This is a note to let you know that I've just added the patch titled
drm/amdgpu: Use the sched from entity for amdgpu_cs trace
to the 6.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-use-the-sched-from-entity-for-amdgpu_cs-t.patch
and it can be found in the queue-6.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 8bb8c6aa4c95ee868c1f92abff813c3b08e32c8a
Author: Leo Liu <leo.liu@xxxxxxx>
Date: Mon Jan 16 09:55:57 2023 -0500
drm/amdgpu: Use the sched from entity for amdgpu_cs trace
[ Upstream commit cf22ef78f22ce4df4757472c5dbd33c430c5b659 ]
The problem is that base sched hasn't been assigned yet at this moment,
causing something like "ring=0" all the time from trace.
mpv:cs0-3473 [002] ..... 129.047431: amdgpu_cs: ring=0, dw=48, fences=0
mpv:cs0-3473 [002] ..... 129.089125: amdgpu_cs: ring=0, dw=48, fences=0
mpv:cs0-3473 [002] ..... 129.130987: amdgpu_cs: ring=0, dw=48, fences=0
mpv:cs0-3473 [002] ..... 129.172478: amdgpu_cs: ring=0, dw=48, fences=0
Fixes: 4624459c84d7 ("drm/amdgpu: add gang submit frontend v6")
Signed-off-by: Leo Liu <leo.liu@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index 677ad2016976d..98d91ebf5c26b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -153,10 +153,10 @@ TRACE_EVENT(amdgpu_cs,
TP_fast_assign(
__entry->bo_list = p->bo_list;
- __entry->ring = to_amdgpu_ring(job->base.sched)->idx;
+ __entry->ring = to_amdgpu_ring(job->base.entity->rq->sched)->idx;
__entry->dw = ib->length_dw;
__entry->fences = amdgpu_fence_count_emitted(
- to_amdgpu_ring(job->base.sched));
+ to_amdgpu_ring(job->base.entity->rq->sched));
),
TP_printk("bo_list=%p, ring=%u, dw=%u, fences=%u",
__entry->bo_list, __entry->ring, __entry->dw,
