tools/power/x86/intel-speed-select: Check support status before enable

When turbo-freq or base-freq feature is not supported, the enable will
fail. So first check support status and print error.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>

diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index b737634..d1ac57b 100644 (file)
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -1631,6 +1631,8 @@ static int set_pbf_core_power(int cpu)
 static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
                            void *arg4)
 {
+       struct isst_pkg_ctdp_level_info ctdp_level;
+       struct isst_pkg_ctdp pkg_dev;
        int ret;
        int status = *(int *)arg4;
 
@@ -1646,6 +1648,24 @@ static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
                goto disp_result;
        }
 
+       ret = isst_get_ctdp_levels(cpu, &pkg_dev);
+       if (ret) {
+               isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
+               goto disp_result;
+       }
+
+       ret = isst_get_ctdp_control(cpu, pkg_dev.current_level, &ctdp_level);
+       if (ret) {
+               isst_display_error_info_message(1, "Failed to get current level", 0, 0);
+               goto disp_result;
+       }
+
+       if (!ctdp_level.pbf_support) {
+               isst_display_error_info_message(1, "base-freq feature is not present at this level", 1, pkg_dev.current_level);
+               ret = -1;
+               goto disp_result;
+       }
+
        if (auto_mode && status) {
                ret = set_pbf_core_power(cpu);
                if (ret)
@@ -1772,9 +1792,29 @@ static void dump_fact_config(int arg)
 static void set_fact_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
                             void *arg4)
 {
+       struct isst_pkg_ctdp_level_info ctdp_level;
+       struct isst_pkg_ctdp pkg_dev;
        int ret;
        int status = *(int *)arg4;
 
+       ret = isst_get_ctdp_levels(cpu, &pkg_dev);
+       if (ret) {
+               isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
+               goto disp_results;
+       }
+
+       ret = isst_get_ctdp_control(cpu, pkg_dev.current_level, &ctdp_level);
+       if (ret) {
+               isst_display_error_info_message(1, "Failed to get current level", 0, 0);
+               goto disp_results;
+       }
+
+       if (!ctdp_level.fact_support) {
+               isst_display_error_info_message(1, "turbo-freq feature is not present at this level", 1, pkg_dev.current_level);
+               ret = -1;
+               goto disp_results;
+       }
+
        if (auto_mode && status) {
                ret = isst_pm_qos_config(cpu, 1, 1);
                if (ret)