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etnaviv: only flush resource to self if no scanout buffer exists 

Currently a resource flush may trigger a self resolve, even if a scanout buffer
exists, but is up to date. If a scanout buffer exists we only ever want to
flush the resource to the scanout buffer. This fixes a performance regression.

Fixes: dda956340c (etnaviv: resolve tile status when flushing resource)
Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
This commit is contained in:
Lucas Stach 2017-06-26 12:25:08 +02:00 committed by Christian Gmeiner
parent d8b2ccdb88
commit 28550c7875
1 changed files with 5 additions and 4 deletions
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9
src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
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@ -602,10 +602,11 @@ etna_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
{
struct etna_resource *rsc = etna_resource(prsc);
if (rsc->scanout &&
etna_resource_older(etna_resource(rsc->scanout->prime), rsc)) {
etna_copy_resource(pctx, rsc->scanout->prime, prsc, 0, 0);
etna_resource(rsc->scanout->prime)->seqno = rsc->seqno;
if (rsc->scanout) {
if (etna_resource_older(etna_resource(rsc->scanout->prime), rsc)) {
etna_copy_resource(pctx, rsc->scanout->prime, prsc, 0, 0);
etna_resource(rsc->scanout->prime)->seqno = rsc->seqno;
}
} else if (etna_resource_needs_flush(rsc)) {
etna_copy_resource(pctx, prsc, prsc, 0, 0);
rsc->flush_seqno = rsc->seqno;