drm/panfrost: add regulators to devfreq

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Some OPP tables specify voltage for each frequency. Devfreq can
handle these regulators but they should be get only 1 time to avoid
issue and know who is in charge.

If OPP table is probe don't init regulator.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Signed-off-by: Clément Péron <peron.clem@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-11-peron.clem@gmail.com

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Clément Péron 2020-07-10 11:54:05 +02:00 • committed by Rob Herring

parent 512f21227f

commit fd587ff01d

3 changed files with 33 additions and 7 deletions

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29

drivers/gpu/drm/panfrost/panfrost_devfreq.c

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2

drivers/gpu/drm/panfrost/panfrost_devfreq.h

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9

drivers/gpu/drm/panfrost/panfrost_device.c

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