From: Marek Olšák <marek.olsak@amd.com>
Date: Tue, 24 Jan 2017 21:54:06 +0000 (+0100)
Subject: radeonsi: unbind disabled shader stages to prevent useless L2 prefetches
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c99ba3eb479705114ff84695af33b1681bfaf142;p=mesa.git

radeonsi: unbind disabled shader stages to prevent useless L2 prefetches

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 010ce15a8b5..b3616dcfaff 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -2439,6 +2439,9 @@ bool si_update_shaders(struct si_context *sctx)
 		if (r)
 			return false;
 		si_pm4_bind_state(sctx, es, sctx->vs_shader.current->pm4);
+
+		si_pm4_bind_state(sctx, ls, NULL);
+		si_pm4_bind_state(sctx, hs, NULL);
 	} else {
 		/* VS as VS */
 		r = si_shader_select(ctx, &sctx->vs_shader, &compiler_state);
@@ -2446,6 +2449,9 @@ bool si_update_shaders(struct si_context *sctx)
 			return false;
 		si_pm4_bind_state(sctx, vs, sctx->vs_shader.current->pm4);
 		si_update_so(sctx, sctx->vs_shader.cso);
+
+		si_pm4_bind_state(sctx, ls, NULL);
+		si_pm4_bind_state(sctx, hs, NULL);
 	}
 
 	/* Update GS. */