Messages in this thread | | | Date | Mon, 9 Jan 2023 12:25:45 +0100 | Subject | Re: [PATCH 2/2] drm/panel: boe-tv101wum-nl6: Reduce lcm_reset to send initial code time | From | AngeloGioacchino Del Regno <> |
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Il 06/01/23 04:05, xinlei.lee@mediatek.com ha scritto: > From: Xinlei Lee <xinlei.lee@mediatek.com> > > 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. > > Fixes: a869b9db7adf ("drm/panel: support for boe tv101wum-nl6 wuxga dsi video mode panel") > Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com> > --- > 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),
You said that should be greater than 6 and less than 40: perhaps on MediaTek platforms removing this delay is fine but we don't know about others - and this driver is for all platforms.
To stay on the safe side you should, at this point, replace this delay with
_INIT_DELAY_CMD(7);
Regards, Angelo
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