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Date: Wed, 22 May 2024 15:22:45 +0200
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From: Neil Armstrong <neil.armstrong@linaro.org>
Reply-To: neil.armstrong@linaro.org
Subject: Re: [PATCH v3 2/3] drm/panel/lg-sw43408: select
 CONFIG_DRM_DISPLAY_DP_HELPER
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
 Jessica Zhang <quic_jesszhan@quicinc.com>, Sam Ravnborg <sam@ravnborg.org>,
 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
 Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>,
 David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
 Sumit Semwal <sumit.semwal@linaro.org>,
 Caleb Connolly <caleb.connolly@linaro.org>,
 Alex Deucher <alexander.deucher@amd.com>,
 =?UTF-8?Q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>,
 Jani Nikula <jani.nikula@linux.intel.com>,
 Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
 Rodrigo Vivi <rodrigo.vivi@intel.com>, Tvrtko Ursulin
 <tursulin@ursulin.net>, Rob Clark <robdclark@gmail.com>,
 Abhinav Kumar <quic_abhinavk@quicinc.com>, Sean Paul <sean@poorly.run>,
 Marijn Suijten <marijn.suijten@somainline.org>, Vinod Koul
 <vkoul@kernel.org>, Caleb Connolly <caleb@connolly.tech>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
 amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org,
 linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org,
 kernel test robot <lkp@intel.com>
References: <20240522-panel-sw43408-fix-v3-0-6902285adcc0@linaro.org>
 <20240522-panel-sw43408-fix-v3-2-6902285adcc0@linaro.org>
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In-Reply-To: <20240522-panel-sw43408-fix-v3-2-6902285adcc0@linaro.org>
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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@intel.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@linaro.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@60Hz resolution and uses 24 bit RGB per
> 

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