diff options
| author | Christian König <christian.koenig@amd.com> | 2022-10-26 18:09:34 +0300 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2023-01-18 14:46:52 +0300 |
| commit | 5efbe6aa7a0ec9cec7f87da0d995563aad3d2593 (patch) | |
| tree | c36e58ac3b8e2df134b577a234657171dc36af1d /drivers/gpu/drm/scheduler | |
| parent | cb3076e932e8e7b212fe18b0591689beeb0d6324 (diff) | |
| download | linux-5efbe6aa7a0ec9cec7f87da0d995563aad3d2593.tar.xz | |
drm/scheduler: deprecate drm_sched_resubmit_jobs
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
Diffstat (limited to 'drivers/gpu/drm/scheduler')
| -rw-r--r-- | drivers/gpu/drm/scheduler/sched_main.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index fd22d753b4ed..0e4378420271 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -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) { |