Re: [PATCH 08/19] drm/panel: himax-hx8394: set prepare_prev_first
From: Linus Walleij
Date: Wed Apr 08 2026 - 04:08:34 EST
On Wed, Apr 1, 2026 at 9:27 AM Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxxxxxxxx> wrote:
> Sending DSI commands from the prepare() callback requires DSI link to be
> up at that point. For DSI hosts is guaranteed only if the panel driver
> sets the .prepare_prev_first flag. Set it to let these panels work with
> the DSI hosts which don't power on the link in their .mode_set callback.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
Reviewed-by: Linus Walleij <linusw@xxxxxxxxxx>
Yours,
Linus Walleij