From: Neil Armstrong <neil.armstrong@linaro.org>
To: Arnd Bergmann <arnd@kernel.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Pengyu Luo <mitltlatltl@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
Jessica Zhang <jesszhan0024@gmail.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
David Heidelberg <david@ixit.cz>,
Svyatoslav Ryhel <clamor95@gmail.com>,
Julian Braha <julianbraha@gmail.com>,
Dario Binacchi <dario.binacchi@amarulasolutions.com>,
Teguh Sobirin <teguh@sobir.in>,
Marijn Suijten <marijn.suijten@somainline.org>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/panel: fix novatek-nt36536 dependencies
Date: Mon, 28 Sep 2026 00:52:08 +0200 [thread overview]
Message-ID: <fc3da38f-0816-4639-b26b-bcf3a2dda0e6@linaro.org> (raw)
In-Reply-To: <20260925130125.3897046-1-arnd@kernel.org>
On 9/25/26 15:01, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The recently added driver requires access to DSC helper code
> and fails to link without that:
>
> ld.lld: error: undefined symbol: drm_dsc_pps_payload_pack
>>>> referenced by panel-novatek-nt36536.c:109 (/home/arnd/arm-soc/drivers/gpu/drm/panel/panel-novatek-nt36536.c:109)
>>>> drivers/gpu/drm/panel/panel-novatek-nt36536.o:(novatek_prepare) in archive vmlinux.a
>
> Add the usual Kconfig dependency.
>
> Fixes: 75a5dbd1f4f7 ("drm/panel: Add Novatek NT36536 panel driver")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> 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 6874752a1901..8bf7911d2a0e 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -694,6 +694,8 @@ config DRM_PANEL_NOVATEK_NT36536
> depends on OF
> depends on DRM_MIPI_DSI
> depends on BACKLIGHT_CLASS_DEVICE
> + select DRM_DISPLAY_DSC_HELPER
> + select DRM_DISPLAY_HELPER
> select DRM_KMS_HELPER
> help
> Say Y here if you want to enable support for Novatek NT36536-based
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Thanks,
Neil
prev parent reply other threads:[~2026-09-27 22:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-25 13:01 Arnd Bergmann
2026-09-27 22:52 ` Neil Armstrong [this message]
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