From patchwork Thu Nov 24 12:52:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 13054966 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 76DE3C43217 for ; Thu, 24 Nov 2022 13:12:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=XGWtzqysHWwyBDnERg/YWC0l0GaSJFvhb+qWs3XLQOk=; b=FZRXnqwDdtMQE3yYJGQVViEsTu ln5HwMsGdZSxckX9/Pa7Jq8UkA30pDPNA7GxiuwAZu/czpHyUZS+hwaAMh7okO78PD9onVwKlbkuk an/mGAdlinmJZ7LVzRk3Dklmr02SIKCaS587HguF5+uKIIXwA4KiIwPq0aq677hpeouV2ylWLSl0c vZRjtCgRGg218K+aeJmtLqDCOd/BVtpwoJKbO3KYUyMJdPNWULIUMpfoVoPquEcfc63vpyJgBAXoX sYwabsz+lpiUK7hhIOGqR33Pd2fPCzAZPjn5zYsj8+SG3M52JWlxQcR+tp21DOmzVOPiufVZFnDqf eXZnQuSw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oyC1B-008e1M-JJ; Thu, 24 Nov 2022 13:11:53 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oyBjX-008VY9-9d for linux-mediatek@lists.infradead.org; Thu, 24 Nov 2022 12:53:41 +0000 X-UUID: 17fa5f8283e748869bed19bb18920efc-20221124 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=XGWtzqysHWwyBDnERg/YWC0l0GaSJFvhb+qWs3XLQOk=; b=Ae1moGnaj0wM9cunjL20JW+jkQX61XkYbhCkcqms5fBT2Kf0yBQCDMVJCJx86MZNHeCb/Qh0MpB6cP5amIG/UV0KAsrfBeK+UBSoFGNLQQ+n7OfXO8760Jt0H3XlLnfCyMyQH4eMcOrTGHuFxUBotDZ9NQMYuMpPLH6/Yz7V8Qo=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.14,REQID:52819d39-c95f-4972-b02e-a0a0144e3b43,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:dcaaed0,CLOUDID:0d4937f9-3a34-4838-abcf-dfedf9dd068e,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 X-UUID: 17fa5f8283e748869bed19bb18920efc-20221124 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 494293174; Thu, 24 Nov 2022 05:53:33 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Thu, 24 Nov 2022 20:52:27 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Thu, 24 Nov 2022 20:52:28 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Matthias Brugger , Hans Verkuil CC: Chun-Kuang Hu , , , , , Moudy Ho Subject: [PATCH v1 08/12] media: platform: mtk-mdp3: avoid multiple driver registrations Date: Thu, 24 Nov 2022 20:52:21 +0800 Message-ID: <20221124125225.24538-9-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20221124125225.24538-1-moudy.ho@mediatek.com> References: <20221124125225.24538-1-moudy.ho@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221124_045339_470915_4895D221 X-CRM114-Status: GOOD ( 13.73 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org The number of MDP3 driver probes depends on the registered clocks of MMSYS. Because VPPSYS0 and VPPSYS1 are used in MT8195 MDP3, it is necessary to avoid multiple driver registrations. Signed-off-by: Moudy Ho --- drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c | 7 ++++++- drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c index 56c42bd3f16b..6e3abadef6cd 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c @@ -187,6 +187,11 @@ static int mdp_probe(struct platform_device *pdev) mdp->pdev = pdev; mdp->mdp_data = of_device_get_match_data(&pdev->dev); + if (strcmp(dev->of_node->name, MDP_NODE_NAME)) { + platform_set_drvdata(pdev, mdp); + goto success_return; + } + mm_pdev = __get_pdev_by_id(pdev, NULL, MDP_INFRA_MMSYS); if (IS_ERR_OR_NULL(mm_pdev)) { ret = -ENODEV; @@ -224,7 +229,6 @@ static int mdp_probe(struct platform_device *pdev) p = (id && mm2_pdev) ? mm2_pdev : mm_pdev; m = (id && mm2_pdev) ? mdp->mdp_mutex2 : mdp->mdp_mutex; - if (m[mutex_id]) continue; m[mutex_id] = mtk_mutex_get(&p->dev); @@ -293,6 +297,7 @@ static int mdp_probe(struct platform_device *pdev) goto err_unregister_device; } +success_return: dev_dbg(dev, "mdp-%d registered successfully\n", pdev->id); return 0; diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h index 49b6e9c8e089..e5bd75ff90ee 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h @@ -14,6 +14,7 @@ #include "mtk-mdp3-comp.h" #include "mtk-mdp3-vpu.h" +#define MDP_NODE_NAME "mdp3-rdma0" #define MDP_MODULE_NAME "mtk-mdp3" #define MDP_DEVICE_NAME "MediaTek MDP3" #define MDP_PHANDLE_NAME "mediatek,mdp3"