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Date: Thu, 1 Feb 2024 15:15:56 -0800
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
        Jianhua Lu
	<lujianhua000@...il.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Sam
 Ravnborg <sam@...nborg.org>,
        Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
CC: Marijn Suijten <marijn.suijten@...ainline.org>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/panel: novatek-nt36523: Set prepare_prev_first



On 2/1/2024 2:17 PM, Konrad Dybcio wrote:
> The .prepare callback contains the init sequence, so the DSI host *must*
> be enabled at that point. Set the prepare_prev_first flag to ensure that.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Hi Konrad,

Reviewed-by: Jessica Zhang <quic_jesszhan@...cinc.com>

Thanks,

Jessica Zhang

> ---
>   drivers/gpu/drm/panel/panel-novatek-nt36523.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
> index a189ce236328..32cae1bc9162 100644
> --- a/drivers/gpu/drm/panel/panel-novatek-nt36523.c
> +++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
> @@ -1270,6 +1270,8 @@ static int nt36523_probe(struct mipi_dsi_device *dsi)
>   		return ret;
>   	}
>   
> +	pinfo->panel.prepare_prev_first = true;
> +
>   	if (pinfo->desc->has_dcs_backlight) {
>   		pinfo->panel.backlight = nt36523_create_backlight(dsi);
>   		if (IS_ERR(pinfo->panel.backlight))
> 
> ---
> base-commit: 51b70ff55ed88edd19b080a524063446bcc34b62
> change-id: 20240201-topic-3623_fix-9198419e5e47
> 
> Best regards,
> -- 
> Konrad Dybcio <konrad.dybcio@...aro.org>
> 

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