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path: root/drivers/gpu/drm/omapdrm/dss/base.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/base.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/base.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c
index 991c424960c7..272858972496 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -236,6 +236,15 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
}
EXPORT_SYMBOL_GPL(omapdss_device_disconnect);
+enum omap_channel omapdss_device_get_dispc_channel(struct omap_dss_device *dssdev)
+{
+ while (dssdev->src)
+ dssdev = dssdev->src;
+
+ return dssdev->dispc_channel;
+}
+EXPORT_SYMBOL(omapdss_device_get_dispc_channel);
+
/* -----------------------------------------------------------------------------
* Components Handling
*/