linux-kernel - Re: [PATCH 2/6] drm/panel: novatek-nt36682e: don't unregister DSI device

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Date: Fri, 5 Apr 2024 14:43:43 -0700
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        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>,
        Matthias Kaehlcke
	<mka@...omium.org>,
        Harigovindan P <harigovi@...eaurora.org>,
        Ritesh Kumar
	<quic_riteshk@...cinc.com>,
        Sumit Semwal <sumit.semwal@...aro.org>
CC: <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/6] drm/panel: novatek-nt36682e: don't unregister DSI
 device



On 4/4/2024 3:08 AM, Dmitry Baryshkov wrote:
> The DSI device for the panel was registered by the DSI host, so it is an
> error to unregister it from the panel driver. Drop the call to
> mipi_dsi_device_unregister().
> 
> Fixes: ea4f9975625a ("drm/panel: Add support for Novatek NT36672E panel driver")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

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

> ---
>   drivers/gpu/drm/panel/panel-novatek-nt36672e.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
> index cb7406d74466..c39fe0fc5d69 100644
> --- a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
> +++ b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
> @@ -614,8 +614,6 @@ static void nt36672e_panel_remove(struct mipi_dsi_device *dsi)
>   	struct nt36672e_panel *ctx = mipi_dsi_get_drvdata(dsi);
>   
>   	mipi_dsi_detach(ctx->dsi);
> -	mipi_dsi_device_unregister(ctx->dsi);
> -
>   	drm_panel_remove(&ctx->panel);
>   }
>   
> 
> -- 
> 2.39.2
>