diff options
author | Lucas Stach <l.stach@pengutronix.de> | 2018-05-25 16:51:25 +0200 |
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committer | Lucas Stach <l.stach@pengutronix.de> | 2018-08-06 15:24:05 +0200 |
commit | a0780bb1df60f00e4573db7bd53e7039e9eee1cb (patch) | |
tree | a8fbd8476214af486551c4b6b22d2c65b5a79872 /drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | |
parent | 6ae9c84ff249f2756086e71405375fd06124cf1f (diff) |
drm/etnaviv: protect sched job submission with fence mutex
The documentation of drm_sched_job_init and drm_sched_entity_push_job has
been clarified. Both functions should be called under a shared lock, to
avoid jobs getting pushed into the scheduler queue in a different order
than their sched_fence seqnos, which will confuse checks that are looking
at the seqnos to infer information about completion order.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c')
-rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 46ecd3e66ac9..983e67f19e45 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -388,9 +388,9 @@ static void submit_cleanup(struct kref *kref) dma_fence_put(submit->in_fence); if (submit->out_fence) { /* first remove from IDR, so fence can not be found anymore */ - mutex_lock(&submit->gpu->fence_idr_lock); + mutex_lock(&submit->gpu->fence_lock); idr_remove(&submit->gpu->fence_idr, submit->out_fence_id); - mutex_unlock(&submit->gpu->fence_idr_lock); + mutex_unlock(&submit->gpu->fence_lock); dma_fence_put(submit->out_fence); } kfree(submit->pmrs); |