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

[Benjamin Herrenschmidt]

> 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.

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.


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