From: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Date: Wed, 25 Feb 2015 17:03:56 +0000 (+0200)
Subject: omapdss: extend pm notifier to handle hibernation
X-Git-Tag: v4.1-rc1~68^2^2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=aa977f62dff4fb41e89b473c9831c292c01d8bfc;p=users%2Fdwmw2%2Flinux.git

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>
---

diff --git a/drivers/video/fbdev/omap2/dss/core.c b/drivers/video/fbdev/omap2/dss/core.c
index d5d92124e0199..16751755d4336 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();