summaryrefslogtreecommitdiffstats
path: root/drivers/video
diff options
context:
space:
mode:
authorTomi Valkeinen <tomi.valkeinen@ti.com>2013-08-06 09:50:52 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2014-03-19 11:03:06 +0200
commita6ec216493da705a5f6fc96098c5f4af10e2be44 (patch)
tree477a2d01597b2e1c84e987a6c255ecf71a31441d /drivers/video
parent4b13defce85d4e3cbd7ddfd701856a78772de373 (diff)
downloadop-kernel-dev-a6ec216493da705a5f6fc96098c5f4af10e2be44.zip
op-kernel-dev-a6ec216493da705a5f6fc96098c5f4af10e2be44.tar.gz
OMAPFB: search for default display with DT alias
Improve the search for the default display in two ways: * compare the given display name to the display's alias * if no display name is given, look for "display0" DT alias Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Archit Taneja <archit@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/omapfb/omapfb-main.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index b746963..f121e87 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -2423,7 +2423,10 @@ omapfb_find_default_display(struct omapfb2_device *fbdev)
const char *def_name;
int i;
- /* search with the display name from the user or the board file */
+ /*
+ * Search with the display name from the user or the board file,
+ * comparing to display names and aliases
+ */
def_name = omapdss_get_default_display_name();
@@ -2435,12 +2438,30 @@ omapfb_find_default_display(struct omapfb2_device *fbdev)
if (dssdev->name && strcmp(def_name, dssdev->name) == 0)
return dssdev;
+
+ if (strcmp(def_name, dssdev->alias) == 0)
+ return dssdev;
}
/* def_name given but not found */
return NULL;
}
+ /* then look for DT alias display0 */
+ for (i = 0; i < fbdev->num_displays; ++i) {
+ struct omap_dss_device *dssdev;
+ int id;
+
+ dssdev = fbdev->displays[i].dssdev;
+
+ if (dssdev->dev->of_node == NULL)
+ continue;
+
+ id = of_alias_get_id(dssdev->dev->of_node, "display");
+ if (id == 0)
+ return dssdev;
+ }
+
/* return the first display we have in the list */
return fbdev->displays[0].dssdev;
}
OpenPOWER on IntegriCloud