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From 7f09cc51f85710f57f2c13e5dfd560b9744b2b70 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 18 Oct 2017 17:43:43 +0800
Subject: [PATCH 1067/4131] drm/amd/pp: Fix overflow when setup decf/pix/disp
dpm table.
fix SWDEV-135556.
Change-Id: I8e2b856b75e532cd7364bd8f7bf60c04e891a4bf
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index f9e4b12..2642e02 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -1161,6 +1161,8 @@ static void vega10_setup_default_single_dpm_table(struct pp_hwmgr *hwmgr,
{
int i;
+ dpm_table->count = 0;
+
for (i = 0; i < dep_table->count; i++) {
if (i == 0 || dpm_table->dpm_levels[dpm_table->count - 1].value <=
dep_table->entries[i].clk) {
@@ -1269,10 +1271,6 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
return -EINVAL);
/* Initialize Sclk DPM table based on allow Sclk values */
- data->dpm_table.soc_table.count = 0;
- data->dpm_table.gfx_table.count = 0;
- data->dpm_table.dcef_table.count = 0;
-
dpm_table = &(data->dpm_table.soc_table);
vega10_setup_default_single_dpm_table(hwmgr,
dpm_table,
--
2.7.4
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