4 commits

Author	SHA1	Message	Date
guanyi3	3839a11f2b	drivers/devfreq: add ondemand governor build support ... Add Kconfig, Make.defs, and CMakeLists.txt entries for the ondemand governor so it can be enabled via CONFIG_DEVFREQ_GOV_ONDEMAND. Signed-off-by: guanyi3 <guanyi3@xiaomi.com>	2026-08-08 15:23:54 -03:00
guanyi3	1e2f9745cb	drivers/devfreq: remove default governor ... It's better not to use global governor, as modifying one device will cause all devices' governor to be modified. Signed-off-by: guanyi3 <guanyi3@xiaomi.com>	2026-08-08 15:23:54 -03:00
guanyi	827b455f68	driver/devfreq: add procfs for devfreq ... > ls /proc/devfreq /proc/devfreq: test_devfreq > cat /proc/devfreq/test_devfreq devfreq: test_devfreq governor: test_devfreq_governor cur_freq: 500 suspended: False freq_table: 100 300 500 700 900 qos_list(min, max, backtrace): 195, 829, 0x4007c26 0x40a0e0e 0x405c706 0x4011186 0x4010dca 0x42777cc 0x4062f7e 0x409da6a Signed-off-by: guanyi <guanyi@xiaomi.com>	2026-08-08 15:23:54 -03:00
guanyi	e29a7bcb07	driver/devfreq: DVFS framework for devices ... This commit introduces a devfreq framework to manage device frequency scaling. The framework includes the following features: 1.devfreq governor - provide governor ops, including init, start, stop, exit - default governor, performance & powersave - customized governor, device can provide governor when register 2.runtime register and unregister - device can runtime register & unregister, search by name 3.suspend and resume - suspend and resume frequency scaling 4.notify - register & unregister notifier callback, notify frequency changes 5.qos support - simplified QoS, manage multiple freq range request - including init, add/remove/update request, get value Signed-off-by: guanyi <guanyi@xiaomi.com>	2026-08-08 15:23:54 -03:00