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Re: [PATCH] hw/display/virtio-vga: made vga memory size configurable
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From: |
Gerd Hoffmann |
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Subject: |
Re: [PATCH] hw/display/virtio-vga: made vga memory size configurable |
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Date: |
Wed, 17 Mar 2021 07:45:03 +0100 |
On Tue, Mar 16, 2021 at 08:51:21PM +0100, Vitaly Chipounov wrote:
> On Mon, Mar 15, 2021 at 4:24 PM Gerd Hoffmann <kraxel@redhat.com> wrote:
> >
> > On Mon, Mar 15, 2021 at 12:29:16PM +0100, Vitaly Chipounov wrote:
> > > On Mon, Mar 15, 2021 at 8:21 AM Gerd Hoffmann <kraxel@redhat.com> wrote:
> > > >
> > > > If your guest has no virtio driver use stdvga instead of running
> > > > virtio-vga permanently in vga compatibility mode.
> > >
> > > I tried -device VGA,vgamem_mb=32. I did not see any resolution above
> > > 1080p on a Windows 10 guest.
> >
> > Try "-device VGA,vgamem_mb=32,edid=off". Windows seems to not like our
> > edid block for some reason.
> >
>
> This worked, thanks for the tip. Regarding the patch, I can resubmit
> it with an amended commit message if people think it's still better to
> have a configurable memory size here.
Given that the vram is used for vga compatibility only and not used any
more once the virtio-gpu driver initialized the device I don't think
this should be configurable.
take care,
Gerd