> Petr, the Matrox card splits the memory between the two video screens
> when running in a multi-head configuration and "pretends" that it is two
> distinct cards. Thus, a 32 mb card will register an mtrr for 24mb and
> for 8mb seperately when in this mode.
That is a driver bug. The intel processors only support MTRR's on certain
power boundaries/sizes. The fall through is intended.
> to fall through, but is this correct? I've inserted a break at the end
> of the Intel switch before and have not had problems, but I left it out
Lucky
> in the latest couple of kernels because of all the mtrr work being done,
> waiting to see if there was resolution.
The Matrox driver needs to register a single 32Mb MTRR
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This archive was generated by hypermail 2b29 : Fri Dec 15 2000 - 21:00:25 EST