drm/sun4i: support TCONs without channel 1
Some Allwinner SoCs, such as the A33, have a variation of the TCON that
doesn't have a second channel (or it is not wired to anything).
Make sure we can handle that case.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h
index 100bfa0..12bd489 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.h
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h
@@ -164,6 +164,8 @@
bool has_mux;
struct drm_panel *panel;
+
+ bool has_channel_1;
};
struct drm_bridge *sun4i_tcon_find_bridge(struct device_node *node);