[PATCH 1/5] drm/amdgpu: Introduce gfx software ring (v8)

[Michel Dänzer]

On 2022-10-20 16:59, Christian König wrote:
> Am 20.10.22 um 16:49 schrieb Michel Dänzer:
>> On 2022-10-18 11:08, jiadong.zhu at amd.com wrote:
>>> From: "Jiadong.Zhu" <Jiadong.Zhu at amd.com>
>>>
>>> The software ring is created to support priority context while there is only
>>> one hardware queue for gfx.
>>>
>>> Every software ring has its fence driver and could be used as an ordinary ring
>>> for the GPU scheduler.
>>> Multiple software rings are bound to a real ring with the ring muxer. The
>>> packages committed on the software ring are copied to the real ring.
>>>
>>> v2: Use array to store software ring entry.
>>> v3: Remove unnecessary prints.
>>> v4: Remove amdgpu_ring_sw_init/fini functions,
>>> using gtt for sw ring buffer for later dma copy
>>> optimization.
>>> v5: Allocate ring entry dynamically in the muxer.
>>> v6: Update comments for the ring muxer.
>>> v7: Modify for function naming.
>>> v8: Combine software ring functions into amdgpu_ring_mux.c
>> I tested patches 1-4 of this series (since Christian clearly nacked patch 5). I hit the oops below.
> 
> As long as you don't try to reset the GPU you can also test patch 5.

Sure, I can test it once there's a fix for the oops.


-- 
Earthling Michel Dänzer            |                  https://redhat.com
Libre software enthusiast          |         Mesa and Xwayland developer