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Subject[PATCH v1 09/17] drm/mediatek: hdmi: add connector flag
Add a flag to indicate support for an external connector

Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
index 86653ebaacfd..30407603d693 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
@@ -199,20 +199,22 @@ int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, struct platform_device *pdev,
goto put_device;
}

- remote = of_graph_get_remote_node(np, 1, 0);
- if (!remote) {
- ret = -EINVAL;
- goto put_device;
- }
-
- if (!of_device_is_compatible(remote, "hdmi-connector")) {
- hdmi->next_bridge = of_drm_find_bridge(remote);
- if (!hdmi->next_bridge) {
- dev_err(dev, "Waiting for external bridge\n");
- of_node_put(remote);
- ret = -EPROBE_DEFER;
+ if (hdmi->conf->has_connector) {
+ remote = of_graph_get_remote_node(np, 1, 0);
+ if (!remote) {
+ ret = -EINVAL;
goto put_device;
}
+
+ if (!of_device_is_compatible(remote, "hdmi-connector")) {
+ hdmi->next_bridge = of_drm_find_bridge(remote);
+ if (!hdmi->next_bridge) {
+ dev_err(dev, "Waiting for external bridge\n");
+ of_node_put(remote);
+ ret = -EPROBE_DEFER;
+ goto put_device;
+ }
+ }
}

i2c_np = of_parse_phandle(remote, "ddc-i2c-bus", 0);
@@ -325,6 +327,7 @@ int mtk_drm_hdmi_remove(struct platform_device *pdev)
static const struct mtk_hdmi_conf mtk_hdmi_conf_mt2701 = {
.tz_disabled = true,
.has_cec = true,
+ .has_connector = true,
.bridge_funcs = &mtk_mt8183_hdmi_bridge_funcs,
.mtk_hdmi_output_init = mtk_hdmi_output_init_mt8183,
.mtk_hdmi_clk_disable = mtk_hdmi_clk_disable_audio_mt8183,
@@ -338,6 +341,7 @@ static const struct mtk_hdmi_conf mtk_hdmi_conf_mt8167 = {
.max_mode_clock = 148500,
.cea_modes_only = true,
.has_cec = true,
+ .has_connector = true,
.bridge_funcs = &mtk_mt8183_hdmi_bridge_funcs,
.mtk_hdmi_output_init = mtk_hdmi_output_init_mt8183,
.mtk_hdmi_clk_disable = mtk_hdmi_clk_disable_audio_mt8183,
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.h b/drivers/gpu/drm/mediatek/mtk_hdmi_common.h
index 921bde150e11..62a14435be69 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.h
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.h
@@ -32,6 +32,7 @@ struct mtk_hdmi_conf {
bool tz_disabled;
bool cea_modes_only;
bool has_cec;
+ bool has_connector;
unsigned long max_mode_clock;
const struct drm_bridge_funcs *bridge_funcs;
void (*mtk_hdmi_output_init)(struct mtk_hdmi *hdmi);
--
b4 0.10.0-dev

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