drm/panel/raspberrypi-touchscreen: Initialise the bridge in prepare
The panel has a prepare call which is before video starts, and an enable call which is after. The Toshiba bridge should be configured before video, so move the relevant power and initialisation calls to prepare. Fixes: 2f733d61 ("drm/panel: Add support for the Raspberry Pi 7" Touchscreen.") Signed-off-by: NDave Stevenson <dave.stevenson@raspberrypi.com> Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com> Signed-off-by: NMaxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20220415162513.42190-3-stefan.wahren@i2se.com
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