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drm/scheduler: deprecate drm_sched_resubmit_jobs

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This interface is not working as it should.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221109095010.141189-5-christian.koenig@amd.com
This commit is contained in:
Christian König
2022-10-26 17:09:34 +02:00
parent cb3076e932
commit 5efbe6aa7a
1 changed files with 12 additions and 1 deletions
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13
drivers/gpu/drm/scheduler/sched_main.c
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@@ -551,10 +551,21 @@ void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery)
EXPORT_SYMBOL(drm_sched_start);
/**
* drm_sched_resubmit_jobs - helper to relaunch jobs from the pending list
* drm_sched_resubmit_jobs - Deprecated, don't use in new code!
*
* @sched: scheduler instance
*
* Re-submitting jobs was a concept AMD came up as cheap way to implement
* recovery after a job timeout.
*
* This turned out to be not working very well. First of all there are many
* problem with the dma_fence implementation and requirements. Either the
* implementation is risking deadlocks with core memory management or violating
* documented implementation details of the dma_fence object.
*
* Drivers can still save and restore their state for recovery operations, but
* we shouldn't make this a general scheduler feature around the dma_fence
* interface.
*/
void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched)
{