(UVD RS780 first impression)

Christian König deathsimple at vodafone.de
Wed Aug 27 00:00:57 PDT 2014


Am 27.08.2014 um 05:40 schrieb Michel Dänzer:
> On 26.08.2014 23:14, Stefan Lange wrote:
>> Hi,
>>
>> first of all: Thanks a lot for putting effort into this sort of ancient
>> hardware, I'm really surprised in a very positive way to see open source
>> UVD support happen on old R600 GPUs. I gave the recently posted patches
>> a shot an here is my first impression:
>>
>> Kernel from uvd-r600-release branch compiles and boots fine
>> (I also included the 3.16.1 and Con Kolivas' ck/BFS patch as well, I
>> hope that was OK; I could give it a try without modifications as well,
>> if that would help.)
>>
>> Mesa with the posted patch applied also compiled fine
>>
>> First tests with mplayer were not so successful, unfortunately:
>> I tried "big buck bunny" with both software and hardwarde decoding.
>> Software looks OK (as expected). Hardware decoding seems to work,
>> mplayer doesn't complain and CPU usage also goes down significantly, the
>> resulting image is distorted, however.
>> I tried to get a screen shots to illustrate the issue, see attachment.
>> Looks like part of the top is found at the bottom, and look sort of like
>> an interlaced image.
>
> Sounds like you're missing 
> http://cgit.freedesktop.org/mesa/mesa/commit/?id=80771e47b6c1e47ab55f17311e1d4e227a9eb3d8 
> .

Agree, that is exactly the expected behavior if you don't use the 
necessary mesa patch.

Please make sure you actually installed mesa into the correct path etc....

Christian.



More information about the dri-devel mailing list