OMAP: DSS2: check for manager when enabling display

[~andy/linux] / drivers / video / omap2 / dss / dpi.c

diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index f053b180ecd7d14e00808c32afe4166e8e21d6d8..046ce0806e1439ca57c67d7e5c4c2860b97054d4 100644 (file)
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -176,6 +176,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
 {
        int r;
 
+       if (dssdev->manager == NULL) {
+               DSSERR("failed to enable display: no manager\n");
+               return -ENODEV;
+       }
+
        r = omap_dss_start_device(dssdev);
        if (r) {
                DSSERR("failed to start device\n");