Hi!
> > Ug!!! This is getting bad. Give me some time. I plan on releasing a new
> > vesafb using MMX to help speed up the drawing routines. It will help alot
> > with the latency issues. I also know using ARM assembly we can greatly
> > reduce the latency issues.
>
> There is another issue with vesafb. It tries to use an MTRR, but this
> fails for the 2.5MB region that is video RAM because 2.5MB is not a
> power of two.
>
> The console driver does not actually use 2.5MB. Does it make sense to
> use an MTRR for the smaller power-of-two region?
I had patch which tried that at one point. Just try all 2^n numbers
<= size until it succeeds.
Pavel
-- The best software in life is free (not shareware)! Pavel GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sat Mar 31 2001 - 21:00:24 EST