Commit 5d1767ce authored by Ben Hutchings's avatar Ben Hutchings Committed by Sasha Levin

cpupower: Fix turbo frequency reporting for pre-Sandy Bridge cores

[ Upstream commit 4cca0457 ]

The switch that conditionally sets CPUPOWER_CAP_HAS_TURBO_RATIO and
CPUPOWER_CAP_IS_SNB flags is missing a break, so all cores get both
flags set and an assumed base clock of 100 MHz for turbo values.
Reported-by: default avatarGSR <gsr.bugs@infernal-iceberg.com>
Tested-by: default avatarGSR <gsr.bugs@infernal-iceberg.com>
References: https://bugs.debian.org/859978
Fixes: 8fb2e440 (cpupower: Show Intel turbo ratio support via ...)
Signed-off-by: default avatarBen Hutchings <ben@decadent.org.uk>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
parent 16968228
......@@ -156,6 +156,7 @@ int get_cpu_info(unsigned int cpu, struct cpupower_cpu_info *cpu_info)
*/
case 0x2C: /* Westmere EP - Gulftown */
cpu_info->caps |= CPUPOWER_CAP_HAS_TURBO_RATIO;
break;
case 0x2A: /* SNB */
case 0x2D: /* SNB Xeon */
case 0x3A: /* IVB */
......
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