Re: [PATCH] matroxfb big-endian update (was Re: [PATCH] ppc64: Fix __raw_* IO accessors)

Benjamin Herrenschmidt
2004-09-25T01:43:19Z

On Fri, 2004-09-24 at 19:53, Petr Vandrovec wrote:

> XFree 3.x did not touch BE mode bit and accessed MMIO directly with pointer
> dereference (expecting firmware to put card into BE mode?), while XFree 4.x (if
> I understand code properly) does not touch BE bit on primary device
> (while it clears it on secondary devices) while expecting hardware to be
> in LE mode...
>
> So I'm either confused, or XF3 needs BE_ACCEL set while XF4 needs BE_ACCEL
> disabled. Does anybody actually use matroxfb with XFree server on PPC (or any
> other BE machine) at all?

People here tend to put a radeon card in their pSeries and forget about
the matrox one it seems :) I'll have a look next week.

Ben.