On Tue, 2024-12-03 at 21:35 +0800, Tomita Moeko wrote:
> CAUTION: External Email!!
> Both Gemini Lake and Comet Lake are gen 9 devices. Many user reports
> on internet shows legacy mode of igd passthrough works as qemu treats
> them as gen 8 devices by default before e433f208973f ("vfio/igd:
> return an invalid generation for unknown devices").
>
Are there any user reports you can link to in the commit message?
> Signed-off-by: Tomita Moeko <tomitamoeko@gmail.com>
> ---
> hw/vfio/igd.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/hw/vfio/igd.c b/hw/vfio/igd.c
> index b5bfdc6580..7f389de7ac 100644
> --- a/hw/vfio/igd.c
> +++ b/hw/vfio/igd.c
> @@ -80,8 +80,10 @@ static int igd_gen(VFIOPCIDevice *vdev)
> case 0x2200: /* Cherryview */
> return 8;
> case 0x1900: /* Skylake */
> + case 0x3100: /* Gemini Lake */
> case 0x5900: /* Kaby Lake */
> case 0x3e00: /* Coffee Lake */
> + case 0x9B00: /* Comet Lake */
> return 9;
> case 0x4500: /* Elkhart Lake */
> return 11;
Reviewed-by: Corvin Köhne <c.koehne@beckhoff.com>