Am 25.02.2015 23:02, schrieb Dave Airlie:
> On 26 February 2015 at 06:22, Alex Deucher <alexdeucher at gmail.com>
> wrote:
>> On Tue, Feb 24, 2015 at 11:20 PM, Dieter Nützel <Dieter at nuetzel-hh.de>
>> wrote:
>>> Hello Alex,
>>>
>>> I get this in dmesg:
>>>
>>> [ 26.001926] [drm:radeon_atom_pick_dig_encoder [radeon]] *ERROR*
>>> chosen
>>> encoder in use 4
>>>
>>> What do you need?
>>
>> The message is harmless I think. It's just debugging output from the
>> DP MST patches. I think what's happening is that when you change the
>> mode on an encoder that is already enabled, it see that the encoder is
>> already in use (by itself). I think the fix would be to call
>> radeon_atom_release_dig_encoder() in the encoder prepare callback, but
>> I'm not sure if that will negatively affect MST or not. Dave?
>
> well we can drop the message down to debug_kms, I'll have a look
> to see if we need to do a release there, its probably safe but I'd have
> to
> test it.
>
> Dave.
Fixed in (new) drm-next-4.1-wip by commit:
2248a6a41473e4a77391a2163284fe0683eac165
Thanks Dave and Alex!
-Dieter
