[git pull] drm fixes

[Paul Bolle]

On Fri, 2015-03-13 at 12:36 +0100, Paul Bolle wrote:
> Dave Airlie schreef op vr 06-03-2015 om 21:52 [+0000]:
> > Thierry Reding (1):
> >       drm/mm: Support 4 GiB and larger ranges
> 
> Yesterday the screen on my (outdated) ThinkPad X41 went, well, black
> while it was busy compiling something unattended. I eventually had to
> power cycle that laptop to regain control. I found a drm related BUG()
> in the logs (pasted at the end of the message).
> 
> I only have three months worth of logs (a diagnoising session pushed
> most of the logs into /dev/null a few weeks ago). But this is the only
> time I saw that BUG in that period. Now that commit is the last thing
> touching that code, and the various unsigned long to u64 conversions
> _might_ just have gone wrong for 32 bits. I didn't spot anything utterly
> obvious in that commit, but point a finger at it just in case.

Surely fixed by commit 046d669c62f3 ("[PATCH] drm/mm: Fix support 4 GiB
and larger ranges"). It corrects a mistake introduced by the commit
quoted above. So at least I pointed a finger at the right commit.

Thanks,


Paul Bolle