drm-next-4.1-wip: NI/Turks *ERROR* chosen encoder in use 4

[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.