From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 18 Oct 2017 17:43:43 +0800
Subject: drm/amd/pp: Fix overflow when setup decf/pix/disp dpm table.
Git-commit: 658b93913e7a8a8d418b6d1208e88ddacc4d245d
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Clear the count in the single table setup function to
avoid missing any tables.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- 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_
{
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_tabl
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,