linux-kernel - Re: [PATCH v3 6/6] drm/panel: simple: Add Microtips Technology MF-103HIEB0GA0 panel

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Message-ID: <15511740-ceba-42c6-abf5-b74a757a2930@nxp.com>
Date: Thu, 16 May 2024 10:33:44 +0800
From: Liu Ying <victor.liu@....com>
To: Aradhya Bhatia <a-bhatia1@...com>,
 Neil Armstrong <neil.armstrong@...aro.org>,
 Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>,
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
 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>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
 Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: DRI Development List <dri-devel@...ts.freedesktop.org>,
 Devicetree List <devicetree@...r.kernel.org>,
 Linux Kernel List <linux-kernel@...r.kernel.org>, Nishanth Menon
 <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
 Praneeth Bajjuri <praneeth@...com>, Udit Kumar <u-kumar1@...com>,
 Devarsh Thakkar <devarsht@...com>, Jai Luthra <j-luthra@...com>
Subject: Re: [PATCH v3 6/6] drm/panel: simple: Add Microtips Technology
 MF-103HIEB0GA0 panel

On 5/15/24 17:51, Aradhya Bhatia wrote:
> Add support for Microtips Technology USA MF-103HIEB0GA0 10.25"[0],
> 1920x720, 8-bit TFT LCD with LVDS interface. Its a Dual-LVDS Panel and
> does not support touch.
> 
> [0]: Panel Datasheet
> https://simplespec.microtipsusa.com/uploads/spec/datasheetFile/2660/13-103HIEB0GA0-S_V1.0_20211206.pdf
> 
> Signed-off-by: Aradhya Bhatia <a-bhatia1@...com>
> ---
>  drivers/gpu/drm/panel/panel-simple.c | 32 ++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)

Like my comments for patch 3/6, this panel is not simple enough
for this driver.

Regards,
Liu Ying

> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 3a0d8f0ff267..1b0a6b4e034c 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -3084,6 +3084,35 @@ static const struct panel_desc microtips_mf_101hiebcaf0_c = {
>  	.connector_type = DRM_MODE_CONNECTOR_LVDS,
>  };
>  
> +static const struct drm_display_mode microtips_mf_103hieb0ga0_mode = {
> +	.clock = 93301,
> +	.hdisplay = 1920,
> +	.hsync_start = 1920 + 72,
> +	.hsync_end = 1920 + 72 + 72,
> +	.htotal = 1920 + 72 + 72 + 72,
> +	.vdisplay = 720,
> +	.vsync_start = 720 + 3,
> +	.vsync_end = 720 + 3 + 3,
> +	.vtotal = 720 + 3 + 3 + 2,
> +};
> +
> +static const struct panel_desc microtips_mf_103hieb0ga0 = {
> +	.modes = &microtips_mf_103hieb0ga0_mode,
> +	.bpc = 8,
> +	.num_modes = 1,
> +	.size = {
> +		.width = 244,
> +		.height = 92,
> +	},
> +	.delay = {
> +		.prepare = 50,
> +		.disable = 50,
> +	},
> +	.bus_flags = DRM_BUS_FLAG_DE_HIGH,
> +	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
> +	.connector_type = DRM_MODE_CONNECTOR_LVDS,
> +};
> +
>  static const struct drm_display_mode mitsubishi_aa070mc01_mode = {
>  	.clock = 30400,
>  	.hdisplay = 800,
> @@ -4726,6 +4755,9 @@ static const struct of_device_id platform_of_match[] = {
>  	}, {
>  		.compatible = "microtips,mf-101hiebcaf0",
>  		.data = &microtips_mf_101hiebcaf0_c,
> +	}, {
> +		.compatible = "microtips,mf-103hieb0ga0",
> +		.data = &microtips_mf_103hieb0ga0,
>  	}, {
>  		.compatible = "mitsubishi,aa070mc01-ca1",
>  		.data = &mitsubishi_aa070mc01,