1 files changed, 36 insertions, 11 deletions

diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 7f91b0db161e..6de61d9fe064 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -180,6 +180,8 @@ struct sii902x {
 	struct gpio_desc *reset_gpio;
 	struct i2c_mux_core *i2cmux;
 	bool sink_is_hdmi;
+	u32 bus_width;
+
 	/*
 	 * Mutex protects audio and video functions from interfering
 	 * each other, by keeping their i2c command sequences atomic.
@@ -323,7 +325,7 @@ static const struct drm_connector_helper_funcs sii902x_connector_helper_funcs =
 };
 
 static void sii902x_bridge_atomic_disable(struct drm_bridge *bridge,
-					  struct drm_bridge_state *old_bridge_state)
+					  struct drm_atomic_state *state)
 {
 	struct sii902x *sii902x = bridge_to_sii902x(bridge);
 
@@ -337,7 +339,7 @@ static void sii902x_bridge_atomic_disable(struct drm_bridge *bridge,
 }
 
 static void sii902x_bridge_atomic_enable(struct drm_bridge *bridge,
-					 struct drm_bridge_state *old_bridge_state)
+					 struct drm_atomic_state *state)
 {
 	struct sii902x *sii902x = bridge_to_sii902x(bridge);
 
@@ -414,6 +416,7 @@ out:
 }
 
 static int sii902x_bridge_attach(struct drm_bridge *bridge,
+				 struct drm_encoder *encoder,
 				 enum drm_bridge_attach_flags flags)
 {
 	struct sii902x *sii902x = bridge_to_sii902x(bridge);
@@ -422,7 +425,7 @@ static int sii902x_bridge_attach(struct drm_bridge *bridge,
 	int ret;
 
 	if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
-		return drm_bridge_attach(bridge->encoder, sii902x->next_bridge,
+		return drm_bridge_attach(encoder, sii902x->next_bridge,
 					 bridge, flags);
 
 	drm_connector_helper_add(&sii902x->connector,
@@ -450,7 +453,7 @@ static int sii902x_bridge_attach(struct drm_bridge *bridge,
 	if (ret)
 		return ret;
 
-	drm_connector_attach_encoder(&sii902x->connector, bridge->encoder);
+	drm_connector_attach_encoder(&sii902x->connector, encoder);
 
 	return 0;
 }
@@ -477,6 +480,8 @@ static u32 *sii902x_bridge_atomic_get_input_bus_fmts(struct drm_bridge *bridge,
 						     u32 output_fmt,
 						     unsigned int *num_input_fmts)
 {
+
+	struct sii902x *sii902x = bridge_to_sii902x(bridge);
 	u32 *input_fmts;
 
 	*num_input_fmts = 0;
@@ -485,7 +490,20 @@ static u32 *sii902x_bridge_atomic_get_input_bus_fmts(struct drm_bridge *bridge,
 	if (!input_fmts)
 		return NULL;
 
-	input_fmts[0] = MEDIA_BUS_FMT_RGB888_1X24;
+	switch (sii902x->bus_width) {
+	case 16:
+		input_fmts[0] = MEDIA_BUS_FMT_RGB565_1X16;
+		break;
+	case 18:
+		input_fmts[0] = MEDIA_BUS_FMT_RGB666_1X18;
+		break;
+	case 24:
+		input_fmts[0] = MEDIA_BUS_FMT_RGB888_1X24;
+		break;
+	default:
+		return NULL;
+	}
+
 	*num_input_fmts = 1;
 
 	return input_fmts;
@@ -798,7 +816,8 @@ static int sii902x_audio_get_eld(struct device *dev, void *data,
 }
 
 static int sii902x_audio_get_dai_id(struct snd_soc_component *component,
-				    struct device_node *endpoint)
+				    struct device_node *endpoint,
+				    void *data)
 {
 	struct of_endpoint of_ep;
 	int ret;
@@ -823,7 +842,6 @@ static const struct hdmi_codec_ops sii902x_audio_codec_ops = {
 	.mute_stream = sii902x_audio_mute,
 	.get_eld = sii902x_audio_get_eld,
 	.get_dai_id = sii902x_audio_get_dai_id,
-	.no_capture_mute = 1,
 };
 
 static int sii902x_audio_codec_init(struct sii902x *sii902x,
@@ -846,11 +864,12 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x,
 		.i2s = 1, /* Only i2s support for now. */
 		.spdif = 0,
 		.max_i2s_channels = 0,
+		.no_capture_mute = 1,
 	};
 	u8 lanes[4];
 	int num_lanes, i;
 
-	if (!of_property_read_bool(dev->of_node, "#sound-dai-cells")) {
+	if (!of_property_present(dev->of_node, "#sound-dai-cells")) {
 		dev_dbg(dev, "%s: No \"#sound-dai-cells\", no audio\n",
 			__func__);
 		return 0;
@@ -869,7 +888,7 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x,
 		lanes[0] = 0;
 	} else if (num_lanes < 0) {
 		dev_err(dev,
-			"%s: Error gettin \"sil,i2s-data-lanes\": %d\n",
+			"%s: Error getting \"sil,i2s-data-lanes\": %d\n",
 			__func__, num_lanes);
 		return num_lanes;
 	}
@@ -1120,6 +1139,7 @@ static int sii902x_init(struct sii902x *sii902x)
 	sii902x->bridge.of_node = dev->of_node;
 	sii902x->bridge.timings = &default_sii902x_timings;
 	sii902x->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID;
+	sii902x->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
 
 	if (sii902x->i2c->irq > 0)
 		sii902x->bridge.ops |= DRM_BRIDGE_OP_HPD;
@@ -1167,6 +1187,11 @@ static int sii902x_probe(struct i2c_client *client)
 		return PTR_ERR(sii902x->reset_gpio);
 	}
 
+	sii902x->bus_width = 24;
+	endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 0, -1);
+	if (endpoint)
+		of_property_read_u32(endpoint, "bus-width", &sii902x->bus_width);
+
 	endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1);
 	if (endpoint) {
 		struct device_node *remote = of_graph_get_remote_port_parent(endpoint);
@@ -1217,8 +1242,8 @@ static const struct of_device_id sii902x_dt_ids[] = {
 MODULE_DEVICE_TABLE(of, sii902x_dt_ids);
 
 static const struct i2c_device_id sii902x_i2c_ids[] = {
-	{ "sii9022", 0 },
-	{ },
+	{ "sii9022" },
+	{ }
 };
 MODULE_DEVICE_TABLE(i2c, sii902x_i2c_ids);