From: Ville Syrjälä <ville.syrjala@nokia.com>
Date: Thu, 4 Mar 2010 14:03:56 +0000 (+0200)
Subject: OMAP: DSS2: Make wait_for_go() succeed for disabled displays
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=a74b260502c0911d14bafb76a20f699b6caa2e91;p=deliverable%2Flinux.git

OMAP: DSS2: Make wait_for_go() succeed for disabled displays

When the display is not active make the wait_for_go() functions return
immediately.

Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---

diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index 9e1fbe531bf0..7e1ec5af6c70 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -525,7 +525,7 @@ static int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
 	int i;
 	struct omap_dss_device *dssdev = mgr->device;
 
-	if (!dssdev)
+	if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
 		return 0;
 
 	if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) {
@@ -596,11 +596,14 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
 	int r;
 	int i;
 
-	if (!ovl->manager || !ovl->manager->device)
+	if (!ovl->manager)
 		return 0;
 
 	dssdev = ovl->manager->device;
 
+	if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
 	if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) {
 		irq = DISPC_IRQ_EVSYNC_ODD | DISPC_IRQ_EVSYNC_EVEN;
 		channel = OMAP_DSS_CHANNEL_DIGIT;