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>

1 files changed, 5 insertions, 2 deletions

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;