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drm/panfrost: Register devfreq cooling and attempt to add Energy Model 

Register devfreq cooling device and attempt to register Energy Model. This
will add the devfreq device to the Energy Model framework. It will create
a dedicated and unified data structures used i.e. in thermal framework.
It uses simplified Energy Model, created based on voltage, frequency
and DT 'dynamic-power-coefficient'.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20201210143014.24685-6-lukasz.luba@arm.com
This commit is contained in:
Lukasz Luba 2020-12-10 14:30:14 +00:00 committed by Daniel Lezcano
parent 615510fe13
commit 23e9d78141
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/panfrost/panfrost_devfreq.c
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@ -143,7 +143,7 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)
}
pfdevfreq->devfreq = devfreq;
cooling = of_devfreq_cooling_register(dev->of_node, devfreq);
cooling = devfreq_cooling_em_register(devfreq, NULL);
if (IS_ERR(cooling))
DRM_DEV_INFO(dev, "Failed to register cooling device\n");
else