MTRR use in drivers

[Dave Airlie]

>> breaking old boxes just because, is just going to get reverted when I
>> get the first regression report that you broke old boxes.
>>
>
> Not "just because", but *if* the choice is between breaking old boxes
> and breaking new boxes I'll take the latter.
>

But Linus won't so your choice doesn't matter.

>> Andy Lutomirski just submitted a bunch of patches to clean up the DRM
>> usage of mtrrs, they are in drm-next, afaik we no longer add them on
>> PAT systems.
>
> Fantastic news.  No issue, then, and no need to break anything.

Granted I haven't tested Andy's patches on my AGP boxes, and I intend to,
if they do cause any regressions he'll be working them out :-)

Dave.