linux-kernel - Re: [PATCH] drm/panel: simple: Initialize bpc in RK101II01D-CT panel descriptor

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Date:   Fri, 11 Feb 2022 09:58:49 +0200
From:   Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To:     Rahul T R <r-ravikumar@...com>, thierry.reding@...il.com
Cc:     sam@...nborg.org, airlied@...ux.ie, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        nikhil.nd@...com, laurent.pinchart@...asonboard.com
Subject: Re: [PATCH] drm/panel: simple: Initialize bpc in RK101II01D-CT panel
 descriptor

On 10/02/2022 16:03, Rahul T R wrote:
> Initialize bpc while creating panel_desc structure for RK101II01D-CT
> 
> Below warning is triggered since bpc is not being initialized
> 
> WARNING: CPU: 2 PID: 47 at drivers/gpu/drm/panel/panel-simple.c:614
> panel_simple_probe+0x1b0/0x3c8
> 
> Signed-off-by: Rahul T R <r-ravikumar@...com>
> ---
>   drivers/gpu/drm/panel/panel-simple.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index c324a3ed34b9..c09eb5ad65fc 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -3058,6 +3058,7 @@ static const struct drm_display_mode rocktech_rk101ii01d_ct_mode = {
>   
>   static const struct panel_desc rocktech_rk101ii01d_ct = {
>   	.modes = &rocktech_rk101ii01d_ct_mode,
> +	.bpc = 8,
>   	.num_modes = 1,
>   	.size = {
>   		.width = 217,

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>

  Tomi