linux-kernel - Re: [PATCH 6/8] drm/panel: himax-hx83102: If prepare fails, disable GPIO before regulators

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Message-ID: <puiekdzpevup372snquqey7mcn2axcgverd5syijcnhlziso7x@oqpxfpwvgajw>
Date: Mon, 20 May 2024 01:27:46 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Douglas Anderson <dianders@...omium.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, 
	Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>, 
	Linus Walleij <linus.walleij@...aro.org>, Cong Yang <yangcong5@...qin.corp-partner.google.com>, 
	Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...il.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/8] drm/panel: himax-hx83102: If prepare fails, disable
 GPIO before regulators

On Fri, May 17, 2024 at 02:36:41PM -0700, Douglas Anderson wrote:
> The enable GPIO should clearly be set low before turning off
> regulators. That matches both the inverse order that things were
> enabled and also the order in unprepare().
> 
> Fixes: 0ef94554dc40 ("drm/panel: himax-hx83102: Break out as separate driver")
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---
> 
>  drivers/gpu/drm/panel/panel-himax-hx83102.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry