From: Maxim Levitsky <mlevitsk@redhat.com>
To: qemu-devel@nongnu.org
Cc: Gerd Hoffmann <ghoffman@redhat.com>
Subject: Re: Minor regression with ramfb+gvt-g+edk2 with qemu 4.1
Date: Tue, 01 Oct 2019 03:19:40 +0300 [thread overview]
Message-ID: <61a62a82212ac52ab80ef7732892d6cc5a1214af.camel@redhat.com> (raw)
In-Reply-To: <a7333a681f4e163ee72167e3739e5176f1d5ae7c.camel@redhat.com>
On Thu, 2019-09-26 at 13:51 +0300, Maxim Levitsky wrote:
> Hi!
>
> I noticed that with qemu 4.1, when I try to open the
> UEFI bios screen, the screen output is garbaged.
>
> Basicaly what happens is this:
>
> ramfb driver inside the uefi bios is hardcoded to initialize
> the resolution to 800x600
>
> Then when you enter the BIOS screen, it switches the resolution
> to the 'preferred resolution' which by default is 640x480
>
> However since commit a9e0cb67b7f4c485755659f9b764c38b5f970de4,
> ramfb resolution is locked once it is set once, thus,
> the switch to 640x480 is ignored.
>
> Best regards,
> Maxim Levitsky
Ping!
Best regards,
Maxim Levitsky
prev parent reply other threads:[~2019-10-01 0:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-26 10:51 Minor regression with ramfb+gvt-g+edk2 with qemu 4.1 Maxim Levitsky
2019-10-01 0:19 ` Maxim Levitsky [this message]
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