omapdss: extend pm notifier to handle hibernation

Add handling of missed events in omap_dss_pm_notif which are
needed to support hibernation (suspend to disk).

Signed-off-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/video/fbdev/omap2/dss/core.c b/drivers/video/fbdev/omap2/dss/core.c
index d5d92124e019..16751755d433 100644
--- a/drivers/video/fbdev/omap2/dss/core.c
+++ b/drivers/video/fbdev/omap2/dss/core.c
@@ -179,10 +179,14 @@ static int omap_dss_pm_notif(struct notifier_block *b, unsigned long v, void *d)
 
         switch (v) {
         case PM_SUSPEND_PREPARE:
+        case PM_HIBERNATION_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();