diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c index 39d745f3fb5b..1f1bb274685a 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c @@ -2216,12 +2216,24 @@ static int smu7_patch_voltage_dependency_tables_with_lookup_table( if (data->vdd_gfx_control == SMU7_VOLTAGE_CONTROL_BY_SVID2) { for (entry_id = 0; entry_id < sclk_table->count; ++entry_id) { voltage_id = sclk_table->entries[entry_id].vddInd; + if (voltage_id >= table_info->vddgfx_lookup_table->count) { + pr_err("amdgpu: sclk[%u] vddgfx index %u out of bounds (%u)\n", + entry_id, voltage_id, + table_info->vddgfx_lookup_table->count); + return -EINVAL; + } sclk_table->entries[entry_id].vddgfx = table_info->vddgfx_lookup_table->entries[voltage_id].us_vdd; } } else { for (entry_id = 0; entry_id < sclk_table->count; ++entry_id) { voltage_id = sclk_table->entries[entry_id].vddInd; + if (voltage_id >= table_info->vddc_lookup_table->count) { + pr_err("amdgpu: sclk[%u] vddc index %u out of bounds (%u)\n", + entry_id, voltage_id, + table_info->vddc_lookup_table->count); + return -EINVAL; + } sclk_table->entries[entry_id].vddc = table_info->vddc_lookup_table->entries[voltage_id].us_vdd; } @@ -2229,12 +2241,24 @@ static int smu7_patch_voltage_dependency_tables_with_lookup_table( for (entry_id = 0; entry_id < mclk_table->count; ++entry_id) { voltage_id = mclk_table->entries[entry_id].vddInd; + if (voltage_id >= table_info->vddc_lookup_table->count) { + pr_err("amdgpu: mclk[%u] vddc index %u out of bounds (%u)\n", + entry_id, voltage_id, + table_info->vddc_lookup_table->count); + return -EINVAL; + } mclk_table->entries[entry_id].vddc = table_info->vddc_lookup_table->entries[voltage_id].us_vdd; } for (entry_id = 0; entry_id < mm_table->count; ++entry_id) { voltage_id = mm_table->entries[entry_id].vddcInd; + if (voltage_id >= table_info->vddc_lookup_table->count) { + pr_err("amdgpu: mm[%u] vddc index %u out of bounds (%u)\n", + entry_id, voltage_id, + table_info->vddc_lookup_table->count); + return -EINVAL; + } mm_table->entries[entry_id].vddc = table_info->vddc_lookup_table->entries[voltage_id].us_vdd; }