[PATCH 1/4] drm/amdgpu: clear RB at ring init

Michel Dänzer michel at daenzer.net
Wed Jun 8 02:21:04 UTC 2016


On 07.06.2016 20:38, Liu, Monk wrote:
> 
>> There's something else about these two patches I'm a bit worried about:
> 
>> The GPU should only read data from ring buffers and IBs that we previously
>> explicitly wrote there. I'm afraid these patches might just paper over
>> bugs elsewhere, which might still bite us under different circumstances.
> 
> so do you mean we should use NOP to fulfill the ring buffer instead of 0 ?

I mean we should find out why the GPU seems to read something else than
the packets we write to the ring buffer / IBs.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer


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