From: Marek Olšák <marek.olsak@amd.com>
Date: Tue, 30 Jan 2018 01:51:47 +0000 (+0100)
Subject: radeonsi: don't flush when si_eliminate_fast_color_clear is no-op
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b494ed168ccaf42fef32e92b64e764eba3f7a1a5;p=mesa.git

radeonsi: don't flush when si_eliminate_fast_color_clear is no-op
---

diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
index a0e91292c3d..125e7ef4089 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -389,8 +389,12 @@ void si_eliminate_fast_color_clear(struct r600_common_context *rctx,
 	if (ctx == sscreen->aux_context)
 		mtx_lock(&sscreen->aux_context_lock);
 
+	unsigned n = rctx->num_decompress_calls;
 	ctx->flush_resource(ctx, &rtex->resource.b.b);
-	ctx->flush(ctx, NULL, 0);
+
+	/* Flush only if any fast clear elimination took place. */
+	if (n != rctx->num_decompress_calls)
+		ctx->flush(ctx, NULL, 0);
 
 	if (ctx == sscreen->aux_context)
 		mtx_unlock(&sscreen->aux_context_lock);