diff options
Diffstat (limited to 'tools/power/x86/intel-speed-select/isst-core-mbox.c')
| -rw-r--r-- | tools/power/x86/intel-speed-select/isst-core-mbox.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-core-mbox.c b/tools/power/x86/intel-speed-select/isst-core-mbox.c index a96d6bcf7d93..27d802173d10 100644 --- a/tools/power/x86/intel-speed-select/isst-core-mbox.c +++ b/tools/power/x86/intel-speed-select/isst-core-mbox.c @@ -624,6 +624,95 @@ static int mbox_get_clos_information(struct isst_id *id, int *enable, int *type) return 0; } + +static int _write_pm_config(struct isst_id *id, int cp_state) +{ + unsigned int req, resp; + int ret; + + if (cp_state) + req = BIT(16); + else + req = 0; + + ret = isst_send_mbox_command(id->cpu, WRITE_PM_CONFIG, PM_FEATURE, 0, req, + &resp); + if (ret) + return ret; + + debug_printf("cpu:%d WRITE_PM_CONFIG resp:%x\n", id->cpu, resp); + + return 0; +} + +static int mbox_pm_qos_config(struct isst_id *id, int enable_clos, int priority_type) +{ + unsigned int req, resp; + int ret; + + if (!enable_clos) { + struct isst_pkg_ctdp pkg_dev; + struct isst_pkg_ctdp_level_info ctdp_level; + + ret = isst_get_ctdp_levels(id, &pkg_dev); + if (ret) { + debug_printf("isst_get_ctdp_levels\n"); + return ret; + } + + ret = isst_get_ctdp_control(id, pkg_dev.current_level, + &ctdp_level); + if (ret) + return ret; + + if (ctdp_level.fact_enabled) { + isst_display_error_info_message(1, "Ignoring request, turbo-freq feature is still enabled", 0, 0); + return -EINVAL; + } + ret = _write_pm_config(id, 0); + if (ret) + isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0); + } else { + ret = _write_pm_config(id, 1); + if (ret) + isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0); + } + + ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0, + &resp); + if (ret) { + isst_display_error_info_message(1, "CLOS_PM_QOS_CONFIG command failed", 0, 0); + return ret; + } + + debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", id->cpu, resp); + + req = resp; + + if (enable_clos) + req = req | BIT(1); + else + req = req & ~BIT(1); + + if (priority_type > 1) + isst_display_error_info_message(1, "Invalid priority type: Changing type to ordered", 0, 0); + + if (priority_type) + req = req | BIT(2); + else + req = req & ~BIT(2); + + ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, + BIT(MBOX_CMD_WRITE_BIT), req, &resp); + if (ret) + return ret; + + debug_printf("cpu:%d CLOS_PM_QOS_CONFIG priority type:%d req:%x\n", id->cpu, + priority_type, req); + + return 0; +} + static struct isst_platform_ops mbox_ops = { .get_disp_freq_multiplier = mbox_get_disp_freq_multiplier, .get_trl_max_levels = mbox_get_trl_max_levels, @@ -643,6 +732,7 @@ static struct isst_platform_ops mbox_ops = { .get_fact_info = mbox_get_fact_info, .get_uncore_p0_p1_info = mbox_get_uncore_p0_p1_info, .get_clos_information = mbox_get_clos_information, + .pm_qos_config = mbox_pm_qos_config, }; struct isst_platform_ops *mbox_get_platform_ops(void) |