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Re: Minor regression with ramfb+gvt-g+edk2 with qemu 4.1
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From: |
Maxim Levitsky |
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Subject: |
Re: Minor regression with ramfb+gvt-g+edk2 with qemu 4.1 |
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Date: |
Tue, 01 Oct 2019 03:19:40 +0300 |
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