Re: [PATCH 2/2] drm/panel: boe-tv101wum-nl6: Reduce lcm_reset to send initial code time

From: Sam Ravnborg
Date: Sat Jan 07 2023 - 15:31:14 EST


On Fri, Jan 06, 2023 at 11:05:21AM +0800, xinlei.lee@xxxxxxxxxxxx wrote:
> From: Xinlei Lee <xinlei.lee@xxxxxxxxxxxx>
>
> Since the panel spec stipulates that the time from lcm_reset to DSI to
> send the initial code should be greater than 6ms and less than 40ms,
> so reduce the delay before sending the initial code and avoid panel
> exceptions.

The changelog says "reduce the delay", but the patch removes the delay.
Are there other delays that make sure the "greater than 6 ms" is OK?

Sam

>
> Fixes: a869b9db7adf ("drm/panel: support for boe tv101wum-nl6 wuxga dsi video mode panel")
> Signed-off-by: Xinlei Lee <xinlei.lee@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> index 857a2f0420d7..f0093035f1ff 100644
> --- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> @@ -780,7 +780,6 @@ static const struct panel_init_cmd inx_hj110iz_init_cmd[] = {
> };
>
> static const struct panel_init_cmd boe_init_cmd[] = {
> - _INIT_DELAY_CMD(24),
> _INIT_DCS_CMD(0xB0, 0x05),
> _INIT_DCS_CMD(0xB1, 0xE5),
> _INIT_DCS_CMD(0xB3, 0x52),
> --
> 2.18.0