[SeaBIOS] [PATCH 1/4] SeaVGABios/cbvga: Assume VGA compatible GPU in text-mode

Kevin O'Connor kevin at koconnor.net
Wed May 10 22:10:54 CEST 2017


On Sat, Mar 25, 2017 at 08:32:18AM +0100, Patrick Rudolph wrote:
> On Sat Mar 18 02:04:38 CET 2017, Kevin O'Connor wrote:
> >> Assume the GPU is VGA compatible when running in text-mode.
> >> Advertise VGA modes using SeaVGABios' stdvga driver.
> >> running in text mode, even when not advertised.
> >> 
> >> Allows Windows 7 to boot in 640x480 and 16 colors mode using the
> >> VgaSave driver.
> >> Allows Windows 7 to show the loading bar splash screen.
> >> 
> >> Known issues:
> >> The palette seems wrong, as colors are swapped ( blue is red, ... ).
> >
> >What graphics hardware did you test this on?
> >
> >If stdvga_set_mode() works on the hardware, why not use stdvga
> >seavgabios and get the rest of the vgabios functionality?  (That is,
> >why use cbvga seavgabios at all?)
> 
> I'm on Lenovo T500 (Intel Graphics Media Accelerator 4500MHD).
> I'm going to do some tests using stdvga instead of cbvga.

Hi Patrick,

Are you still looking at this?

-Kevin



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