From: Marek Olšák <marek.olsak@amd.com>
Date: Sat, 26 Jan 2019 01:39:40 +0000 (-0500)
Subject: radeonsi: fix crashing performance counters (division by zero)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=742d6cdb42e5570a3a74005f18bb89208069d01f;p=mesa.git

radeonsi: fix crashing performance counters (division by zero)

Fixes: e2b9329f17 "radeonsi: move remaining perfcounter code into si_perfcounter.c"
---

diff --git a/src/gallium/drivers/radeonsi/si_perfcounter.c b/src/gallium/drivers/radeonsi/si_perfcounter.c
index 2da14f8868f..d55394f2cba 100644
--- a/src/gallium/drivers/radeonsi/si_perfcounter.c
+++ b/src/gallium/drivers/radeonsi/si_perfcounter.c
@@ -1333,7 +1333,7 @@ void si_init_perfcounters(struct si_screen *screen)
 	for (i = 0; i < num_blocks; ++i) {
 		struct si_pc_block *block = &pc->blocks[i];
 		block->b = &blocks[i];
-		block->num_instances = block->b->instances;
+		block->num_instances = MAX2(1, block->b->instances);
 
 		if (!strcmp(block->b->b->name, "CB") ||
 		    !strcmp(block->b->b->name, "DB"))