linux-kernel - Re: [PATCH] drm/panel: nt37801: select CONFIG_DRM_DISPLAY_DSC

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Message-ID: <im3otl524ar2kkdj4zpstrsuemwu2iamoudqdznzlqhq2uvfn4@qlkb4fmgkvsp>
Date: Fri, 23 May 2025 23:56:58 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Arnd Bergmann <arnd@...nel.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        Danila Tikhonov <danila@...xyga.com>,
        Jakob Hauser <jahau@...ketmail.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        Hironori KIKUCHI <kikuchan98@...il.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/panel: nt37801: select CONFIG_DRM_DISPLAY_DSC_HELPER

On Fri, May 23, 2025 at 02:11:22PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The newly added driver uses the DSC helper module, but does not
> select its Kconfig symbol, so configurations are possible that
> cause a link failure:
> 
> ERROR: modpost: "drm_dsc_pps_payload_pack" [drivers/gpu/drm/panel/panel-novatek-nt37801.ko] undefined!
> 
> Fixes: 4fca6849864d ("drm/panel: Add Novatek NT37801 panel driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/gpu/drm/panel/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>

-- 
With best wishes
Dmitry