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drm: rockchip: rk628: add set bus format

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Change-Id: Ibf597773f0b89eb07fecf4b3af3ff81f762777f4
Signed-off-by: Guochun Huang <hero.huang@rock-chips.com>
This commit is contained in:
Guochun Huang 2020-11-23 12:31:13 +08:00
parent 71e3638c0f
commit 1fc907678a
1 changed files with 41 additions and 0 deletions
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41
drivers/gpu/drm/rockchip/rk628/rk628_hdmi.c
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@ -904,6 +904,40 @@ rk628_hdmi_connector_detect(struct drm_connector *connector, bool force)
connector_status_disconnected;
}
static bool source_is_bt1120(struct device_node *np)
{
struct device_node *first_remote, *second_remote;
bool ret = false;
first_remote = of_graph_get_remote_node(np, 0, -1);
if (!first_remote)
return ret;
if (!of_device_is_available(first_remote)) {
of_node_put(first_remote);
return ret;
}
second_remote = of_graph_get_remote_node(first_remote, 0, -1);
if (!second_remote) {
of_node_put(first_remote);
return ret;
}
of_node_put(first_remote);
if (!of_device_is_available(second_remote)) {
of_node_put(second_remote);
return ret;
}
if (strstr(of_node_full_name(second_remote), "bt1120-rx"))
ret = true;
of_node_put(second_remote);
return ret;
}
static int rk628_hdmi_connector_get_modes(struct drm_connector *connector)
{
struct rk628_hdmi *hdmi = connector_to_hdmi(connector);
@ -936,6 +970,13 @@ static int rk628_hdmi_connector_get_modes(struct drm_connector *connector)
dev_info(hdmi->dev, "failed to get edid\n");
}
if (source_is_bt1120(hdmi->dev->of_node)) {
u32 bus_format = MEDIA_BUS_FMT_VYUY8_1X16;
drm_display_info_set_bus_formats(&connector->display_info,
&bus_format, 1);
}
return ret;
}