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sna: Check for request retires after every batch 

In the beginning, I did perform a retire after ever batch. Then I
decided that it was too much CPU overhead for too little gain. On
reflection, i.e. further benchmarking, we do see a performance
improvement for recycling active buffers faster.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-09-28 23:04:03 +01:00
parent e74a39b454
commit d8fe941bc2
1 changed files with 8 additions and 6 deletions
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14
src/sna/kgem.c
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@ -591,12 +591,13 @@ void kgem_retire(struct kgem *kgem)
struct kgem_bo *bo, *next;
list_for_each_entry_safe(bo, next, &kgem->flushing, request) {
if (!kgem_busy(kgem, bo->handle)) {
bo->needs_flush = 0;
bo->gpu = false;
list_move(&bo->list, inactive(kgem, bo->size));
list_del(&bo->request);
}
if (kgem_busy(kgem, bo->handle))
break;
bo->needs_flush = 0;
bo->gpu = false;
list_move(&bo->list, inactive(kgem, bo->size));
list_del(&bo->request);
}
while (!list_is_empty(&kgem->requests)) {
@ -1019,6 +1020,7 @@ void _kgem_submit(struct kgem *kgem)
}
}
kgem_retire(kgem);
kgem_commit(kgem);
if (kgem->wedged)
kgem_cleanup(kgem);