linux-kernel - Re: [PATCH v3 2/3] drm/panel: simple: Tianma TM070JDHG34-00: add delays

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <969b474b-b154-466b-87a1-3ae16c45af26@linaro.org>
Date: Thu, 17 Apr 2025 17:31:27 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Luca Ceresoli <luca.ceresoli@...tlin.com>,
 Jessica Zhang <quic_jesszhan@...cinc.com>, David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Thierry Reding
 <thierry.reding@...il.com>, Sam Ravnborg <sam@...nborg.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
 "Pu, Hui" <Hui.Pu@...ealthcare.com>, dri-devel@...ts.freedesktop.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org
Subject: Re: [PATCH v3 2/3] drm/panel: simple: Tianma TM070JDHG34-00: add
 delays

On 11/04/2025 21:19, Luca Ceresoli wrote:
> Add power on/off delays for the Tianma TM070JDHG34-00.
> 
> Fixes: bf6daaa281f7 ("drm/panel: simple: Add Tianma TM070JDHG34-00 panel support")
> Cc: stable@...r.kernel.org
> Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
> 
> ---
> 
> Changed in v3:
> - add Fixes: and Cc:
> - remove regulator delay
> ---
>   drivers/gpu/drm/panel/panel-simple.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index df718c4a86cb7dc0cd126e807d33306e5a21d8a0..fd7ee5d1ca280be306620def30d3b423106b4304 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -4452,6 +4452,12 @@ static const struct panel_desc tianma_tm070jdhg34_00 = {
>   		.width = 150, /* 149.76 */
>   		.height = 94, /* 93.60 */
>   	},
> +	.delay = {
> +		.prepare = 15,		/* Tp1 */
> +		.enable = 150,		/* Tp2 */
> +		.disable = 150,		/* Tp4 */
> +		.unprepare = 120,	/* Tp3 */
> +	},
>   	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
>   	.connector_type = DRM_MODE_CONNECTOR_LVDS,
>   };
> 

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>