summaryrefslogtreecommitdiff
path: root/tools/power/x86/intel-speed-select/isst-config.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/power/x86/intel-speed-select/isst-config.c')
-rw-r--r--tools/power/x86/intel-speed-select/isst-config.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index eaa420ac848d..0ce251b8d466 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -16,7 +16,7 @@ struct process_cmd_struct {
int arg;
};
-static const char *version_str = "v1.22";
+static const char *version_str = "v1.23";
static const int supported_api_ver = 3;
static struct isst_if_platform_info isst_platform_info;
@@ -26,6 +26,7 @@ static FILE *outf;
static int cpu_model;
static int cpu_stepping;
+static int extended_family;
#define MAX_CPUS_IN_ONE_REQ 512
static short max_target_cpus;
@@ -143,6 +144,14 @@ int is_icx_platform(void)
return 0;
}
+static int is_dmr_plus_platform(void)
+{
+ if (extended_family == 0x04)
+ return 1;
+
+ return 0;
+}
+
static int update_cpu_model(void)
{
unsigned int ebx, ecx, edx;
@@ -150,6 +159,7 @@ static int update_cpu_model(void)
__cpuid(1, fms, ebx, ecx, edx);
family = (fms >> 8) & 0xf;
+ extended_family = (fms >> 20) & 0x0f;
cpu_model = (fms >> 4) & 0xf;
if (family == 6 || family == 0xf)
cpu_model += ((fms >> 16) & 0xf) << 4;
@@ -1517,7 +1527,8 @@ display_result:
usleep(2000);
/* Adjusting uncore freq */
- isst_adjust_uncore_freq(id, tdp_level, &ctdp_level);
+ if (!is_dmr_plus_platform())
+ isst_adjust_uncore_freq(id, tdp_level, &ctdp_level);
fprintf(stderr, "Option is set to online/offline\n");
ctdp_level.core_cpumask_size =