From nobody Sun Dec 14 07:53:21 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F8DAC3F6B0 for ; Mon, 15 Aug 2022 18:44:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243130AbiHOSou (ORCPT ); Mon, 15 Aug 2022 14:44:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243937AbiHOSlr (ORCPT ); Mon, 15 Aug 2022 14:41:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 347EA2DD6; Mon, 15 Aug 2022 11:25:22 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BEAF760FB5; Mon, 15 Aug 2022 18:25:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5318BC433C1; Mon, 15 Aug 2022 18:25:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660587921; bh=qNfThmwwq1963EsJfsk7YisRF50ZzA+a4G/WyzoxZvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JcHUbreC2liXied1gplOA2r9WNLh9k78IDWtTWwOdPblH4VYPFu3wbMKwdXjy/a/V 6+NqdO37LWVawKB+uFWOPHzzLP4gWtxsO/7dcLq9XLw2FmkDEGBrfEPw/M7nAj3wmY mhvd0UhKLNtLlgG6OabMjlVwi/PoA2Hubviu7ZWg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hulk Robot , Gao Chao , Douglas Anderson , Sasha Levin Subject: [PATCH 5.15 238/779] drm/panel: Fix build error when CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20=y && CONFIG_DRM_DISPLAY_HELPER=m Date: Mon, 15 Aug 2022 19:58:02 +0200 Message-Id: <20220815180347.456238519@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180337.130757997@linuxfoundation.org> References: <20220815180337.130757997@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Gao Chao [ Upstream commit a67664860f7833015a683ea295f7c79ac2901332 ] If CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20=3Dy && CONFIG_DRM_DISPLAY_HELPER=3Dm, bulding fails: drivers/gpu/drm/panel/panel-samsung-atna33xc20.o: In function `atana33xc20_= probe': panel-samsung-atna33xc20.c:(.text+0x744): undefined reference to `drm_panel_dp_aux_backlight' make: *** [vmlinux] Error 1 Let CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20 select DRM_DISPLAY_DP_HELPER and CONFIG_DRM_DISPLAY_HELPER to fix this error. Fixes: 32ce3b320343 ("drm/panel: atna33xc20: Introduce the Samsung ATNA33XC= 20 panel") Reported-by: Hulk Robot Signed-off-by: Gao Chao Reviewed-by: Douglas Anderson Signed-off-by: Douglas Anderson Link: https://patchwork.freedesktop.org/patch/msgid/20220524024551.539-1-ga= ochao49@huawei.com Signed-off-by: Sasha Levin --- 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 af1402d83d51..479ffdb64486 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -373,6 +373,8 @@ config DRM_PANEL_SAMSUNG_ATNA33XC20 depends on OF depends on BACKLIGHT_CLASS_DEVICE depends on PM + select DRM_DISPLAY_DP_HELPER + select DRM_DISPLAY_HELPER select DRM_DP_AUX_BUS help DRM panel driver for the Samsung ATNA33XC20 panel. This panel can't --=20 2.35.1