Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: GGI Project Unhappy On Linux | Date | 27 Mar 1998 05:07:27 GMT |
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Followup to: <Pine.LNX.3.96.980327141501.12857A-100000@canuck.gen.nz> By author: "J. S. Connell" <ankh@canuck.gen.nz> In newsgroup: linux.dev.kernel > > As Alan Cox has stated, and as I know from personal experience[1]: you can > go from a known video state to a known video state, and you can go from a > known video state to an unknown (i.e., garbage) video state. You cannot, > short of resetting the card (which typically takes a reboot), go from an > unknown state to a known state. It simply doesn't work that way. Why? > Because the people who designed the VGA video hardware were idiots (IMHO). > That's why kernel-arbitrated video mode changing is needed, and that's what > KGI is. As Varg pointed out so eloquently, KGI is a leetle teeny tiny > piece of GGI that needs to be in the kernel. The rest doesn't. >
Actually, the people who designed VGA were actually very careful to *not* make this mistake (that had previously been made in EGA); unfortunately, some of the people that copied and extended their design weren't that careful.
-hpa
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