diff options
| author | Qiang Yu <yuq825@gmail.com> | 2020-04-21 16:35:46 +0300 |
|---|---|---|
| committer | Qiang Yu <yuq825@gmail.com> | 2020-04-24 15:50:57 +0300 |
| commit | 4836cf044d74eb70bb28d3460d8c82e4aaf56d65 (patch) | |
| tree | 8d6a5e9edc33972fc7bfd5647c5f2a548437a4eb /drivers/gpu/drm/lima | |
| parent | 4eb70cd3f284e200c9e526bdd60ed720d5ab9e5c (diff) | |
| download | linux-4836cf044d74eb70bb28d3460d8c82e4aaf56d65.tar.xz | |
drm/lima: add lima_devfreq_resume/suspend
Used for device resume/suspend in the following commits.
Tested-by: Bhushan Shah <bshah@kde.org>
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-6-yuq825@gmail.com
Diffstat (limited to 'drivers/gpu/drm/lima')
| -rw-r--r-- | drivers/gpu/drm/lima/lima_devfreq.c | 24 | ||||
| -rw-r--r-- | drivers/gpu/drm/lima/lima_devfreq.h | 3 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c index 1d479b5924fe..bbe02817721b 100644 --- a/drivers/gpu/drm/lima/lima_devfreq.c +++ b/drivers/gpu/drm/lima/lima_devfreq.c @@ -231,3 +231,27 @@ void lima_devfreq_record_idle(struct lima_devfreq *devfreq) spin_unlock_irqrestore(&devfreq->lock, irqflags); } + +int lima_devfreq_resume(struct lima_devfreq *devfreq) +{ + unsigned long irqflags; + + if (!devfreq->devfreq) + return 0; + + spin_lock_irqsave(&devfreq->lock, irqflags); + + lima_devfreq_reset(devfreq); + + spin_unlock_irqrestore(&devfreq->lock, irqflags); + + return devfreq_resume_device(devfreq->devfreq); +} + +int lima_devfreq_suspend(struct lima_devfreq *devfreq) +{ + if (!devfreq->devfreq) + return 0; + + return devfreq_suspend_device(devfreq->devfreq); +} diff --git a/drivers/gpu/drm/lima/lima_devfreq.h b/drivers/gpu/drm/lima/lima_devfreq.h index 8d71ba9fb22a..5eed2975a375 100644 --- a/drivers/gpu/drm/lima/lima_devfreq.h +++ b/drivers/gpu/drm/lima/lima_devfreq.h @@ -38,4 +38,7 @@ void lima_devfreq_fini(struct lima_device *ldev); void lima_devfreq_record_busy(struct lima_devfreq *devfreq); void lima_devfreq_record_idle(struct lima_devfreq *devfreq); +int lima_devfreq_resume(struct lima_devfreq *devfreq); +int lima_devfreq_suspend(struct lima_devfreq *devfreq); + #endif |