mirror of https://github.com/torvalds/linux.git
fbe409d138
Extend cpuidle state detection to POWER11 by updating the PVR check. This ensures POWER11 correctly recognizes supported stop states, similar to POWER9 and POWER10. Without Patch: (Power11 - PowerNV systems) CPUidle driver: powernv_idle CPUidle governor: menu analyzing CPU 927: Number of idle states: 1 Available idle states: snooze snooze: Flags/Description: snooze Latency: 0 Usage: 251631 Duration: 207497715900 -- With Patch: (Power11 - PowerNV systems) CPUidle driver: powernv_idle CPUidle governor: menu analyzing CPU 959: Number of idle states: 4 Available idle states: snooze stop0_lite stop0 stop3 snooze: Flags/Description: snooze Latency: 0 Usage: 2 Duration: 33 stop0_lite: Flags/Description: stop0_lite Latency: 1 Usage: 1 Duration: 52 stop0: Flags/Description: stop0 Latency: 10 Usage: 13 Duration: 1920 stop3: Flags/Description: stop3 Latency: 45 Usage: 381 Duration: 21638478 Signed-off-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Tested-by: Madadi Vineeth Reddy <vineethr@linux.ibm.com> Reviewed-by: Madadi Vineeth Reddy <vineethr@linux.ibm.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/20250908085123.216780-1-aboorvad@linux.ibm.com |
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