linux-kernel - Re: [PATCH v3 5/7 RESEND] gpu/drm: panel: simple-panel: add Samsung LTL106AL01 LVDS panel support

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Message-ID: <8c2069c4-54ef-4cb2-8277-a807d08b472c@linaro.org>
Date: Tue, 18 Nov 2025 09:41:14 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Svyatoslav Ryhel <clamor95@...il.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Thierry Reding
 <thierry.reding@...il.com>, Jonathan Hunter <jonathanh@...dia.com>,
 Douglas Anderson <dianders@...omium.org>, Sam Ravnborg <sam@...nborg.org>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH v3 5/7 RESEND] gpu/drm: panel: simple-panel: add Samsung
 LTL106AL01 LVDS panel support

On 11/10/25 10:14, Svyatoslav Ryhel wrote:
> Samsung LTL106AL01 is a 10.6" FWXGA (1366x768) simple LVDS panel found in
> Microsoft Surface RT tablet.
> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
> ---
>   drivers/gpu/drm/panel/panel-simple.c | 34 ++++++++++++++++++++++++++++
>   1 file changed, 34 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 6369e5828189..bdb53824e3ed 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -4223,6 +4223,37 @@ static const struct panel_desc samsung_ltl101al01 = {
>   	.connector_type = DRM_MODE_CONNECTOR_LVDS,
>   };
>   
> +static const struct display_timing samsung_ltl106al01_timing = {
> +	.pixelclock = { 71980000, 71980000, 71980000 },
> +	.hactive = { 1366, 1366, 1366 },
> +	.hfront_porch = { 56, 56, 56 },
> +	.hback_porch = { 106, 106, 106 },
> +	.hsync_len = { 14, 14, 14 },
> +	.vactive = { 768, 768, 768 },
> +	.vfront_porch = { 3, 3, 3 },
> +	.vback_porch = { 6, 6, 6 },
> +	.vsync_len = { 1, 1, 1 },
> +	.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
> +};
> +
> +static const struct panel_desc samsung_ltl106al01 = {
> +	.timings = &samsung_ltl106al01_timing,
> +	.num_timings = 1,
> +	.bpc = 8,
> +	.size = {
> +		.width = 235,
> +		.height = 132,
> +	},
> +	.delay = {
> +		.prepare = 5,
> +		.enable = 10,
> +		.disable = 10,
> +		.unprepare = 5,
> +	},
> +	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
> +	.connector_type = DRM_MODE_CONNECTOR_LVDS,
> +};
> +
>   static const struct drm_display_mode samsung_ltn101nt05_mode = {
>   	.clock = 54030,
>   	.hdisplay = 1024,
> @@ -5390,6 +5421,9 @@ static const struct of_device_id platform_of_match[] = {
>   	}, {
>   		.compatible = "samsung,ltl101al01",
>   		.data = &samsung_ltl101al01,
> +	}, {
> +		.compatible = "samsung,ltl106al01",
> +		.data = &samsung_ltl106al01,
>   	}, {
>   		.compatible = "samsung,ltn101nt05",
>   		.data = &samsung_ltn101nt05,

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