From: Marek Olšák <marek.olsak@amd.com>
Date: Mon, 18 Aug 2014 21:14:34 +0000 (+0200)
Subject: radeonsi: bump PRIMGROUP_SIZE for some cases
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f62f88274ae31065eaa331ad4c6c4adc0870df5d;p=mesa.git

radeonsi: bump PRIMGROUP_SIZE for some cases

Recommended by hw people.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index f5d65508340..0f700a8c9eb 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -384,13 +384,16 @@ static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx,
 {
 	struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
 	unsigned prim = info->mode;
-	unsigned primgroup_size = 64;
+	unsigned primgroup_size = 128; /* recommended without a GS */
 
 	/* SWITCH_ON_EOP(0) is always preferable. */
 	bool wd_switch_on_eop = false;
 	bool ia_switch_on_eop = false;
 	bool partial_vs_wave = false;
 
+	if (sctx->gs_shader)
+		primgroup_size = 64; /* recommended with a GS */
+
 	/* This is a hardware requirement. */
 	if ((rs && rs->line_stipple_enable) ||
 	    (sctx->b.screen->debug_flags & DBG_SWITCH_ON_EOP)) {