drm/bridge: adv7511: Register and attach our DSI device at probe

In order to avoid any probe ordering issue, the best practice is to move
the secondary MIPI-DSI device registration and attachment to the
MIPI-DSI host at probe time. Let's do this.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211025151536.1048186-3-maxime@cerno.tech

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index 9e3585f..f8e5da1 100644 (file)
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -910,9 +910,6 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge,
                        return ret;
        }
 
-       if (adv->type == ADV7533 || adv->type == ADV7535)
-               ret = adv7533_attach_dsi(adv);
-
        if (adv->i2c_main->irq)
                regmap_write(adv->regmap, ADV7511_REG_INT_ENABLE(0),
                             ADV7511_INT0_HPD);
@@ -1288,8 +1285,18 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
        drm_bridge_add(&adv7511->bridge);
 
        adv7511_audio_init(dev, adv7511);
+
+       if (adv7511->type == ADV7533 || adv7511->type == ADV7535) {
+               ret = adv7533_attach_dsi(adv7511);
+               if (ret)
+                       goto err_unregister_audio;
+       }
+
        return 0;
 
+err_unregister_audio:
+       adv7511_audio_exit(adv7511);
+       drm_bridge_remove(&adv7511->bridge);
 err_unregister_cec:
        i2c_unregister_device(adv7511->i2c_cec);
        clk_disable_unprepare(adv7511->cec_clk);