diff options
| author | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-11-17 04:40:38 +0300 |
|---|---|---|
| committer | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2023-02-27 07:07:25 +0300 |
| commit | ba3be66f11c3c49afaa9f49b99e21d88756229ef (patch) | |
| tree | c104216a580ec376041a8a138e11333ee58f19ce | |
| parent | 9630b585b607bd26f505d34620b14d75b9a5af7d (diff) | |
drm/panfrost: Don't sync rpm suspension after mmu flushing
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: ec7eba47da86 ("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/
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_mmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c index 4e83a1891f3e..666a5e53fe19 100644 --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -282,7 +282,7 @@ static void panfrost_mmu_flush_range(struct panfrost_device *pfdev, if (pm_runtime_active(pfdev->dev)) mmu_hw_do_operation(pfdev, mmu, iova, size, AS_COMMAND_FLUSH_PT); - pm_runtime_put_sync_autosuspend(pfdev->dev); + pm_runtime_put_autosuspend(pfdev->dev); } static int mmu_map_sg(struct panfrost_device *pfdev, struct panfrost_mmu *mmu, |