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sna: Only submit a batch to the scanout if it is not already busy 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-05-08 11:45:34 +01:00
parent cd7a56b731
commit 663e387b35
3 changed files with 4 additions and 4 deletions
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4
src/sna/kgem.c
View File

@ -3001,10 +3001,10 @@ void _kgem_bo_destroy(struct kgem *kgem, struct kgem_bo *bo)
__kgem_bo_destroy(kgem, bo);
}
void __kgem_flush(struct kgem *kgem, struct kgem_bo *bo)
bool __kgem_flush(struct kgem *kgem, struct kgem_bo *bo)
{
/* The kernel will emit a flush *and* update its own flushing lists. */
kgem_busy(kgem, bo->handle);
return kgem_busy(kgem, bo->handle);
}
bool kgem_check_bo(struct kgem *kgem, ...)

2
src/sna/kgem.h
View File

@ -258,7 +258,7 @@ static inline void kgem_bo_submit(struct kgem *kgem, struct kgem_bo *bo)
_kgem_submit(kgem);
}
void __kgem_flush(struct kgem *kgem, struct kgem_bo *bo);
bool __kgem_flush(struct kgem *kgem, struct kgem_bo *bo);
static inline void kgem_bo_flush(struct kgem *kgem, struct kgem_bo *bo)
{
kgem_bo_submit(kgem, bo);

2
src/sna/sna_accel.c
View File

@ -11998,7 +11998,7 @@ static bool sna_accel_do_flush(struct sna *sna)
DBG(("%s (time=%ld), triggered\n", __FUNCTION__, (long)sna->time));
sna->timer_expire[FLUSH_TIMER] =
sna->time + sna->vblank_interval;
return true;
return priv->cpu_damage || !__kgem_flush(&sna->kgem, priv->gpu_bo);
}
} else {
if (priv->cpu_damage == NULL && priv->gpu_bo->exec == NULL) {