(pdev);

This *is* a functional change: Previously "vga" was only true for
PCI_CLASS_DISPLAY_VGA (0x0300).  Now it will be true for both
PCI_CLASS_DISPLAY_VGA (0x0300) and PCI_CLASS_DISPLAY_OTHER (0x0380).

Is that desirable?  I can't tell.  Maybe the GPU folks will chime in.

>  	int ret;
>  
>  	DRM_INFO("pci: %s detected at %s\n",
> -- 
> 2.34.1
> 
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