| Commit message (Collapse) | Author | Age | Files | Lines |
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The thermal governors are part of the thermal framework,
rather than a seperate feature/module.
Because the generic thermal layer can not work without
thermal governors, and it must load the thermal governors
during its initialization.
Build them into one module in this patch.
This also fix a problem that the generic thermal layer does not
work when CONFIG_THERMAL=m and CONFIG_THERMAL_GOV_XXX=y.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Acked-by: Durgadoss R <durgadoss.r@intel.com>
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When selecting a target cooling state in get_target_state(), make sure
that the state is at least as high as the minimum when the temperature
is rising and at least as low as the maximum when the temperature is
falling. This is necessary because, in the THREAML_TREND_RAISING and
THERMAL_TREND_DROPPING cases, the current state may only be incremented
or decremented by one even if it is outside the bounds of the thermal
instance. This might occur, for example, if the CPU is heating up
and hits a thermal trip point for the first time when it's frequency
is much higher than the range specified by the thermal instance
corresponding to the trip point.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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step_wise governor should set the device cooling state to
upper/lower limit directly when THERMAL_TREND_RAISE/DROP_FULL.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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Fix DEFAULT_THERMAL_GOVERNOR to be consistant with the
default governor selected in kernel config file.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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Fixes the following sparse warnings:
drivers/thermal/step_wise.c:153:5: warning:
symbol 'step_wise_throttle' was not declared. Should it be static?
drivers/thermal/step_wise.c:172:25: warning:
symbol 'thermal_gov_step_wise' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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This patch adds a simple step_wise governor to the
generic thermal layer. This algorithm throttles the
cooling devices in a linear fashion. If the 'trend'
is heating, it throttles by one step. And if the
thermal trend is cooling it de-throttles by one step.
This actually moves the throttling logic from thermal_sys.c
and puts inside step_wise.c, without any change.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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