drm/panfrost: Don't sync rpm suspension after mmu flushing

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[ Upstream commit ba3be66f11 ]

Lockdep warns about potential circular locking dependency of devfreq
with the fs_reclaim caused by immediate device suspension when mapping is
released by shrinker. Fix it by doing the suspension asynchronously.

Reviewed-by: Steven Price <steven.price@arm.com>
Fixes: ec7eba47da ("drm/panfrost: Rework page table flushing and runtime PM interaction")
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://lore.kernel.org/all/20230108210445.3948344-3-dmitry.osipenko@collabora.com/
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Dmitry Osipenko 2022-11-17 04:40:38 +03:00 • committed by Greg Kroah-Hartman

parent 3d824c7df5

commit 8f01121b38

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/panfrost/panfrost_mmu.c

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