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sna: Lighten the wakeup handler slightly 

As the wakeup handler is called more frequently, we want to avoid any of
the more heavyweight processing. So trim the wakeup handler down to the
check to see if the GPU is idle and so we should immediately flush what
we have currently queued.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-03-06 11:22:40 +00:00
parent 779fc0b20c
commit 9a7577902e
1 changed files with 17 additions and 14 deletions
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31
src/sna/sna_accel.c
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@ -14356,6 +14356,9 @@ void sna_accel_close(struct sna *sna)
void sna_accel_block_handler(struct sna *sna, struct timeval **tv)
{
if (sna->kgem.need_retire)
kgem_retire(&sna->kgem);
if (sna->timer_active)
UpdateCurrentTimeIf();
@ -14413,20 +14416,6 @@ set_tv:
}
sna->kgem.scanout_busy = false;
}
void sna_accel_wakeup_handler(struct sna *sna)
{
DBG(("%s\n", __FUNCTION__));
if (sna->kgem.need_retire)
kgem_retire(&sna->kgem);
if (sna->kgem.nbatch && !sna->kgem.need_retire) {
DBG(("%s: GPU idle, flushing\n", __FUNCTION__));
_kgem_submit(&sna->kgem);
}
if (sna->kgem.need_purge)
kgem_purge_cache(&sna->kgem);
if (FAULT_INJECTION && (rand() % FAULT_INJECTION) == 0) {
ErrorF("%s hardware acceleration\n",
@ -14436,6 +14425,20 @@ void sna_accel_wakeup_handler(struct sna *sna)
}
}
void sna_accel_wakeup_handler(struct sna *sna)
{
DBG(("%s: nbatch=%d, need_retire=%d, need_purge=%d\n", __FUNCTION__,
sna->kgem.nbatch, sna->kgem.need_retire, sna->kgem.need_purge));
if (!sna->kgem.nbatch)
return;
if (kgem_is_idle(&sna->kgem)) {
DBG(("%s: GPU idle, flushing\n", __FUNCTION__));
_kgem_submit(&sna->kgem);
}
}
void sna_accel_free(struct sna *sna)
{
DBG(("%s\n", __FUNCTION__));