[PATCH v2 4/6] drm/bridge: ti-sn65dsi86: Wrap panel with panel-bridge

[Stephen Boyd]

Quoting Laurent Pinchart (2021-06-23 17:03:02)
> To simplify interfacing with the panel, wrap it in a panel-bridge and
> let the DRM bridge helpers handle chaining of operations.
>
> This also prepares for support of DRM_BRIDGE_ATTACH_NO_CONNECTOR, which
> requires all components in the display pipeline to be represented by
> bridges.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>
> ---

With this patch applied I get two eDP devices on Lazor sc7180 (it is the
arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor*.dts files if you're
looking for more info). As far as I can tell, we should only have one
eDP device on the board, for the bridge.

localhost ~ # ls -l /sys/class/drm/card1-eDP*
lrwxrwxrwx. 1 root root 0 Aug 10 22:24 /sys/class/drm/card1-eDP-1 ->
../../devices/platform/soc at 0/ae00000.mdss/drm/card1/card1-eDP-1
lrwxrwxrwx. 1 root root 0 Aug 10 22:24 /sys/class/drm/card1-eDP-2 ->
../../devices/platform/soc at 0/ae00000.mdss/drm/card1/card1-eDP-2