diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/tc358775.c')
-rw-r--r-- | drivers/gpu/drm/bridge/tc358775.c | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c index 2272adcc5b4a..2c76331b251d 100644 --- a/drivers/gpu/drm/bridge/tc358775.c +++ b/drivers/gpu/drm/bridge/tc358775.c @@ -594,11 +594,26 @@ static int tc_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { struct tc_data *tc = bridge_to_tc(bridge); + + /* Attach the panel-bridge to the dsi bridge */ + return drm_bridge_attach(bridge->encoder, tc->panel_bridge, + &tc->bridge, flags); +} + +static const struct drm_bridge_funcs tc_bridge_funcs = { + .attach = tc_bridge_attach, + .pre_enable = tc_bridge_pre_enable, + .enable = tc_bridge_enable, + .mode_valid = tc_mode_valid, + .post_disable = tc_bridge_post_disable, +}; + +static int tc_attach_host(struct tc_data *tc) +{ struct device *dev = &tc->i2c->dev; struct mipi_dsi_host *host; struct mipi_dsi_device *dsi; int ret; - const struct mipi_dsi_device_info info = { .type = "tc358775", .channel = 0, .node = NULL, @@ -610,11 +625,10 @@ static int tc_bridge_attach(struct drm_bridge *bridge, 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)) { dev_err(dev, "failed to create dsi device\n"); - ret = PTR_ERR(dsi); - goto err_dsi_device; + return PTR_ERR(dsi); } tc->dsi = dsi; @@ -623,29 +637,15 @@ static int tc_bridge_attach(struct drm_bridge *bridge, dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_MODE_VIDEO; - 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; } - /* Attach the panel-bridge to the dsi bridge */ - return drm_bridge_attach(bridge->encoder, tc->panel_bridge, - &tc->bridge, flags); -err_dsi_attach: - mipi_dsi_device_unregister(dsi); -err_dsi_device: - return ret; + return 0; } -static const struct drm_bridge_funcs tc_bridge_funcs = { - .attach = tc_bridge_attach, - .pre_enable = tc_bridge_pre_enable, - .enable = tc_bridge_enable, - .mode_valid = tc_mode_valid, - .post_disable = tc_bridge_post_disable, -}; - static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; @@ -709,7 +709,15 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) i2c_set_clientdata(client, tc); + ret = tc_attach_host(tc); + if (ret) + goto err_bridge_remove; + return 0; + +err_bridge_remove: + drm_bridge_remove(&tc->bridge); + return ret; } static int tc_remove(struct i2c_client *client) |