Re: [PATCH 1/5]: drm: ati_pcigart: Do not access I/O MEM spaceusing pointer derefs.

[Benjamin Herrenschmidt]

On Fri, 2009-02-13 at 08:26 +1100, Benjamin Herrenschmidt wrote:
> > 1) The kernel radeon framebuffer driver doesn't mess with
> >    the framebuffer endianness setting.
> > 
> > 2) On >= R300 (which my chip is), Xorg leaves it alone too.
> 
> They leave alone the swapper of the engine, not the fb one
> (SURFACE_CNTL) afaik.

Though actually if you stick to 8bpp, the default, the swapper will be
off in radeonfb.

> I dbl checked the other day and it seems that we setup the GART before
> we whack it tho but it might be an issue in conjunction with radeonfb
> (ie, I don't have radeonfb on my test embedded boards as I rely on X to
> POST the cards using ATOMBIOS).
> 
> Cheers,
> Ben.
> 

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/