Disabling polling in drm_helper

[Daniel Vetter]

On Tue, Apr 23, 2013 at 8:47 PM, Mike Verstegen
<mikev at athletesperformance.com> wrote:
>> -----Original Message-----
>> From: Daniel Vetter [mailto:daniel.vetter at ffwll.ch] On Behalf Of Daniel Vetter
>> On Tue, Apr 23, 2013 at 01:16:16AM +0000, Mike Verstegen wrote:
>> > I'm troubleshooting an interesting problem where the
>> > i915_hotplug_work_func is eating up a lot of time in a couple of
>> > kworker threads. The interesting part of the problem is that this only
>> > happens with one particular model of monitor which I haven't gotten to
>> > the bottom of yet. But that's not the problem I'm trying  to resolve.
>>
>> This should be fixed in latest drm-next. Can you please test that?
>>
> I'd be glad to test, but that may be a bit over my skill level.  How could I help with testing drm-next?
> In my original message, I forgot to include that this is a Centos 6.4 system with a 3.5.3 kernel.

Google a good howto for installing a kernel from source for your
distro (I suggest using something which creates a real rpm for easy
un-installing). Then check out the below howto for git:

http://blog.ffwll.ch/2012/05/git-for-bug-reporters.html

And use that to download&install the drm-next branch from
git://people.freedesktop.org/~airlied/linux

Cheers, Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch