Revision tags: v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43 |
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521b512b |
| 27-May-2020 |
Lukasz Luba <lukasz.luba@arm.com> |
PM / EM: change naming convention from 'capacity' to 'performance'
The Energy Model uses concept of performance domain and capacity states in order to calculate power used by CPUs. Change naming con
PM / EM: change naming convention from 'capacity' to 'performance'
The Energy Model uses concept of performance domain and capacity states in order to calculate power used by CPUs. Change naming convention from capacity to performance state would enable wider usage in future, e.g. upcoming support for other devices other than CPUs.
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Quentin Perret <qperret@google.com> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Revision tags: v5.4.42, v5.4.41 |
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c65f83c0 |
| 11-May-2020 |
Amit Kucheria <amit.kucheria@linaro.org> |
thermal/drivers/cpufreq_cooling: Replace module.h with export.h
cpufreq_cooling cannot be modular, remove the unnecessary module.h include and replace with export.h to handle EXPORT_SYMBOL family of
thermal/drivers/cpufreq_cooling: Replace module.h with export.h
cpufreq_cooling cannot be modular, remove the unnecessary module.h include and replace with export.h to handle EXPORT_SYMBOL family of macros.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/7a439e41e91d8bc5ff99207f99723fcf04ca36eb.1589199124.git.amit.kucheria@linaro.org
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5ccb451e |
| 11-May-2020 |
Amit Kucheria <amit.kucheria@linaro.org> |
thermal/drivers/cpufreq_cooling: Sort headers alphabetically
Sort headers to make it easier to read and find duplicate headers.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by
thermal/drivers/cpufreq_cooling: Sort headers alphabetically
Sort headers to make it easier to read and find duplicate headers.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/4231f5dfe758b9bf716981be71cadf9642c83528.1589199124.git.amit.kucheria@linaro.org
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Revision tags: v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28 |
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40ea5685 |
| 21-Mar-2020 |
Daniel Lezcano <daniel.lezcano@linaro.org> |
thermal/drivers/cpufreq_cooling: Remove abusing WARN_ON
The WARN_ON macros are used at the entry functions state2power() and set_cur_state().
state2power() is called with the max_state retrieved fr
thermal/drivers/cpufreq_cooling: Remove abusing WARN_ON
The WARN_ON macros are used at the entry functions state2power() and set_cur_state().
state2power() is called with the max_state retrieved from get_max_state which returns cpufreq_cdev->max_level, then it check if max_state is > cpufreq_cdev->max_level. The test does not really makes sense but let's assume we want to make sure to catch an error if the code evolves. However the WARN_ON is overkill.
set_cur_state() is also called from userspace if we write to the sysfs. It is easy to see a stack dumped by just writing to sysfs /sys/class/thermal/cooling_device0/cur_state a value greater than "max_level". A bit scary. Returing -EINVAL is enough.
Remove these WARN_ON.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/r/20200321193107.21590-1-daniel.lezcano@linaro.org
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ff44f672 |
| 21-Mar-2020 |
Willy Wolff <willy.mh.wolff.ml@gmail.com> |
thermal/drivers/cpufreq_cooling: Fix return of cpufreq_set_cur_state
When setting the cooling device current state from userspace via sysfs, the operation fails by returning an -EINVAL.
It appears
thermal/drivers/cpufreq_cooling: Fix return of cpufreq_set_cur_state
When setting the cooling device current state from userspace via sysfs, the operation fails by returning an -EINVAL.
It appears the recent changes with the per-policy frequency QoS introduced a regression as reported by:
https://lkml.org/lkml/2020/3/20/599
The function freq_qos_update_request returns 0 or 1 describing update effectiveness, and a negative error code on failure. However, cpufreq_set_cur_state returns 0 on success or an error code otherwise.
Consider the QoS update as successful if the function does not return an error.
Fixes: 3000ce3c52f8b ("cpufreq: Use per-policy frequency QoS") Signed-off-by: Willy Wolff <willy.mh.wolff.ml@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200321092740.7vvwfxsebcrznydh@macmini.local
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Revision tags: v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22 |
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f12e4f66 |
| 21-Feb-2020 |
Thara Gopinath <thara.gopinath@linaro.org> |
thermal/cpu-cooling: Update thermal pressure in case of a maximum frequency capping
Thermal governors can request for a CPU's maximum supported frequency to be capped in case of an overheat event. T
thermal/cpu-cooling: Update thermal pressure in case of a maximum frequency capping
Thermal governors can request for a CPU's maximum supported frequency to be capped in case of an overheat event. This in turn means that the maximum capacity available for tasks to run on the particular CPU is reduced. Delta between the original maximum capacity and capped maximum capacity is known as thermal pressure. Enable cpufreq cooling device to update the thermal pressure in event of a capped maximum frequency.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lkml.kernel.org/r/20200222005213.3873-9-thara.gopinath@linaro.org
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Revision tags: v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6 |
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23affa2e |
| 19-Dec-2019 |
Daniel Lezcano <daniel.lezcano@linaro.org> |
thermal/drivers/cpu_cooling: Rename to cpufreq_cooling
As we introduced the idle injection cooling device called cpuidle_cooling, let's be consistent and rename the cpu_cooling to cpufreq_cooling as
thermal/drivers/cpu_cooling: Rename to cpufreq_cooling
As we introduced the idle injection cooling device called cpuidle_cooling, let's be consistent and rename the cpu_cooling to cpufreq_cooling as this one mitigates with OPPs changes.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Link: https://lore.kernel.org/r/20191219225317.17158-3-daniel.lezcano@linaro.org
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f2b24004 |
| 14-Jun-2021 |
Lukasz Luba <lukasz.luba@arm.com> |
thermal/cpufreq_cooling: Update offline CPUs per-cpu thermal_pressure [ Upstream commit 2ad8ccc17d1e4270cf65a3f2a07a7534aa23e3fb ] The thermal pressure signal gives information to t
thermal/cpufreq_cooling: Update offline CPUs per-cpu thermal_pressure [ Upstream commit 2ad8ccc17d1e4270cf65a3f2a07a7534aa23e3fb ] The thermal pressure signal gives information to the scheduler about reduced CPU capacity due to thermal. It is based on a value stored in a per-cpu 'thermal_pressure' variable. The online CPUs will get the new value there, while the offline won't. Unfortunately, when the CPU is back online, the value read from per-cpu variable might be wrong (stale data). This might affect the scheduler decisions, since it sees the CPU capacity differently than what is actually available. Fix it by making sure that all online+offline CPUs would get the proper value in their per-cpu variable when thermal framework sets capping. Fixes: f12e4f66ab6a3 ("thermal/cpu-cooling: Update thermal pressure in case of a maximum frequency capping") Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/r/20210614191030.22241-1-lukasz.luba@arm.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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c24a2091 |
| 28-Dec-2020 |
brian-sy yang <brian-sy.yang@mediatek.com> |
thermal/drivers/cpufreq_cooling: Fix slab OOB issue commit 34ab17cc6c2c1ac93d7e5d53bb972df9a968f085 upstream. Slab OOB issue is scanned by KASAN in cpu_power_to_freq(). If power
thermal/drivers/cpufreq_cooling: Fix slab OOB issue commit 34ab17cc6c2c1ac93d7e5d53bb972df9a968f085 upstream. Slab OOB issue is scanned by KASAN in cpu_power_to_freq(). If power is limited below the power of OPP0 in EM table, it will cause slab out-of-bound issue with negative array index. Return the lowest frequency if limited power cannot found a suitable OPP in EM table to fix this issue. Backtrace: [<ffffffd02d2a37f0>] die+0x104/0x5ac [<ffffffd02d2a5630>] bug_handler+0x64/0xd0 [<ffffffd02d288ce4>] brk_handler+0x160/0x258 [<ffffffd02d281e5c>] do_debug_exception+0x248/0x3f0 [<ffffffd02d284488>] el1_dbg+0x14/0xbc [<ffffffd02d75d1d4>] __kasan_report+0x1dc/0x1e0 [<ffffffd02d75c2e0>] kasan_report+0x10/0x20 [<ffffffd02d75def8>] __asan_report_load8_noabort+0x18/0x28 [<ffffffd02e6fce5c>] cpufreq_power2state+0x180/0x43c [<ffffffd02e6ead80>] power_actor_set_power+0x114/0x1d4 [<ffffffd02e6fac24>] allocate_power+0xaec/0xde0 [<ffffffd02e6f9f80>] power_allocator_throttle+0x3ec/0x5a4 [<ffffffd02e6ea888>] handle_thermal_trip+0x160/0x294 [<ffffffd02e6edd08>] thermal_zone_device_check+0xe4/0x154 [<ffffffd02d351cb4>] process_one_work+0x5e4/0xe28 [<ffffffd02d352f44>] worker_thread+0xa4c/0xfac [<ffffffd02d360124>] kthread+0x33c/0x358 [<ffffffd02d289940>] ret_from_fork+0xc/0x18 Fixes: 371a3bc79c11b ("thermal/drivers/cpufreq_cooling: Fix wrong frequency converted from power") Signed-off-by: brian-sy yang <brian-sy.yang@mediatek.com> Signed-off-by: Michael Kao <michael.kao@mediatek.com> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Cc: stable@vger.kernel.org #v5.7 Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20201229050831.19493-1-michael.kao@mediatek.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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b3df1eac |
| 16-Feb-2021 |
Viresh Kumar <viresh.kumar@linaro.org> |
thermal: cpufreq_cooling: freq_qos_update_request() returns < 0 on error commit a51afb13311cd85b2f638c691b2734622277d8f5 upstream. freq_qos_update_request() returns 1 if the effecti
thermal: cpufreq_cooling: freq_qos_update_request() returns < 0 on error commit a51afb13311cd85b2f638c691b2734622277d8f5 upstream. freq_qos_update_request() returns 1 if the effective constraint value has changed, 0 if the effective constraint value has not changed, or a negative error code on failures. The frequency constraints for CPUs can be set by different parts of the kernel. If the maximum frequency constraint set by other parts of the kernel are set at a lower value than the one corresponding to cooling state 0, then we will never be able to cool down the system as freq_qos_update_request() will keep on returning 0 and we will skip updating cpufreq_state and thermal pressure. Fix that by doing the updates even in the case where freq_qos_update_request() returns 0, as we have effectively set the constraint to a new value even if the consolidated value of the actual constraint is unchanged because of external factors. Cc: v5.7+ <stable@vger.kernel.org> # v5.7+ Reported-by: Thara Gopinath <thara.gopinath@linaro.org> Fixes: f12e4f66ab6a ("thermal/cpu-cooling: Update thermal pressure in case of a maximum frequency capping") Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Tested-by: Lukasz Luba <lukasz.luba@arm.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Thara Gopinath<thara.gopinath@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/b2b7e84944937390256669df5a48ce5abba0c1ef.1613540713.git.viresh.kumar@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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b98ce1a1 |
| 06-Nov-2020 |
Zhuguangqing <zhuguangqing@xiaomi.com> |
thermal/drivers/cpufreq_cooling: Update cpufreq_state only if state has changed commit 236761f19a4f373354f1dcf399b57753f1f4b871 upstream. If state has not changed successfully and w
thermal/drivers/cpufreq_cooling: Update cpufreq_state only if state has changed commit 236761f19a4f373354f1dcf399b57753f1f4b871 upstream. If state has not changed successfully and we updated cpufreq_state, next time when the new state is equal to cpufreq_state (not changed successfully last time), we will return directly and miss a freq_qos_update_request() that should have been. Fixes: 5130802ddbb1 ("thermal: cpu_cooling: Switch to QoS requests for freq limits") Cc: v5.4+ <stable@vger.kernel.org> # v5.4+ Signed-off-by: Zhuguangqing <zhuguangqing@xiaomi.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20201106092243.15574-1-zhuguangqing83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10 |
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ecd1d2a3 |
| 14-Sep-2020 |
zhuguangqing <zhuguangqing@xiaomi.com> |
thermal: cooling: Remove unused variable *tz 1. devfreq_cooling.c: The variable *tz is not used in devfreq_cooling_get_requested_power(), devfreq_cooling_state2power() and devfreq_co
thermal: cooling: Remove unused variable *tz 1. devfreq_cooling.c: The variable *tz is not used in devfreq_cooling_get_requested_power(), devfreq_cooling_state2power() and devfreq_cooling_power2state(). 2. cpufreq_cooling.c: After 84fe2cab48590, the variable *tz is not used anymore in cpufreq_get_requested_power(), cpufreq_state2power() and cpufreq_power2state(). Remove the variable *tz. Signed-off-by: zhuguangqing <zhuguangqing@xiaomi.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200914071101.13575-1-zhuguangqing83@gmail.com
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5b564207 |
| 03-Aug-2020 |
Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
Merge branches 'pm-em' and 'pm-core' * pm-em: OPP: refactor dev_pm_opp_of_register_em() and update related drivers Documentation: power: update Energy Model description PM
Merge branches 'pm-em' and 'pm-core' * pm-em: OPP: refactor dev_pm_opp_of_register_em() and update related drivers Documentation: power: update Energy Model description PM / EM: change name of em_pd_energy to em_cpu_energy PM / EM: remove em_register_perf_domain PM / EM: add support for other devices than CPUs in Energy Model PM / EM: update callback structure and add device pointer PM / EM: introduce em_dev_register_perf_domain function PM / EM: change naming convention from 'capacity' to 'performance' * pm-core: mmc: jz4740: Use pm_ptr() macro PM: Make *_DEV_PM_OPS macros use __maybe_unused PM: core: introduce pm_ptr() macro
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Revision tags: v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48 |
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371a3bc7 |
| 19-Jun-2020 |
Finley Xiao <finley.xiao@rock-chips.com> |
thermal/drivers/cpufreq_cooling: Fix wrong frequency converted from power The function cpu_power_to_freq is used to find a frequency and set the cooling device to consume at most the pow
thermal/drivers/cpufreq_cooling: Fix wrong frequency converted from power The function cpu_power_to_freq is used to find a frequency and set the cooling device to consume at most the power to be converted. For example, if the power to be converted is 80mW, and the em table is as follow. struct em_cap_state table[] = { /* KHz mW */ { 1008000, 36, 0 }, { 1200000, 49, 0 }, { 1296000, 59, 0 }, { 1416000, 72, 0 }, { 1512000, 86, 0 }, }; The target frequency should be 1416000KHz, not 1512000KHz. Fixes: 349d39dc5739 ("thermal: cpu_cooling: merge frequency and power tables") Cc: <stable@vger.kernel.org> # v4.13+ Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200619090825.32747-1-finley.xiao@rock-chips.com
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Revision tags: v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43 |
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521b512b |
| 27-May-2020 |
Lukasz Luba <lukasz.luba@arm.com> |
PM / EM: change naming convention from 'capacity' to 'performance' The Energy Model uses concept of performance domain and capacity states in order to calculate power used by CPUs. Chang
PM / EM: change naming convention from 'capacity' to 'performance' The Energy Model uses concept of performance domain and capacity states in order to calculate power used by CPUs. Change naming convention from capacity to performance state would enable wider usage in future, e.g. upcoming support for other devices other than CPUs. Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Quentin Perret <qperret@google.com> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Revision tags: v5.4.42, v5.4.41 |
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c65f83c0 |
| 11-May-2020 |
Amit Kucheria <amit.kucheria@linaro.org> |
thermal/drivers/cpufreq_cooling: Replace module.h with export.h cpufreq_cooling cannot be modular, remove the unnecessary module.h include and replace with export.h to handle EXPORT_SYMB
thermal/drivers/cpufreq_cooling: Replace module.h with export.h cpufreq_cooling cannot be modular, remove the unnecessary module.h include and replace with export.h to handle EXPORT_SYMBOL family of macros. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/7a439e41e91d8bc5ff99207f99723fcf04ca36eb.1589199124.git.amit.kucheria@linaro.org
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5ccb451e |
| 11-May-2020 |
Amit Kucheria <amit.kucheria@linaro.org> |
thermal/drivers/cpufreq_cooling: Sort headers alphabetically Sort headers to make it easier to read and find duplicate headers. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.or
thermal/drivers/cpufreq_cooling: Sort headers alphabetically Sort headers to make it easier to read and find duplicate headers. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/4231f5dfe758b9bf716981be71cadf9642c83528.1589199124.git.amit.kucheria@linaro.org
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34183ddd |
| 07-Apr-2020 |
Linus Torvalds <torvalds@linux-foundation.org> |
Merge tag 'thermal-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux Pull thermal updates from Daniel Lezcano: - Convert tsens configuration DT binding to ya
Merge tag 'thermal-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux Pull thermal updates from Daniel Lezcano: - Convert tsens configuration DT binding to yaml (Rajeshwari) - Add interrupt support on the rcar sensor (Niklas Söderlund) - Add a new Spreadtrum thermal driver (Baolin Wang) - Add thermal binding for the fsl scu board, a new API to retrieve the sensor id bound to the thermal zone and i.MX system controller sensor (Anson Huang)) - Remove warning log when a deferred probe is requested on Exynos (Marek Szyprowski) - Add the thermal monitoring unit support for imx8mm with its DT bindings (Anson Huang) - Rephrase the Kconfig text for clarity (Linus Walleij) - Use the gpio descriptor for the ti-soc-thermal (Linus Walleij) - Align msg structure to 4 bytes for i.MX SC, fix the Kconfig dependency, add the __may_be unused annotation for PM functions and the COMPILE_TEST option for imx8mm (Anson Huang) - Fix a dependency on regmap in Kconfig for qoriq (Yuantian Tang) - Add DT binding and support for the rcar gen3 r8a77961 and improve the error path on the rcar init function (Niklas Söderlund) - Cleanup and improvements for the tsens Qcom sensor (Amit Kucheria) - Improve code by removing lock and caching values in the rcar thermal sensor (Niklas Söderlund) - Cleanup in the qoriq drivers and add a call to imx_thermal_unregister_legacy_cooling in the removal function (Anson Huang) - Remove redundant 'maxItems' in tsens and sprd DT bindings (Rob Herring) - Change the thermal DT bindings by making the cooling-maps optional (Yuantian Tang) - Add Tiger Lake support (Sumeet Pawnikar) - Use scnprintf() for avoiding potential buffer overflow (Takashi Iwai) - Make pkg_temp_lock a raw_spinlock_t(Clark Williams) - Fix incorrect data types by changing them to signed on i.MX SC (Anson Huang) - Replace zero-length array with flexible-array member (Gustavo A. R. Silva) - Add support for i.MX8MP in the driver and in the DT bindings (Anson Huang) - Fix return value of the cpufreq_set_cur_state() function (Willy Wolff) - Remove abusing and scary WARN_ON in the cpufreq cooling device (Daniel Lezcano) - Fix build warning of incorrect argument type reported by sparse on imx8mm (Anson Huang) - Fix stub for the devfreq cooling device (Martin Blumenstingl) - Fix cpu idle cooling documentation (Sergey Vidishev) * tag 'thermal-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (52 commits) Documentation: cpu-idle-cooling: Fix diagram for 33% duty cycle thermal: devfreq_cooling: inline all stubs for CONFIG_DEVFREQ_THERMAL=n thermal: imx8mm: Fix build warning of incorrect argument type thermal/drivers/cpufreq_cooling: Remove abusing WARN_ON thermal/drivers/cpufreq_cooling: Fix return of cpufreq_set_cur_state thermal: imx8mm: Add i.MX8MP support dt-bindings: thermal: imx8mm-thermal: Add support for i.MX8MP thermal: qcom: tsens.h: Replace zero-length array with flexible-array member thermal: imx_sc_thermal: Fix incorrect data type thermal: int340x_thermal: Use scnprintf() for avoiding potential buffer overflow thermal: int340x: processor_thermal: Add Tiger Lake support thermal/x86_pkg_temp: Make pkg_temp_lock a raw_spinlock_t dt-bindings: thermal: make cooling-maps property optional dt-bindings: thermal: qcom-tsens: Remove redundant 'maxItems' dt-bindings: thermal: sprd: Remove redundant 'maxItems' thermal: imx: Calling imx_thermal_unregister_legacy_cooling() in .remove thermal: qoriq: Sort includes alphabetically thermal: qoriq: Use devm_add_action_or_reset() to handle all cleanups thermal: rcar_thermal: Remove lock in rcar_thermal_get_current_temp() thermal: rcar_thermal: Do not store ctemp in rcar_thermal_priv ...
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Revision tags: v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28 |
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40ea5685 |
| 21-Mar-2020 |
Daniel Lezcano <daniel.lezcano@linaro.org> |
thermal/drivers/cpufreq_cooling: Remove abusing WARN_ON The WARN_ON macros are used at the entry functions state2power() and set_cur_state(). state2power() is called with the ma
thermal/drivers/cpufreq_cooling: Remove abusing WARN_ON The WARN_ON macros are used at the entry functions state2power() and set_cur_state(). state2power() is called with the max_state retrieved from get_max_state which returns cpufreq_cdev->max_level, then it check if max_state is > cpufreq_cdev->max_level. The test does not really makes sense but let's assume we want to make sure to catch an error if the code evolves. However the WARN_ON is overkill. set_cur_state() is also called from userspace if we write to the sysfs. It is easy to see a stack dumped by just writing to sysfs /sys/class/thermal/cooling_device0/cur_state a value greater than "max_level". A bit scary. Returing -EINVAL is enough. Remove these WARN_ON. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/r/20200321193107.21590-1-daniel.lezcano@linaro.org
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ff44f672 |
| 21-Mar-2020 |
Willy Wolff <willy.mh.wolff.ml@gmail.com> |
thermal/drivers/cpufreq_cooling: Fix return of cpufreq_set_cur_state When setting the cooling device current state from userspace via sysfs, the operation fails by returning an -EINVAL.
thermal/drivers/cpufreq_cooling: Fix return of cpufreq_set_cur_state When setting the cooling device current state from userspace via sysfs, the operation fails by returning an -EINVAL. It appears the recent changes with the per-policy frequency QoS introduced a regression as reported by: https://lkml.org/lkml/2020/3/20/599 The function freq_qos_update_request returns 0 or 1 describing update effectiveness, and a negative error code on failure. However, cpufreq_set_cur_state returns 0 on success or an error code otherwise. Consider the QoS update as successful if the function does not return an error. Fixes: 3000ce3c52f8b ("cpufreq: Use per-policy frequency QoS") Signed-off-by: Willy Wolff <willy.mh.wolff.ml@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200321092740.7vvwfxsebcrznydh@macmini.local
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Revision tags: v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22 |
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f12e4f66 |
| 21-Feb-2020 |
Thara Gopinath <thara.gopinath@linaro.org> |
thermal/cpu-cooling: Update thermal pressure in case of a maximum frequency capping Thermal governors can request for a CPU's maximum supported frequency to be capped in case of an overh
thermal/cpu-cooling: Update thermal pressure in case of a maximum frequency capping Thermal governors can request for a CPU's maximum supported frequency to be capped in case of an overheat event. This in turn means that the maximum capacity available for tasks to run on the particular CPU is reduced. Delta between the original maximum capacity and capped maximum capacity is known as thermal pressure. Enable cpufreq cooling device to update the thermal pressure in event of a capped maximum frequency. Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lkml.kernel.org/r/20200222005213.3873-9-thara.gopinath@linaro.org
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Revision tags: v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6 |
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23affa2e |
| 19-Dec-2019 |
Daniel Lezcano <daniel.lezcano@linaro.org> |
thermal/drivers/cpu_cooling: Rename to cpufreq_cooling As we introduced the idle injection cooling device called cpuidle_cooling, let's be consistent and rename the cpu_cooling to cp
thermal/drivers/cpu_cooling: Rename to cpufreq_cooling As we introduced the idle injection cooling device called cpuidle_cooling, let's be consistent and rename the cpu_cooling to cpufreq_cooling as this one mitigates with OPPs changes. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Link: https://lore.kernel.org/r/20191219225317.17158-3-daniel.lezcano@linaro.org
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