Commit 4836cf04 authored by Qiang Yu's avatar Qiang Yu
Browse files

drm/lima: add lima_devfreq_resume/suspend 



Used for device resume/suspend in the following commits.

Tested-by: default avatarBhushan Shah <bshah@kde.org>
Reviewed-by: default avatarVasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: default avatarQiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-6-yuq825@gmail.com
parent 4eb70cd3

drivers/gpu/drm/lima/lima_devfreq.c

+24 −0
Original line number Diff line number Diff line
@@ -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);

}

drivers/gpu/drm/lima/lima_devfreq.h

+3 −0
Original line number Diff line number Diff line
@@ -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

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