On 25/02/15 19:03, [email protected] wrote: > From: Grygorii Strashko <[email protected]> > > Add handling of missed events in omap_dss_pm_notif which are > needed to support hibernation (suspend to disk). > > Signed-off-by: Grygorii Strashko <[email protected]> > --- > drivers/video/fbdev/omap2/dss/core.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/video/fbdev/omap2/dss/core.c > b/drivers/video/fbdev/omap2/dss/core.c > index 6b74f73..e60976a 100644 > --- a/drivers/video/fbdev/omap2/dss/core.c > +++ b/drivers/video/fbdev/omap2/dss/core.c > @@ -178,11 +178,15 @@ static int omap_dss_pm_notif(struct notifier_block *b, > unsigned long v, void *d) > DSSDBG("pm notif %lu\n", v); > > switch (v) { > + case PM_HIBERNATION_PREPARE: > case PM_SUSPEND_PREPARE: > + case PM_RESTORE_PREPARE: > DSSDBG("suspending displays\n"); > return dss_suspend_all_devices(); > > case PM_POST_SUSPEND: > + case PM_POST_HIBERNATION: > + case PM_POST_RESTORE: > DSSDBG("resuming displays\n"); > return dss_resume_all_devices(); >
Why suspend displays when PM_RESTORE_PREPARE happens? Why resume when PM_POST_RESTORE happens? Tomi
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