---

[    3.847739] imx_sec_dsim_drv 32e60000.mipi_dsi: [drm] *ERROR* modalias failure on /soc@0/bus@32c00000/mipi_dsi@32e60000/port@1
[    3.866185] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@30800000/i2c@30a30000/lt9611@3b to encoder DSI-41: -22
[    3.878226] imx_sec_dsim_drv 32e60000.mipi_dsi: Unable to attach bridge lt9611: -22
[    3.885896] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@32c00000/mipi_dsi@32e60000 to encoder DSI-41: -22
[    3.897488] imx_sec_dsim_drv 32e60000.mipi_dsi: Failed to attach bridge: 32e60000.mipi_dsi
[    3.905773] imx_sec_dsim_drv 32e60000.mipi_dsi: failed to bind sec dsim bridge: -517
[    3.915969] imx-drm display-subsystem: bound imx-lcdifv3-crtc.0 (ops lcdifv3_crtc_ops)
[    3.923976] imx-drm display-subsystem: bound imx-lcdifv3-crtc.1 (ops lcdifv3_crtc_ops)
[    3.931928] imx-drm display-subsystem: bound imx-lcdifv3-crtc.2 (ops lcdifv3_crtc_ops)
[    3.939972] imx_sec_dsim_drv 32e60000.mipi_dsi: version number is 0x1060200
[    3.946962] imx_sec_dsim_drv 32e60000.mipi_dsi: [drm] *ERROR* modalias failure on /soc@0/bus@32c00000/mipi_dsi@32e60000/port@1
[    3.958426] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@30800000/i2c@30a30000/lt9611@3b to encoder DSI-41: -22
[    3.970461] imx_sec_dsim_drv 32e60000.mipi_dsi: Unable to attach bridge lt9611: -22
[    3.978129] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@32c00000/mipi_dsi@32e60000 to encoder DSI-41: -22
[    3.989732] imx_sec_dsim_drv 32e60000.mipi_dsi: Failed to attach bridge: 32e60000.mipi_dsi
[    3.998020] imx_sec_dsim_drv 32e60000.mipi_dsi: failed to bind sec dsim bridge: -517
[    4.008459] imx-drm display-subsystem: bound imx-lcdifv3-crtc.0 (ops lcdifv3_crtc_ops)
[    4.016447] imx-drm display-subsystem: bound imx-lcdifv3-crtc.1 (ops lcdifv3_crtc_ops)
[    4.024406] imx-drm display-subsystem: bound imx-lcdifv3-crtc.2 (ops lcdifv3_crtc_ops)
[    4.032449] imx_sec_dsim_drv 32e60000.mipi_dsi: version number is 0x1060200
[    4.039446] imx_sec_dsim_drv 32e60000.mipi_dsi: [drm] *ERROR* modalias failure on /soc@0/bus@32c00000/mipi_dsi@32e60000/port@1
[    4.050880] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@30800000/i2c@30a30000/lt9611@3b to encoder DSI-41: -22
[    4.062927] imx_sec_dsim_drv 32e60000.mipi_dsi: Unable to attach bridge lt9611: -22
[    4.070635] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@32c00000/mipi_dsi@32e60000 to encoder DSI-41: -22
[    4.082234] imx_sec_dsim_drv 32e60000.mipi_dsi: Failed to attach bridge: 32e60000.mipi_dsi
[    4.090524] imx_sec_dsim_drv 32e60000.mipi_dsi: failed to bind sec dsim bridge: -517

static int lt9611_parse_dt(struct device *dev, struct lt9611 *lt9611)
{
	int ret = 0;
	lt9611->dsi0_node = of_graph_get_remote_node(dev->of_node, 0, -1);
	if (!lt9611->dsi0_node) {
		dev_err(lt9611->dev, "failed to get remote node for primary dsi\n");
		return -ENODEV;
	}
	lt9611->dsi1_node = of_graph_get_remote_node(dev->of_node, 1, -1);
	lt9611->ac_mode = of_property_read_bool(dev->of_node, "lt,ac-mode");
	ret = drm_of_find_panel_or_bridge(dev->of_node, 2, -1, NULL, &lt9611->next_bridge);
        if(ret == -ENODEV) {
            lt9611->next_bridge = NULL;
            return 0;
        }
        return ret;
}

static int lt9611_bridge_attach(struct drm_bridge *bridge,
				enum drm_bridge_attach_flags flags)
{
	struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
	return drm_bridge_attach(bridge->encoder, lt9611->next_bridge, bridge, flags);
}

static const struct drm_bridge_funcs lt9611_bridge_funcs = {
	.attach = lt9611_bridge_attach,
	.mode_valid = lt9611_bridge_mode_valid,
	.detect = lt9611_bridge_detect,
	.edid_read = lt9611_bridge_edid_read,
	.hpd_enable = lt9611_bridge_hpd_enable,

	.atomic_pre_enable = lt9611_bridge_atomic_pre_enable,
	.atomic_enable = lt9611_bridge_atomic_enable,
	.atomic_disable = lt9611_bridge_atomic_disable,
	.atomic_post_disable = lt9611_bridge_atomic_post_disable,
	.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
	.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
	.atomic_reset = drm_atomic_helper_bridge_reset,
	.atomic_get_input_bus_fmts = lt9611_atomic_get_input_bus_fmts,
};

probe:
	lt9611->bridge.funcs = &lt9611_bridge_funcs;
	lt9611->bridge.of_node = client->dev.of_node;
	lt9611->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID |
			     DRM_BRIDGE_OP_HPD | DRM_BRIDGE_OP_MODES;
	lt9611->bridge.type = DRM_MODE_CONNECTOR_HDMIA;

может добавление моста лишнее?
	drm_bridge_add(&lt9611->bridge);