From nobody Fri Sep 20 11:45:01 2024 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 01311E92FF4 for ; Fri, 6 Oct 2023 07:39:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231244AbjJFHjy (ORCPT ); Fri, 6 Oct 2023 03:39:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58622 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230431AbjJFHi6 (ORCPT ); Fri, 6 Oct 2023 03:38:58 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E34D4100; Fri, 6 Oct 2023 00:38:46 -0700 (PDT) X-UUID: 5ed0dda6641b11eea33bb35ae8d461a2-20231006 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=gIlRZMTlZ8FvDxEBaKzMig8ya2slnQBMy/v7Mc6iXpI=; b=jH38Vf5s5tmXwDXkD3uN3X9XX747LPM1fQT5QRKZPL1B/3SqD2VfWnAoXXygZo7UkJIqnp+B3byizFFJAuaYCRzcGo3yiYU4zW5tNmPOFi+fFRfkLTAzzgRGF2GXXJwi8inqzddBZIwFnM1QmqTcfv4pe96oFF+a0pmErS9pEi4=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32,REQID:69c986a6-8a5c-4feb-83d9-e96ee8d4d538,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:5f78ec9,CLOUDID:96db82f0-9a6e-4c39-b73e-f2bc08ca3dc5,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 5ed0dda6641b11eea33bb35ae8d461a2-20231006 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1750975016; Fri, 06 Oct 2023 15:38:41 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 6 Oct 2023 15:38:40 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 6 Oct 2023 15:38:40 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , CK Hu , Krzysztof Kozlowski , Matthias Brugger , Rob Herring CC: Conor Dooley , Philipp Zabel , David Airlie , Daniel Vetter , Chun-Kuang Hu , Mauro Carvalho Chehab , , , , , , Singo Chang , "Nancy . Lin" , "Jason-JH . Lin" , Hsiao Chien Sung Subject: [PATCH v7 19/23] drm/mediatek: Return error if MDP RDMA failed to enable the clock Date: Fri, 6 Oct 2023 15:38:27 +0800 Message-ID: <20231006073831.10402-20-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231006073831.10402-1-shawn.sung@mediatek.com> References: <20231006073831.10402-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Return the result of clk_prepare_enable() instead of always returns 0. Fixes: f8946e2b6bb2 ("drm/mediatek: Add display MDP RDMA support for MT8195= ") Signed-off-by: Hsiao Chien Sung Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/medi= atek/mtk_mdp_rdma.c index c3adaeefd551..c7233d0ac210 100644 --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c @@ -246,8 +246,7 @@ int mtk_mdp_rdma_clk_enable(struct device *dev) { struct mtk_mdp_rdma *rdma =3D dev_get_drvdata(dev); =20 - clk_prepare_enable(rdma->clk); - return 0; + return clk_prepare_enable(rdma->clk); } =20 void mtk_mdp_rdma_clk_disable(struct device *dev) --=20 2.18.0