This is a note to let you know that I've just added the patch titled
drm/amdkfd: only flush mes process context if mes support is there
to the 6.7-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-amdkfd-only-flush-mes-process-context-if-mes-sup.patch
and it can be found in the queue-6.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f0b35d6049696a39bba7be257f9a68c031d3a175
Author: Jonathan Kim <jonathan.kim@xxxxxxx>
Date: Wed Dec 13 22:08:03 2023 -0500
drm/amdkfd: only flush mes process context if mes support is there
[ Upstream commit 24149412dfc71f7f4a54868702e9145e396263d3 ]
Fix up on mes process context flush to prevent non-mes devices from
spamming error messages or running into undefined behaviour during
process termination.
Fixes: bd33bb1409b4 ("drm/amdkfd: fix mes set shader debugger process management")
Signed-off-by: Jonathan Kim <jonathan.kim@xxxxxxx>
Reviewed-by: Eric Huang <jinhuieric.huang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index 8e55e78fce4e..43eff221eae5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -87,7 +87,8 @@ void kfd_process_dequeue_from_device(struct kfd_process_device *pdd)
return;
dev->dqm->ops.process_termination(dev->dqm, &pdd->qpd);
- amdgpu_mes_flush_shader_debugger(dev->adev, pdd->proc_ctx_gpu_addr);
+ if (dev->kfd->shared_resources.enable_mes)
+ amdgpu_mes_flush_shader_debugger(dev->adev, pdd->proc_ctx_gpu_addr);
pdd->already_dequeued = true;
}
