With the introduction of '3ef2f119bd3e ("drm/msm: Use
drm_attach_bridge() to attach a bridge to an encoder")' the HDMI bridge
is attached both in msm_hdmi_bridge_init() and later in
msm_hdmi_modeset_init().
The second attempt fails as the bridge is already attached to the
encoder and the whole
Quoting Vara Reddy (2020-03-04 16:10:24)
> From: Chandan Uddaraju
>
> Add bindings for Snapdragon DisplayPort and
> display-port PLL driver.
>
> Changes in V2:
> Provide details about sel-gpio
>
> Changes in V4:
> Provide details about max dp lanes
> Change the commit text
>
> Signed-off-by:
