linux-kernel - Re: [PATCH RFC 01/10] drm/panel: Clean up SOFEF00 config dependencies

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Message-ID: <7c1a7897-48ee-f991-314e-3a88c51bbcc9@linaro.org>
Date:   Mon, 22 May 2023 11:01:22 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Marijn Suijten <marijn.suijten@...ainline.org>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Caleb Connolly <caleb@...nolly.tech>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Jessica Zhang <quic_jesszhan@...cinc.com>
Subject: Re: [PATCH RFC 01/10] drm/panel: Clean up SOFEF00 config dependencies

On 21/05/2023 23:23, Marijn Suijten wrote:
> As per the config name this Display IC features a DSI command-mode
> interface (or the command to switch to video mode is not
> known/documented) and does not use any of the video-mode helper
> utilities, hence should not select VIDEOMODE_HELPERS.  In addition it
> uses devm_gpiod_get() and related functions from GPIOLIB.
> 
> Fixes: 5933baa36e26 ("drm/panel/samsung-sofef00: Add panel for OnePlus 6/T devices")
> Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
> ---
>   drivers/gpu/drm/panel/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index 2b9d6db7860ba..67ef898d133f2 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -608,10 +608,10 @@ config DRM_PANEL_SAMSUNG_S6E8AA0
>   
>   config DRM_PANEL_SAMSUNG_SOFEF00
>   	tristate "Samsung sofef00/s6e3fc2x01 OnePlus 6/6T DSI cmd mode panels"
> +	depends on GPIOLIB
>   	depends on OF
>   	depends on DRM_MIPI_DSI
>   	depends on BACKLIGHT_CLASS_DEVICE
> -	select VIDEOMODE_HELPERS
>   	help
>   	  Say Y or M here if you want to enable support for the Samsung AMOLED
>   	  command mode panels found in the OnePlus 6/6T smartphones.
> 

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