[PATCH 1/4] drm/amdgpu: Introduce gfx software ring (v9)

[Michel Dänzer]

On 11/29/22 08:10, 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
> v9: Use kernel-doc comment on the get_rptr function.

The series is

Tested-by: Michel Dänzer <mdaenzer at redhat.com>


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