drm/panfrost: use spinlock instead of atomic

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Convert busy_count to a simple int protected by spinlock.

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/20200710095409.407087-6-peron.clem@gmail.com

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

parent 9bfacfc82f

commit ed85df3f60

2 changed files with 40 additions and 12 deletions

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43

drivers/gpu/drm/panfrost/panfrost_devfreq.c

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9

drivers/gpu/drm/panfrost/panfrost_devfreq.h

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