Re: [PATCH v2] drm/panel: visionox-rm69299: Make use of prepare_prev_first

[Doug Anderson]

Hi,

On Thu, Apr 16, 2026 at 11:55 PM David Heidelberg via B4 Relay
<devnull+david.ixit.cz@xxxxxxxxxx> wrote:
>
> From: Guido Günther <agx@xxxxxxxxxxx>
>
> The DSI link must be powered up to let panel driver to talk to the panel
> during prepare() callback execution. Set the prepare_prev_first flag to
> guarantee this.
>
> Fixes: 9e15123eca79 ("drm/msm/dsi: Stop unconditionally powering up DSI hosts at modeset")
> Signed-off-by: Guido Günther <agx@xxxxxxxxxxx>
> Signed-off-by: David Heidelberg <david@xxxxxxx>
> ---
> Changes in v2:
> - Move the prepare_prev_first before drm_panel_add(). (Douglas)
> - Link to v1: https://lore.kernel.org/r/20260415-axolotl-display-v1-1-7abb2d248355@xxxxxxx
> ---
>  drivers/gpu/drm/panel/panel-visionox-rm69299.c | 2 ++
>  1 file changed, 2 insertions(+)

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>

Pushed to drm-misc-fixes:

[1/1] drm/panel: visionox-rm69299: Make use of prepare_prev_first
      commit: 4a92ef0c57df610ba0b2eb7f308c5472020ce8ea