linux-kernel - Re: [PATCH v3 2/3] drm/panel/lg-sw43408: select CONFIG_DRM_DISPLAY_DP

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Message-ID: <c9c8aa2f-38c8-4362-8b08-9fbc0821ae0c@linaro.org>
Date: Wed, 22 May 2024 15:22:45 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Jessica Zhang <quic_jesszhan@...cinc.com>, 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>,
 Sumit Semwal <sumit.semwal@...aro.org>,
 Caleb Connolly <caleb.connolly@...aro.org>,
 Alex Deucher <alexander.deucher@....com>,
 Christian König <christian.koenig@....com>,
 Jani Nikula <jani.nikula@...ux.intel.com>,
 Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
 Rodrigo Vivi <rodrigo.vivi@...el.com>, Tvrtko Ursulin
 <tursulin@...ulin.net>, Rob Clark <robdclark@...il.com>,
 Abhinav Kumar <quic_abhinavk@...cinc.com>, Sean Paul <sean@...rly.run>,
 Marijn Suijten <marijn.suijten@...ainline.org>, Vinod Koul
 <vkoul@...nel.org>, Caleb Connolly <caleb@...nolly.tech>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 amd-gfx@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
 linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
 kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v3 2/3] drm/panel/lg-sw43408: select
 CONFIG_DRM_DISPLAY_DP_HELPER

On 22/05/2024 08:25, Dmitry Baryshkov wrote:
> This panel driver uses DSC PPS functions and as such depends on the
> DRM_DISPLAY_DP_HELPER. Select this symbol to make required functions
> available to the driver.
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202404200800.kYsRYyli-lkp@intel.com/
> Fixes: 069a6c0e94f9 ("drm: panel: Add LG sw43408 panel driver")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
>   drivers/gpu/drm/panel/Kconfig | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index 4a2f621433ef..3e3f63479544 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -340,6 +340,8 @@ config DRM_PANEL_LG_SW43408
>   	depends on OF
>   	depends on DRM_MIPI_DSI
>   	depends on BACKLIGHT_CLASS_DEVICE
> +	select DRM_DISPLAY_DSC_HELPER
> +	select DRM_DISPLAY_HELPER
>   	help
>   	  Say Y here if you want to enable support for LG sw43408 panel.
>   	  The panel has a 1080x2160@...z resolution and uses 24 bit RGB per
> 

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