[PATCH] x86: Clear isVGA flag if current fb driver is mimicking VGA

Kairui Song kasong at redhat.com
Fri May 31 02:38:25 PDT 2019

On Fri, May 31, 2019 at 5:29 PM Simon Horman <horms at verge.net.au> wrote:
> On Fri, Nov 23, 2018 at 05:28:01PM +0800, Kairui Song wrote:
> > Some device (eg. hyperv_fb) will mimic EFI (or VESA) VGA on first boot
> > up, but after the real driver is loaded, it will switch to new mode
> > and no longer compatible with EFI/VESA VGA. Keep setting
> > orig_video_isVGA to EFI/VESA VGA flag will get wrong driver loaded and
> > try to manipulate the framebuffer in a wrong way.
> >
> > As we have already take care of "VESA VGA" and "EFI VGA", just set the
> > orig_video_isVGA to 0 for any other driver reports as EFI/VESA VGA but
> > is not EFI/VESA VGA.
> >
> > Signed-off-by: Kairui Song <kasong at redhat.com>
> Sorry for letting this slip through the cracks.
> Please let me know if this is still relevant.

Hi Simon, after fb5a879 ("x86: Introduce a new option
--reuse-video-type") in kexec-tools, this patch is no longer needed.

Best Regards,
Kairui Song

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