From: Philipp Zabel <p.za...@pengutronix.de>
Before resolving a resource into its scanout prime buffer, check that
the prime resource is actually older. If it is not, the resolve is an
expensive no-op, and we better skip it.
Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
---
src/gallium/drivers/etnaviv/etnaviv_clear_blit.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
index d555884d3fe3..a089fed13cee 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
@@ -593,8 +593,11 @@ etna_flush_resource(struct pipe_context *pctx, struct
pipe_resource *prsc)
{
struct etna_resource *rsc = etna_resource(prsc);
- if (rsc->scanout)
+ 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;
+ }
}
void
--
2.11.0
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