From patchwork Fri Sep 22 07:41:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 13395140 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 6F4A3CD4F2B for ; Fri, 22 Sep 2023 07:42:36 +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=J2kxc3oKbOck1uppNrqtWT5A1Sb51+PDVb6r0qeviTA=; b=FN7zZODP4wxEmxFBjTp+/ZeAK/ qboA5jmCNv52fBpnbJiHMcSEsU5ZVdU9ilGjMC0VUlxPhJkGQm141cF+p6rwrTsGwAFAOrE7o/NVe B72BFwKbREML9/nQ6evJS9DHT2zV1jI2AOqSRXJWKDmG2tnRbAVzxz3mX2w/gez8qC6K3Vu7fQb5G rG6lbjwnKejcF38SF3vQsgimQ2bwGQckot/Wkwl1A+MMw3h8MBmQBn75IZTUdFrQsps0BOTtmjnKp bzb6J3oWBK8xz5e12wk/omjFws7zaShqdYPbAgc1zDXx/IYf6Ip3FWNRAYH2Rx5ZYEd7qUb6NvpNe fhx58JoA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qjao7-008EX3-0b; Fri, 22 Sep 2023 07:42:35 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qjanW-008E93-0j; Fri, 22 Sep 2023 07:42:02 +0000 X-UUID: 80bfda76591b11ee86758d4a7c00f3a0-20230922 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=J2kxc3oKbOck1uppNrqtWT5A1Sb51+PDVb6r0qeviTA=; b=tESNrqo9ZtD31B/yOAwEG4U4KW6uui11AuDw8gdtpmhlM27OZNJJFFNzY/ey4IVoiEwDVQs07zXh9vjTkSbjfvc9uCVGdANLiZlK68Av/K5BMnRssf6AZ5C8GJP1+WFlMG/PiD4W+5mWys673Gu94WYojr19MfhgG7iyZwb79h8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32,REQID:42c14ec0-048a-431f-8f38-9bca9a90b7f6,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:5f78ec9,CLOUDID:05993e14-4929-4845-9571-38c601e9c3c9,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,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 80bfda76591b11ee86758d4a7c00f3a0-20230922 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1388209053; Fri, 22 Sep 2023 00:41:55 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) 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; Fri, 22 Sep 2023 15:41:47 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 22 Sep 2023 15:41:47 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Matthias Brugger , AngeloGioacchino Del Regno , Ping-Hsun Wu , daoyuan huang , "Hans Verkuil" CC: , , , , Moudy Ho Subject: [PATCH v6 06/13] media: platform: mtk-mdp3: avoid multiple driver registrations Date: Fri, 22 Sep 2023 15:41:38 +0800 Message-ID: <20230922074145.11977-7-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230922074145.11977-1-moudy.ho@mediatek.com> References: <20230922074145.11977-1-moudy.ho@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--7.179200-8.000000 X-TMASE-MatchedRID: PQIaRDv4+w4BCIpkUn74FLg7LINv5AfgLL6mJOIs/vYs/uUAk6xP7PlY oV6p/cSxARdN2JeGGT9JYgJHd90gXxElELPcdUQnGVyS87Wb4lzEoDEGChh7CVlDV0KgHSWHvlJ 3+emUkhzi8zVgXoAltsIJ+4gwXrEtIAcCikR3vq9hm4Y1VTjopK50kiJ9WXKWCs0VwnvRHN49I/ WHSbgMDIKBaDypH2iz X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--7.179200-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: EEA4FD518C2FA86770D511FF6ABC6C5EF2665362A4C387077F6C1ACC92EBBF2A2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230922_004158_283652_E35B02F9 X-CRM114-Status: GOOD ( 14.63 ) 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 amount of MDP3 driver probes is determined by the registered clocks of MMSYS. Since MT8195 MDP3 utilizes VPPSYS0 and VPPSYS1, it's necessary to prevent multiple driver registrations. Signed-off-by: Moudy Ho --- drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c | 1 + drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c | 8 ++++++++ drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h | 1 + 3 files changed, 10 insertions(+) diff --git a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c index fe92c0474bfa..6f77c33074ec 100644 --- a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c +++ b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c @@ -410,6 +410,7 @@ static const struct mdp_pipe_info mt8183_pipe_info[] = { const struct mtk_mdp_driver_data mt8183_mdp_driver_data = { .mdp_plat_id = MT8183, + .mdp_con_res = 0x14001000, .mdp_probe_infra = mt8183_mdp_probe_infra, .mdp_cfg = &mt8183_plat_cfg, .mdp_mutex_table_idx = mt8183_mutex_idx, diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c index 8959f83eb5b5..b214510ac42d 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c @@ -211,6 +211,7 @@ static int mdp_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct mdp_dev *mdp; struct platform_device *mm_pdev; + struct resource *res; int ret, i, mutex_id; mdp = kzalloc(sizeof(*mdp), GFP_KERNEL); @@ -222,6 +223,12 @@ static int mdp_probe(struct platform_device *pdev) mdp->pdev = pdev; mdp->mdp_data = of_device_get_match_data(&pdev->dev); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res->start != mdp->mdp_data->mdp_con_res) { + platform_set_drvdata(pdev, mdp); + goto success_return; + } + ret = mdp_mm_subsys_deploy(mdp, MDP_INFRA_MMSYS); if (ret) goto err_destroy_device; @@ -307,6 +314,7 @@ 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 ece6509666fd..22d1b17ef2fc 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h @@ -71,6 +71,7 @@ enum mdp_pipe_id { struct mtk_mdp_driver_data { const int mdp_plat_id; + const resource_size_t mdp_con_res; const struct of_device_id *mdp_probe_infra; const struct mdp_platform_config *mdp_cfg; const u32 *mdp_mutex_table_idx;