tools/power/x86/intel-speed-select: Display error on turbo mode disabled

For Intel SST turbo-freq feature to be enabled, the turbo mode on the
platform must be enabled also. If turbo mode is disabled, display error
while enabling turbo-freq feature.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20220510023421.3930540-1-srinivas.pandruvada@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index 060390e..9d35614 100644 (file)
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -1892,6 +1892,12 @@ static void set_fact_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
        int ret;
        int status = *(int *)arg4;
 
+       if (status && no_turbo()) {
+               isst_display_error_info_message(1, "Turbo mode is disabled", 0, 0);
+               ret = -1;
+               goto disp_results;
+       }
+
        ret = isst_get_ctdp_levels(cpu, &pkg_dev);
        if (ret) {
                isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);