drm/amd/pp: Fix overflow when setup decf/pix/disp dpm table.

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>

1 files 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 500f177254ac..0519338e0e5e 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,