On 06/12/2018 22:26, Laurent Pinchart wrote:
> The TI TFP410 is a DVI encoder, not a full HDMI encoder. Its output can
> be routed to a DVI-D connector, even if in many cases embedded systems
> will use an HDMI connector to carry the DVI signals.
>
> Instead of hardcoding the connector type to HDMI, retrieve the connector
> type from its DT node.
>
> Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> ---
Reviewed-by: Jyri Sarha <jsa...@ti.com>
> drivers/gpu/drm/bridge/ti-tfp410.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c
> b/drivers/gpu/drm/bridge/ti-tfp410.c
> index c3e32138c6bb..e4280f5af9f5 100644
> --- a/drivers/gpu/drm/bridge/ti-tfp410.c
> +++ b/drivers/gpu/drm/bridge/ti-tfp410.c
> @@ -27,6 +27,7 @@
> struct tfp410 {
> struct drm_bridge bridge;
> struct drm_connector connector;
> + unsigned int connector_type;
>
> struct i2c_adapter *ddc;
> struct gpio_desc *hpd;
> @@ -126,7 +127,7 @@ static int tfp410_attach(struct drm_bridge *bridge)
> drm_connector_helper_add(&dvi->connector,
> &tfp410_con_helper_funcs);
> ret = drm_connector_init(bridge->dev, &dvi->connector,
> - &tfp410_con_funcs, DRM_MODE_CONNECTOR_HDMIA);
> + &tfp410_con_funcs, dvi->connector_type);
> if (ret) {
> dev_err(dvi->dev, "drm_connector_init() failed: %d\n", ret);
> return ret;
> @@ -172,6 +173,11 @@ static int tfp410_get_connector_properties(struct tfp410
> *dvi)
> if (!connector_node)
> return -ENODEV;
>
> + if (of_device_is_compatible(connector_node, "hdmi-connector"))
> + dvi->connector_type = DRM_MODE_CONNECTOR_HDMIA;
> + else
> + dvi->connector_type = DRM_MODE_CONNECTOR_DVID;
> +
> dvi->hpd = fwnode_get_named_gpiod(&connector_node->fwnode,
> "hpd-gpios", 0, GPIOD_IN, "hpd");
> if (IS_ERR(dvi->hpd)) {
>
--
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