My framebuffer fixes are part SeaBIOS 1.11.0 stable.
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https://bugs.launchpad.net/bugs/1530530
Title:
Installer doesn't show up on some Chromebooks: "Error setting up
gfxboot"
To mana
If you mind adding a workaround for broken VGABIOS, yes that's the
solution.
Please note that the bpp is correctly advertised in SeaBios git.
With the next stable release this issue will be fixed, too.
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Fixed by https://github.com/openSUSE/gfxboot/pull/25
Tested on real hardware.
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https://bugs.launchpad.net/bugs/1530530
Title:
Installer doesn't show up on some Chromebooks: "Error sett
My patches made it into SeaBios git.
Following points are fixed:
* Advertise 32bpp instead of 24bpp
* Advertise additional VBE modes
I tried your examples but I'm not sure what they want to show, and
pressing ESC doesn't work. It looks like it crashes.
Is there anything I can help at ?
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You r
(In reply to Steffen Winterfeldt from comment #29)
> > SeaVGABios advertises 24bpp as the panel does support 24bpp, even though the
> > VBE format should be 32bpp. I'll send a fix to SeaBIOS.
>
> Uhm, is there a way to detect this situation? Like, add at least the color
> mask
> bits up to 32?
Yes
I found another issue:
I tested KDE Neon Live DVD. It does not boot because the code checks additional
window attributes:
mov dx,[es:edi+2] ; win A/B attributes
and dx,707h
cmp dl,7
jz set_mode_50 ; win A is rw
You are right.
I got confused looking at the code:
pixel_bits db 0; pixel size (8 or 16)
color_bits db 0; color bits (8, 15 or 16)
This should be fixed.
SeaVGABios advertises 24bpp as the panel does support 24bpp, even though
the VBE format should
gfxboot doesn't support 24bpp or 32bpp.
The only mode that is supported by coreboot's native graphics
initialization is 32bpp.
As the graphics initialization is done by coreboot, the pixel format
can't be changed in (Sea)VGABIOS.
I'm working on supporting multiple resolutions, but the main probl
