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authorQiang Yu <yuq825@gmail.com>2020-04-21 21:35:46 +0800
committerQiang Yu <yuq825@gmail.com>2020-04-24 20:50:57 +0800
commit4836cf044d74eb70bb28d3460d8c82e4aaf56d65 (patch)
tree8d6a5e9edc33972fc7bfd5647c5f2a548437a4eb /drivers
parent4eb70cd3f284e200c9e526bdd60ed720d5ab9e5c (diff)
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')
-rw-r--r--drivers/gpu/drm/lima/lima_devfreq.c24
-rw-r--r--drivers/gpu/drm/lima/lima_devfreq.h3
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