[PATCH] drm/panel-notatek-nt35510: Fix enable/disable sequence

[Linus Walleij]

On Wed, Aug 5, 2020 at 4:28 PM Linus Walleij <linus.walleij at linaro.org> wrote:

> The driver was relying on only prepare()/unprepare() to
> enable/disable the display.
>
> This does not work because prepare() will be called
> before the DSI host/bridge is ready to send any DSI
> commands and disable() will be called after the DSI
> host/bridge is disabled and thus unable to send any
> DSI commands.
>
> Move all DCS command sending to the enable() and
> disable() callbacks, as is proper.

Ahem this is against how all panel drivers are written.
Surely the DSI host must be up and running at
prepare() and unprepare() time.

I take this patch back to the drawing table.

Yours,
Linus Walleij