From patchwork Wed Oct 18 04:36:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 154645 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4561739vqb; Tue, 17 Oct 2023 21:38:48 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHJ/t6CYUxsZyyCawdYh7t1LW5x1a6PSsudV9yWefoin6q+5Sezott1BNKgnFm8oUgFaq5q X-Received: by 2002:a05:6a20:d80d:b0:163:ab09:193e with SMTP id iv13-20020a056a20d80d00b00163ab09193emr4176554pzb.1.1697603927967; Tue, 17 Oct 2023 21:38:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697603927; cv=none; d=google.com; s=arc-20160816; b=Cw+7J37ChiPjiSj3cuW7MJrVB6fXOK9DgjcOC+Tgp/1ZzcaR5uKQmrW62Rvz6C/7/D uoGVWVFZOyavCMPUMeLIYr/+dKssf2ANZJ5zpYS+wJNbvztUY8IT71OJH/xxtX4xqZoD h+aBmsaRcRF00GKU+lYZc8wNUBBSNB9At17VEvLCyx/ibck6ghOZJxt9yqnutPeFlijI jAQxyGY9n+5EQ3FaINtoPDM+pOPVIcutMa/hAemk/E2xhyi8AqrQG2p6sx0LPCcQFhWn 37IGGCZnqGMSA/4E/4lwhOBENLDA1ikn2pwqA/iaWavzdVeMTJ6BMGRnQenaoeYwMhap XElw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=rDCZqqAgsLHVqzsDyWaPhzgQru1JM3krwTHzzXf3+h0=; fh=4ayDnRc8Y9I8QMYC1FHyNSZG2jFxKIZ2Jctn56ASwHU=; b=Be3zSH8vriumOqb2iS3k11zZ4nE2YWJ1HR/InHwcLX7UWxM1ZiHcz72IrWePQmxgWx oJ8nj2C1BCZiiKumHGgjqIB12N9CSA/nIr4RtEnsdd0anFzJfFQuKG8sT57FhRvoePRQ X0twLJ6bNg7keH6lVWdOmrfYMAJwsBFiIngWK4UHa2fwlYZGyHWyQa636jHe0PNUOmcT AW0c2pbP4UWvTS1pqN1zh859cVs80lDPJ5jqcxO/sSeRsWNcahSSkcoJQfgBV/yS7tVn ZMG/IoLIWJnY1cu+OwQqwvZI8TXU3H1ayaPydaUb/JR2IcCQckPwJdQofFRe2qdyE41C uGcQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@mediatek.com header.s=dk header.b=lb+XREr4; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=mediatek.com Received: from snail.vger.email (snail.vger.email. [2620:137:e000::3:7]) by mx.google.com with ESMTPS id mw17-20020a17090b4d1100b0026b502223cbsi750483pjb.10.2023.10.17.21.38.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 21:38:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@mediatek.com header.s=dk header.b=lb+XREr4; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=mediatek.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 4DC888116E49; Tue, 17 Oct 2023 21:38:47 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235246AbjJREik (ORCPT + 23 others); Wed, 18 Oct 2023 00:38:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229578AbjJREhS (ORCPT ); Wed, 18 Oct 2023 00:37:18 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 302F7100; Tue, 17 Oct 2023 21:37:08 -0700 (PDT) X-UUID: f7fcfd7c6d6f11ee8051498923ad61e6-20231018 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=rDCZqqAgsLHVqzsDyWaPhzgQru1JM3krwTHzzXf3+h0=; b=lb+XREr44zCMqRMBtz/yPyUpQG/j7F/rk2JIgctBpH5GKnfP7rpyzG6GOLgtwOKG/3/byQLYrutUHqaq++F70AteTUHHGuGkDteWgYbcCER0FJsXwgsb5El2Kgri0F+o+C0uTMV8TyAhETW8e8SSaBxqEiHDoC+gV0U0Xubqm24=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32,REQID:a13808fd-7503-432c-bdb3-e242c9dbb2fe,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:5f78ec9,CLOUDID:97e90fc0-14cc-44ca-b657-2d2783296e72,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,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,TF_CID_SPAM_ULN X-UUID: f7fcfd7c6d6f11ee8051498923ad61e6-20231018 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 911602735; Wed, 18 Oct 2023 12:36:56 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 18 Oct 2023 12:36:54 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 18 Oct 2023 12:36:54 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , "CK Hu" , Krzysztof Kozlowski , Matthias Brugger , Rob Herring CC: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Fei Shao , Sean Paul , Johnson Wang , "Nancy . Lin" , Moudy Ho , Hsiao Chien Sung , "Jason-JH . Lin" , Nathan Lu , , , , , Subject: [PATCH v9 19/23] drm/mediatek: Return error if MDP RDMA failed to enable the clock Date: Wed, 18 Oct 2023 12:36:46 +0800 Message-ID: <20231018043650.22532-20-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231018043650.22532-1-shawn.sung@mediatek.com> References: <20231018043650.22532-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--2.708200-8.000000 X-TMASE-MatchedRID: dXJslEWlJ68PRVepDWIjx2NW0DAjL5p+Wot5Z16+u77vnm3ZesFzgvKC 81FnsF5IrUhQzMxACbr/9kP++bIewpcFdomgH0lnFEUknJ/kEl5q8/xv2Um1avoLR4+zsDTtrXT /QMyU2NxH9jHR2PGQD2j/1IQ2AqP08KC9+XOIoEH6RbO+ZghcVQIK4nTjGJzqA2KUQ0lkfh7GF2 Hf257q/N5paBsuHYsdG11BE5QqteN2a1GxGYqQBIlk9PZkM+7M8PZB/MwMuOEiHbpOSZI3d8C+k sT6a9fy X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--2.708200-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: CCA9D36BCEC2C426F4342BA2F5B9DB2CC651E91EEE6B34EB5009BE12E577917B2000:8 X-MTK: N X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED,RDNS_NONE, SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Tue, 17 Oct 2023 21:38:47 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780066736381774785 X-GMAIL-MSGID: 1780066736381774785 Return the result of clk_prepare_enable() instead of always returns 0. Fixes: f8946e2b6bb2 ("drm/mediatek: Add display MDP RDMA support for MT8195") Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- 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/mediatek/mtk_mdp_rdma.c index 5746f06220c1..cb36a961786f 100644 --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c @@ -247,8 +247,7 @@ int mtk_mdp_rdma_clk_enable(struct device *dev) { struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev); - clk_prepare_enable(rdma->clk); - return 0; + return clk_prepare_enable(rdma->clk); } void mtk_mdp_rdma_clk_disable(struct device *dev)