From nobody Fri Dec 19 14:45:43 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8470F23535B for ; Fri, 23 May 2025 12:11:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748002296; cv=none; b=JO/GgV1SD+9TAsz2QXNCt3NT7TMLpBPiB6hfZsDIwzBXJVb/oFyLARmLpsLYNQpDsNWqU//WfKUl3HEBf+XMp6tbglYr1XeO0l2OYX+eOloEoy2nqjcRk92vYkmn9mEDgUyl0lluTZn6HAwXY+RgbOTCWx+xnuiyp55F0Ux1hbs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748002296; c=relaxed/simple; bh=upco2MjGTbWcx0KwuxZ81lYk46ygbIZH+HnuS8wNgxo=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=XYBUSBdrDsF7lsQ+O9C9aLLsc4p0PiN7QR9KIBxt1wxl1wPUUEbWd77MQwdW04xJmVlj0EsKwXJz0AlQdayUhUu+rRmwPrBFMD1IMIlJfYTOKqn3zqy1V3GC9J0WTysviqcHP3JY8xZC8/CG3GotIt31wAfoXMQbKL+dzoYL7Sw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OupbYX3k; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OupbYX3k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B8A7C4CEE9; Fri, 23 May 2025 12:11:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1748002295; bh=upco2MjGTbWcx0KwuxZ81lYk46ygbIZH+HnuS8wNgxo=; h=From:To:Cc:Subject:Date:From; b=OupbYX3kvgUN5ZcYD32xfiJB1IP34v8cFI6HZ63OTGL06nftDHqgdgeJwjgcKdB7Y uHORnoBVWYm8uKS+icARRKuOI3sqeIeedn9bjO4kEvWJGCSZKtMFwB6GOu44LfuGU0 x5Oj2cVosNsIZHsU836ijZvg+edAy1rwX5wRWXrcrN4pSItHfwlzNeUNSvaWQV5Xye LLjDlDM9Is3M6T8k7HL2g+4jnDN+BHELnQ/W8dIbit/a8cjtYpCjDn25sJqivDP/OB rYq8gLI8f5weXKbkw3T3k6ljilE4nOUgyo1vYO+H2hpHR78SJbUblgsqQxZUeJU+n4 4gTbcExFQGtCg== From: Arnd Bergmann To: Neil Armstrong , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Krzysztof Kozlowski , Linus Walleij Cc: Arnd Bergmann , Jessica Zhang , Dmitry Baryshkov , Danila Tikhonov , Jakob Hauser , Jerome Brunet , AngeloGioacchino Del Regno , Sebastian Reichel , Hironori KIKUCHI , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/panel: nt37801: select CONFIG_DRM_DISPLAY_DSC_HELPER Date: Fri, 23 May 2025 14:11:22 +0200 Message-Id: <20250523121127.2269693-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Arnd Bergmann 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-nov= atek-nt37801.ko] undefined! Fixes: 4fca6849864d ("drm/panel: Add Novatek NT37801 panel driver") Signed-off-by: Arnd Bergmann Reviewed-by: Dmitry Baryshkov Reviewed-by: Krzysztof Kozlowski --- 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 721581d425b4..cfebb08e8a62 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -522,6 +522,8 @@ config DRM_PANEL_NOVATEK_NT37801 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 Novatek NT37801 (or NT37810) AMOLED DSI Video Mode LCD panel module with 1440x3200 --=20 2.39.5