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drm/etnaviv: move submit free out of critical section

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There is no need to hold the GPU lock while freeing the submit
object. Only move the retired submits from the GPU active list to
a temporary retire list under the GPU lock.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Lucas Stach
2017-11-29 14:33:57 +01:00
parent a7cfa565d4
commit 2e3a2dda25
1 changed files with 5 additions and 3 deletions
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8
drivers/gpu/drm/etnaviv/etnaviv_gpu.c
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@@ -1201,20 +1201,22 @@ static void retire_worker(struct work_struct *work)
retire_work);
u32 fence = gpu->completed_fence;
struct etnaviv_gem_submit *submit, *tmp;
LIST_HEAD(retire_list);
mutex_lock(&gpu->lock);
list_for_each_entry_safe(submit, tmp, &gpu->active_submit_list, node) {
if (!dma_fence_is_signaled(submit->out_fence))
break;
list_del(&submit->node);
etnaviv_submit_put(submit);
list_move(&submit->node, &retire_list);
}
gpu->retired_fence = fence;
mutex_unlock(&gpu->lock);
list_for_each_entry_safe(submit, tmp, &retire_list, node)
etnaviv_submit_put(submit);
}
int etnaviv_gpu_wait_fence_interruptible(struct etnaviv_gpu *gpu,