linux-kernel - Re: [PATCH RESEND 2/2] drm/panel: simple: Add HannStar HSD156JUW2

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Message-ID: <68b5d663-de9e-4232-9dfb-6773ad552c36@linaro.org>
Date: Tue, 16 Dec 2025 10:57:02 +0100
From: neil.armstrong@...aro.org
To: Renjun Wang <renjunw0@...mail.com>, jessica.zhang@....qualcomm.com,
 airlied@...il.com, simona@...ll.ch, maarten.lankhorst@...ux.intel.com,
 mripard@...nel.org, tzimmermann@...e.de, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org, thierry.reding@...il.com,
 sam@...nborg.org
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND 2/2] drm/panel: simple: Add HannStar HSD156JUW2

On 12/1/25 15:22, Renjun Wang wrote:
> Add Hannstar HSD156JUW2 15.6" FHD (1920x1080) TFT LCD panel support.
> 
> Signed-off-by: Renjun Wang <renjunw0@...mail.com>
> ---
>   drivers/gpu/drm/panel/panel-simple.c | 28 ++++++++++++++++++++++++++++
>   1 file changed, 28 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 0019de93be1b..057ae6735806 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -2509,6 +2509,31 @@ static const struct panel_desc hannstar_hsd101pww2 = {
>   	.connector_type = DRM_MODE_CONNECTOR_LVDS,
>   };
>   
> +static const struct display_timing hannstar_hsd156juw2_timing = {
> +	.pixelclock = { 66000000, 72800000, 80500000 },
> +	.hactive = { 1920, 1920, 1920 },
> +	.hfront_porch = { 20, 30, 30 },
> +	.hback_porch = { 20, 30, 30 },
> +	.hsync_len = { 50, 60, 90 },
> +	.vactive = { 1080, 1080, 1080 },
> +	.vfront_porch = { 1, 2, 4 },
> +	.vback_porch = { 1, 2, 4 },
> +	.vsync_len = { 3, 40, 80 },
> +	.flags = DISPLAY_FLAGS_DE_HIGH,
> +};
> +
> +static const struct panel_desc hannstar_hsd156juw2 = {
> +	.timings = &hannstar_hsd156juw2_timing,
> +	.num_timings = 1,
> +	.bpc = 8,
> +	.size = {
> +		.width = 344,
> +		.height = 194,
> +	},
> +	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
> +	.connector_type = DRM_MODE_CONNECTOR_LVDS,
> +};
> +
>   static const struct drm_display_mode hitachi_tx23d38vm0caa_mode = {
>   	.clock = 33333,
>   	.hdisplay = 800,
> @@ -5166,6 +5191,9 @@ static const struct of_device_id platform_of_match[] = {
>   	}, {
>   		.compatible = "hannstar,hsd101pww2",
>   		.data = &hannstar_hsd101pww2,
> +	}, {
> +		.compatible = "hannstar,hsd156juw2",
> +		.data = &hannstar_hsd156juw2,
>   	}, {
>   		.compatible = "hit,tx23d38vm0caa",
>   		.data = &hitachi_tx23d38vm0caa

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