drm/bridge: sii902x: add input_bus_flags

The driver always sets InputBusFmt:EDGE to 0 (falling edge).

Add drm_bridge_timings's input_bus_flags to reflect that the bridge
samples on falling edges.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/deb02a1fd508c514472a4e660092f301e6681361.1558964241.git.jsarha@ti.com

diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index cdb8dfdb2dff2e1bfc368e3bc80ec4e5f04c6643..0d3d730b97ffe63b53c60e0d047786ec6ed17e42 100644 (file)
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -461,6 +461,12 @@ static int sii902x_i2c_bypass_deselect(struct i2c_mux_core *mux, u32 chan_id)
        return 0;
 }
 
+static const struct drm_bridge_timings default_sii902x_timings = {
+       .input_bus_flags = DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE
+                | DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE
+                | DRM_BUS_FLAG_DE_HIGH,
+};
+
 static int sii902x_probe(struct i2c_client *client,
                         const struct i2c_device_id *id)
 {
@@ -531,6 +537,7 @@ static int sii902x_probe(struct i2c_client *client,
 
        sii902x->bridge.funcs = &sii902x_bridge_funcs;
        sii902x->bridge.of_node = dev->of_node;
+       sii902x->bridge.timings = &default_sii902x_timings;
        drm_bridge_add(&sii902x->bridge);
 
        i2c_set_clientdata(client, sii902x);