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path: root/drivers/gpu/drm/bridge/lontium-lt8912b.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/lontium-lt8912b.c')
-rw-r--r--drivers/gpu/drm/bridge/lontium-lt8912b.c42
1 files changed, 14 insertions, 28 deletions
diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
index 2595d2e971c6..edb6df238de1 100644
--- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
+++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
@@ -45,7 +45,6 @@ struct lt8912 {
u8 data_lanes;
bool is_power_on;
- bool is_attached;
};
static int lt8912_write_init_config(struct lt8912 *lt)
@@ -500,11 +499,11 @@ static int lt8912_attach_dsi(struct lt8912 *lt)
return -EPROBE_DEFER;
}
- dsi = mipi_dsi_device_register_full(host, &info);
+ dsi = devm_mipi_dsi_device_register_full(dev, host, &info);
if (IS_ERR(dsi)) {
ret = PTR_ERR(dsi);
dev_err(dev, "failed to create dsi device (%d)\n", ret);
- goto err_dsi_device;
+ return ret;
}
lt->dsi = dsi;
@@ -516,24 +515,13 @@ static int lt8912_attach_dsi(struct lt8912 *lt)
MIPI_DSI_MODE_LPM |
MIPI_DSI_MODE_NO_EOT_PACKET;
- ret = mipi_dsi_attach(dsi);
+ ret = devm_mipi_dsi_attach(dev, dsi);
if (ret < 0) {
dev_err(dev, "failed to attach dsi to host\n");
- goto err_dsi_attach;
+ return ret;
}
return 0;
-
-err_dsi_attach:
- mipi_dsi_device_unregister(dsi);
-err_dsi_device:
- return ret;
-}
-
-static void lt8912_detach_dsi(struct lt8912 *lt)
-{
- mipi_dsi_detach(lt->dsi);
- mipi_dsi_device_unregister(lt->dsi);
}
static void lt8912_bridge_hpd_cb(void *data, enum drm_connector_status status)
@@ -579,6 +567,13 @@ static int lt8912_bridge_attach(struct drm_bridge *bridge,
struct lt8912 *lt = bridge_to_lt8912(bridge);
int ret;
+ ret = drm_bridge_attach(bridge->encoder, lt->hdmi_port, bridge,
+ DRM_BRIDGE_ATTACH_NO_CONNECTOR);
+ if (ret < 0) {
+ dev_err(lt->dev, "Failed to attach next bridge (%d)\n", ret);
+ return ret;
+ }
+
if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) {
ret = lt8912_bridge_connector_init(bridge);
if (ret) {
@@ -599,8 +594,6 @@ static int lt8912_bridge_attach(struct drm_bridge *bridge,
if (ret)
goto error;
- lt->is_attached = true;
-
return 0;
error:
@@ -612,16 +605,10 @@ static void lt8912_bridge_detach(struct drm_bridge *bridge)
{
struct lt8912 *lt = bridge_to_lt8912(bridge);
- if (lt->is_attached) {
- lt8912_detach_dsi(lt);
- lt8912_hard_power_off(lt);
-
- if (lt->hdmi_port->ops & DRM_BRIDGE_OP_HPD)
- drm_bridge_hpd_disable(lt->hdmi_port);
+ lt8912_hard_power_off(lt);
- drm_connector_unregister(&lt->connector);
- drm_connector_cleanup(&lt->connector);
- }
+ if (lt->connector.dev && lt->hdmi_port->ops & DRM_BRIDGE_OP_HPD)
+ drm_bridge_hpd_disable(lt->hdmi_port);
}
static enum drm_connector_status
@@ -820,7 +807,6 @@ static int lt8912_remove(struct i2c_client *client)
{
struct lt8912 *lt = i2c_get_clientdata(client);
- lt8912_bridge_detach(&lt->bridge);
drm_bridge_remove(&lt->bridge);
lt8912_free_i2c(lt);
lt8912_put_dt(lt);