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From: Gerd Hoffmann <kraxel@redhat.com>
To: Vitaly Chipounov <vitaly@cyberhaven.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH] hw/display/virtio-vga: made vga memory size configurable
Date: Wed, 17 Mar 2021 07:45:03 +0100	[thread overview]
Message-ID: <20210317064503.wj7zgpvztnps6jck@sirius.home.kraxel.org> (raw)
In-Reply-To: <CACjSjctXNbdX=Kiu6oQ+R6c2nee4mYm0oO0HWS207AWz864ouw@mail.gmail.com>

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



      reply	other threads:[~2021-03-17  6:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-14 12:23 [PATCH] hw/display/virtio-vga: made vga memory size configurable vitaly
2021-03-14 12:45 ` BALATON Zoltan
2021-03-14 12:50   ` Vitaly Chipounov
2021-03-15  7:21 ` Gerd Hoffmann
2021-03-15 11:29   ` Vitaly Chipounov
2021-03-15 15:24     ` Gerd Hoffmann
2021-03-16 19:51       ` Vitaly Chipounov
2021-03-17  6:45         ` Gerd Hoffmann [this message]

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