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[RFC,v1,0/2] Add platform specific callbacks for cpu cooling

Message ID 20200415030959.1463-1-zhang.lyra@gmail.com
Headers show
Series Add platform specific callbacks for cpu cooling | expand

Message

Chunyan Zhang April 15, 2020, 3:09 a.m. UTC 
From: Jeson Gao <jeson.gao@unisoc.com>

Reducing frequency to too low will affect the system performance, and
sometimes the temperature could not cool down to an ideal value as well
even if the frequency was reduced to the lowest.

This patch provides users a callback to set its own frequency limit to
prevent cpu frequence from being reduced too low. And also give an interface
to allow users to register specific cooling operations, such as unplug cores
or cpu isolation.

Any comments are very appreciated.

jeson.gao (2):
  thermal/drivers/cpufreq_cooling: Add platform callback functions
  thermal/drivers/sprd_cpu_cooling: Add platform mitigation thermal
    driver

 drivers/thermal/Kconfig            |   8 +
 drivers/thermal/Makefile           |   1 +
 drivers/thermal/cpufreq_cooling.c  |  53 +++++
 drivers/thermal/sprd_cpu_cooling.c | 340 +++++++++++++++++++++++++++++
 include/linux/cpu_cooling.h        |  30 +++
 5 files changed, 432 insertions(+)
 create mode 100644 drivers/thermal/sprd_cpu_cooling.c