[PATCH] drm/radeon: take the mode_config mutex when dealing with hpds
alexdeucher at gmail.com
Mon May 18 20:28:47 PDT 2015
On Mon, May 18, 2015 at 11:24 PM, Dave Airlie <airlied at gmail.com> wrote:
> On 19 May 2015 at 12:27, Michel Dänzer <michel at daenzer.net> wrote:
>> On 19.05.2015 01:24, Alex Deucher wrote:
>>> @@ -96,10 +98,12 @@ static void radeon_dp_work_func(struct work_struct *work)
>>> struct drm_connector *connector;
>>> /* this should take a mutex */
>>> + mutex_lock(&mode_config->mutex);
>> This comment can be removed?
> I have vague memories of not doing this, because bad things happened.
> so keep an eye out for lockdep traces.
I tested the non-MST handling pretty extensively, but I admit I didn't
play with mst. Might be better to split this into two patches.
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