diff options
Diffstat (limited to 'drivers/platform/x86/intel')
| -rw-r--r-- | drivers/platform/x86/intel/ishtp_eclite.c | 5 | ||||
| -rw-r--r-- | drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c | 77 |
2 files changed, 75 insertions, 7 deletions
diff --git a/drivers/platform/x86/intel/ishtp_eclite.c b/drivers/platform/x86/intel/ishtp_eclite.c index 93ac8b2dbf38..bca7e217878b 100644 --- a/drivers/platform/x86/intel/ishtp_eclite.c +++ b/drivers/platform/x86/intel/ishtp_eclite.c @@ -600,13 +600,16 @@ static int ecl_ishtp_cl_probe(struct ishtp_cl_device *cl_device) rv = acpi_opregion_init(opr_dev); if (rv) { dev_err(cl_data_to_dev(opr_dev), "ACPI opregion init failed\n"); - goto err_exit; + goto err_put; } /* Reprobe devices depending on ECLite - battery, fan, etc. */ acpi_dev_clear_dependencies(opr_dev->adev); return 0; + +err_put: + acpi_dev_put(opr_dev->adev); err_exit: ishtp_set_connection_state(ecl_ishtp_cl, ISHTP_CL_DISCONNECTING); ishtp_cl_disconnect(ecl_ishtp_cl); diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c index b11d62c934b3..2e2e168d301c 100644 --- a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c +++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c @@ -336,8 +336,11 @@ static int sst_add_perf_profiles(struct auxiliary_device *auxdev, int i; pd_info->perf_levels = devm_kcalloc(dev, levels, sizeof(struct perf_level), GFP_KERNEL); - if (!pd_info->perf_levels) - return 0; + if (!pd_info->perf_levels) { + pd_info->pp_header.allowed_level_mask = 0; + pd_info->pp_header.level_en_mask = 0; + return -ENOMEM; + } pd_info->ratio_unit = pd_info->pp_header.ratio_unit; pd_info->avx_levels = SST_MAX_AVX_LEVELS; @@ -367,7 +370,7 @@ static int sst_add_perf_profiles(struct auxiliary_device *auxdev, static int sst_main(struct auxiliary_device *auxdev, struct tpmi_per_power_domain_info *pd_info) { struct device *dev = &auxdev->dev; - int i, mask, levels; + int i, ret, mask, levels; *((u64 *)&pd_info->sst_header) = readq(pd_info->sst_base); pd_info->sst_header.cp_offset *= 8; @@ -399,8 +402,12 @@ static int sst_main(struct auxiliary_device *auxdev, struct tpmi_per_power_domai levels = i; mask <<= 1; } + + ret = sst_add_perf_profiles(auxdev, pd_info, levels + 1); + if (ret) + return ret; + pd_info->max_level = levels; - sst_add_perf_profiles(auxdev, pd_info, levels + 1); return 0; } @@ -599,6 +606,9 @@ static bool disable_dynamic_sst_features(void) #define SST_CP_PRIORITY_TYPE_START 1 #define SST_CP_PRIORITY_TYPE_WIDTH 1 +#define SST_CP_MAX_ENABLE 1 +#define SST_CP_MAX_PRIORITY_TYPE 1 + static long isst_if_core_power_state(void __user *argp) { struct tpmi_per_power_domain_info *power_domain_info; @@ -618,6 +628,10 @@ static long isst_if_core_power_state(void __user *argp) if (power_domain_info->write_blocked) return -EPERM; + if (core_power.enable > SST_CP_MAX_ENABLE || + core_power.priority_type > SST_CP_MAX_PRIORITY_TYPE) + return -EINVAL; + _write_cp_info("cp_enable", core_power.enable, SST_CP_CONTROL_OFFSET, SST_CP_ENABLE_START, SST_CP_ENABLE_WIDTH, SST_MUL_FACTOR_NONE) _write_cp_info("cp_prio_type", core_power.priority_type, SST_CP_CONTROL_OFFSET, @@ -649,6 +663,11 @@ static long isst_if_core_power_state(void __user *argp) #define SST_CLOS_CONFIG_MAX_START 16 #define SST_CLOS_CONFIG_MAX_WIDTH 8 +#define SST_MAX_CLOS 3 + +#define SST_MAX_FREQ 0xff +#define SST_CLOS_MAX_PRIORITY 0x0f + static long isst_if_clos_param(void __user *argp) { struct tpmi_per_power_domain_info *power_domain_info; @@ -657,6 +676,9 @@ static long isst_if_clos_param(void __user *argp) if (copy_from_user(&clos_param, argp, sizeof(clos_param))) return -EFAULT; + if (clos_param.clos > SST_MAX_CLOS) + return -EINVAL; + power_domain_info = get_instance(clos_param.socket_id, clos_param.power_domain_id); if (!power_domain_info) return -EINVAL; @@ -665,6 +687,15 @@ static long isst_if_clos_param(void __user *argp) if (power_domain_info->write_blocked) return -EPERM; + if (!in_range(clos_param.min_freq_mhz / SST_MUL_FACTOR_FREQ, 0, SST_MAX_FREQ + 1)) + return -EINVAL; + + if (!in_range(clos_param.max_freq_mhz / SST_MUL_FACTOR_FREQ, 0, SST_MAX_FREQ + 1)) + return -EINVAL; + + if (!in_range(clos_param.prop_prio, 0, SST_CLOS_MAX_PRIORITY + 1)) + return -EINVAL; + _write_cp_info("clos.min_freq", clos_param.min_freq_mhz, (SST_CLOS_CONFIG_0_OFFSET + clos_param.clos * SST_REG_SIZE), SST_CLOS_CONFIG_MIN_START, SST_CLOS_CONFIG_MIN_WIDTH, @@ -703,6 +734,8 @@ static long isst_if_clos_param(void __user *argp) #define SST_CLOS_ASSOC_CPUS_PER_REG 16 #define SST_CLOS_ASSOC_BITS_PER_CPU 4 +#define SST_CLOS_ASSOC_MAX_LOGICAL_CPU 63 + static long isst_if_clos_assoc(void __user *argp) { struct isst_if_clos_assoc_cmds assoc_cmds; @@ -729,7 +762,13 @@ static long isst_if_clos_assoc(void __user *argp) if (copy_from_user(&clos_assoc, ptr, sizeof(clos_assoc))) return -EFAULT; - if (clos_assoc.socket_id > topology_max_packages()) + if (clos_assoc.clos > SST_MAX_CLOS) + return -EINVAL; + + if (clos_assoc.socket_id >= topology_max_packages()) + return -EINVAL; + + if (clos_assoc.logical_cpu > SST_CLOS_ASSOC_MAX_LOGICAL_CPU) return -EINVAL; cpu = clos_assoc.logical_cpu; @@ -747,6 +786,8 @@ static long isst_if_clos_assoc(void __user *argp) pkg_id = clos_assoc.socket_id; sst_inst = isst_common.sst_inst[pkg_id]; + if (!sst_inst) + return -EINVAL; punit_id = map_partition_power_domain_id(sst_inst, punit_id, &part); if (punit_id < 0) @@ -844,6 +885,7 @@ static long isst_if_clos_assoc(void __user *argp) #define SST_PP_FEATURE_STATE_START 8 #define SST_PP_FEATURE_STATE_WIDTH 8 +#define SST_PP_FEATURE_STATE_VALID_MASK GENMASK(1, 0) #define SST_BF_FEATURE_SUPPORTED_START 12 #define SST_BF_FEATURE_SUPPORTED_WIDTH 1 @@ -876,7 +918,7 @@ static int isst_if_get_perf_level(void __user *argp) SST_PP_FEATURE_STATE_START, SST_PP_FEATURE_STATE_WIDTH, SST_MUL_FACTOR_NONE) perf_level.enabled = !!(power_domain_info->sst_header.cap_mask & BIT(1)); - level_mask = perf_level.level_mask; + level_mask = perf_level.level_mask & power_domain_info->pp_header.level_en_mask; perf_level.sst_bf_support = 0; for_each_set_bit(level, &level_mask, BITS_PER_BYTE) { /* @@ -994,6 +1036,9 @@ static int isst_if_set_perf_feature(void __user *argp) if (power_domain_info->write_blocked) return -EPERM; + if (perf_feature.feature & ~SST_PP_FEATURE_STATE_VALID_MASK) + return -EINVAL; + _write_pp_info("perf_feature", perf_feature.feature, SST_PP_CONTROL_OFFSET, SST_PP_FEATURE_STATE_START, SST_PP_FEATURE_STATE_WIDTH, SST_MUL_FACTOR_NONE) @@ -1260,6 +1305,12 @@ static int isst_if_get_perf_level_mask(void __user *argp) if (!power_domain_info) return -EINVAL; + if (cpumask.level > power_domain_info->max_level) + return -EINVAL; + + if (!(power_domain_info->pp_header.level_en_mask & BIT(cpumask.level))) + return -EINVAL; + _read_pp_level_info("mask", mask, cpumask.level, SST_PP_INFO_2_OFFSET, SST_PP_RSLVD_CORE_MASK_START, SST_PP_RSLVD_CORE_MASK_WIDTH, SST_MUL_FACTOR_NONE) @@ -1305,6 +1356,9 @@ static int isst_if_get_base_freq_info(void __user *argp) if (base_freq.level > power_domain_info->max_level) return -EINVAL; + if (!(power_domain_info->pp_header.level_en_mask & BIT(base_freq.level))) + return -EINVAL; + _read_bf_level_info("p1_high", base_freq.high_base_freq_mhz, base_freq.level, SST_BF_INFO_0_OFFSET, SST_BF_P1_HIGH_START, SST_BF_P1_HIGH_WIDTH, SST_MUL_FACTOR_FREQ) @@ -1341,6 +1395,12 @@ static int isst_if_get_base_freq_mask(void __user *argp) if (!power_domain_info) return -EINVAL; + if (cpumask.level > power_domain_info->max_level) + return -EINVAL; + + if (!(power_domain_info->pp_header.level_en_mask & BIT(cpumask.level))) + return -EINVAL; + _read_bf_level_info("BF-cpumask", mask, cpumask.level, SST_BF_INFO_1_OFFSET, P1_HI_CORE_MASK_START, P1_HI_CORE_MASK_WIDTH, SST_MUL_FACTOR_NONE) @@ -1369,6 +1429,8 @@ static int isst_if_get_tpmi_instance_count(void __user *argp) return -EINVAL; sst_inst = isst_common.sst_inst[tpmi_inst.socket_id]; + if (!sst_inst) + return -EINVAL; tpmi_inst.count = isst_instance_count(sst_inst); @@ -1436,6 +1498,9 @@ static int isst_if_get_turbo_freq_info(void __user *argp) if (turbo_freq.level > power_domain_info->max_level) return -EINVAL; + if (!(power_domain_info->pp_header.level_en_mask & BIT(turbo_freq.level))) + return -EINVAL; + turbo_freq.max_buckets = TRL_MAX_BUCKETS; turbo_freq.max_trl_levels = TRL_MAX_LEVELS; turbo_freq.max_clip_freqs = SST_TF_MAX_LP_CLIP_RATIOS; |