drm/amd/pm/smu7: move variables to where they are used
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 6 Feb 2023 16:47:47 +0000 (11:47 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 Aug 2023 16:27:31 +0000 (18:27 +0200)
commit 63a9ab264a8c030482ab9e7e20b6c4c162299531 upstream.

Move variable declarations to where they are used.  Fixes
a segfault on smu7 V0 structures where some tables don't
exist.

Cc: Evan Quan <evan.quan@amd.com>
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2388
Fixes: b1a9557a7d00 ("drm/amd/pm: fulfill powerplay peak profiling mode shader/memory clock settings")
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

index 44ec238cfeff842b1054872e49ab057949156a5c..a31a62a1ce0b2ae4e9ab93eb46fea0f95f24ba34 100644 (file)
@@ -1505,12 +1505,6 @@ static void smu7_populate_umdpstate_clocks(struct pp_hwmgr *hwmgr)
 {
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct smu7_dpm_table *golden_dpm_table = &data->golden_dpm_table;
-       struct phm_clock_voltage_dependency_table *vddc_dependency_on_sclk =
-                       hwmgr->dyn_state.vddc_dependency_on_sclk;
-       struct phm_ppt_v1_information *table_info =
-                       (struct phm_ppt_v1_information *)(hwmgr->pptable);
-       struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_sclk =
-                       table_info->vdd_dep_on_sclk;
        int32_t tmp_sclk, count, percentage;
 
        if (golden_dpm_table->mclk_table.count == 1) {
@@ -1525,6 +1519,9 @@ static void smu7_populate_umdpstate_clocks(struct pp_hwmgr *hwmgr)
        tmp_sclk = hwmgr->pstate_mclk * percentage / 100;
 
        if (hwmgr->pp_table_version == PP_TABLE_V0) {
+               struct phm_clock_voltage_dependency_table *vddc_dependency_on_sclk =
+                       hwmgr->dyn_state.vddc_dependency_on_sclk;
+
                for (count = vddc_dependency_on_sclk->count - 1; count >= 0; count--) {
                        if (tmp_sclk >= vddc_dependency_on_sclk->entries[count].clk) {
                                hwmgr->pstate_sclk = vddc_dependency_on_sclk->entries[count].clk;
@@ -1537,6 +1534,11 @@ static void smu7_populate_umdpstate_clocks(struct pp_hwmgr *hwmgr)
                hwmgr->pstate_sclk_peak =
                        vddc_dependency_on_sclk->entries[vddc_dependency_on_sclk->count - 1].clk;
        } else if (hwmgr->pp_table_version == PP_TABLE_V1) {
+               struct phm_ppt_v1_information *table_info =
+                       (struct phm_ppt_v1_information *)(hwmgr->pptable);
+               struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_sclk =
+                       table_info->vdd_dep_on_sclk;
+
                for (count = vdd_dep_on_sclk->count - 1; count >= 0; count--) {
                        if (tmp_sclk >= vdd_dep_on_sclk->entries[count].clk) {
                                hwmgr->pstate_sclk = vdd_dep_on_sclk->entries[count].clk;