Re: [PATCH] drm/panel: boe-tv101wum-nl6: restore MODE_LPM after sending disable cmds

From: Doug Anderson

Date: Mon May 04 2026 - 18:49:19 EST


Hi,

On Sun, May 3, 2026 at 2:17 AM Icenowy Zheng <zhengxingda@xxxxxxxxxxx> wrote:
>
> When preparing the panel, it seems that it always expects commands to be
> transferred in LP mode. However, the disable function removes the
> MIPI_DSI_MODE_LPM flag, and no other function re-adds it.
>
> As the unprepare function contains no DSI commands, re-adding the flag
> just after disabling the panel should be safe. Add the code re-adding
> the flag after the two commands for disabling the panel are sent.
>
> This fixes error messages shown in kernel log when unblanking on
> mt8183-kukui-kodama-sku32 device.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: a869b9db7adf ("drm/panel: support for boe tv101wum-nl6 wuxga dsi video mode panel")
> Signed-off-by: Icenowy Zheng <zhengxingda@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 2 ++
> 1 file changed, 2 insertions(+)

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>