From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BE0CC433FE for ; Wed, 6 Oct 2021 19:39:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 66AC8611C5 for ; Wed, 6 Oct 2021 19:39:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239614AbhJFTkx (ORCPT ); Wed, 6 Oct 2021 15:40:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239473AbhJFTkl (ORCPT ); Wed, 6 Oct 2021 15:40:41 -0400 Received: from mail-pf1-x435.google.com (mail-pf1-x435.google.com [IPv6:2607:f8b0:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03BB4C06176D for ; Wed, 6 Oct 2021 12:38:43 -0700 (PDT) Received: by mail-pf1-x435.google.com with SMTP id u7so3247705pfg.13 for ; Wed, 06 Oct 2021 12:38:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=SfmZAoSN1UYJWac68o+RmufoyphUhdu5prdrSebp+yc=; b=lR3e60kqzXBHZaGkPwb7m2clNOWGIC+QK+xFUXxYnJHt3sM0RyuPMX6wjnWuSaVzz2 NxyBb8wWtv1OQrg57KHoILPMymCoO2tOyOSF30RTTikQtVbLQOMMuPsePdSSpz1rv6mm ausQyEld9rQoWpA0SskVIWd4YxGzAot9mIRts= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=SfmZAoSN1UYJWac68o+RmufoyphUhdu5prdrSebp+yc=; b=RWu9MTrjj/SdYfVh5HNbH0KPKgIOq+R9pn9K8Qd+NwHrCR3Etys1n4+joaEyjVTlcI YZSitMfX8m+bEZaHwxI4/f836Jq1hJHvGcTCFHY8HRwgxGKc4CvY30ElFfXIKN10ul6F A/rvcHa/KdNVkMiKaT9dyv368p/+rP/XcaBLRCF2lr9iVcGy95Wx937DZx/BLEeAJ/S/ oevWzWAvmBoUBo8QqAO8MTFDbgTkmB8MbkIP9JGfsXXu15KeBJBP2G2CwMTvwoj3rbPw 81sKo12hiWpn4CzxSz1t+dGG//WDL20FMOZwYG5Ldj5p4KVzOLgcn8iPgAgy6V1/QrCm 24Hg== X-Gm-Message-State: AOAM532JlK9A38ACKASk6PdcA6vsCuOa7IGAem4CA7Z0ILEZKyzuIChz v7glUubv1S3s3Iv++nXB9nTxEw== X-Google-Smtp-Source: ABdhPJw44Ec3f+jH8OkFad8w8eFVyZPk1n7UEbJlEfcA8OpFaIoDcOzpq0qUJoSQ0mCc4yj8scnFEg== X-Received: by 2002:aa7:9d0b:0:b0:44c:62a6:8679 with SMTP id k11-20020aa79d0b000000b0044c62a68679mr216264pfp.0.1633549122583; Wed, 06 Oct 2021 12:38:42 -0700 (PDT) Received: from smtp.gmail.com ([2620:15c:202:201:d412:c5eb:4aca:4738]) by smtp.gmail.com with ESMTPSA id o14sm22011296pfh.84.2021.10.06.12.38.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Oct 2021 12:38:42 -0700 (PDT) From: Stephen Boyd To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Chun-Kuang Hu , Philipp Zabel , Daniel Vetter , "Rafael J. Wysocki" , Rob Clark , Russell King , Saravana Kannan Subject: [PATCH v2 17/34] drm/mediatek: Migrate to aggregate driver Date: Wed, 6 Oct 2021 12:38:02 -0700 Message-Id: <20211006193819.2654854-18-swboyd@chromium.org> X-Mailer: git-send-email 2.33.0.800.g4c38ced690-goog In-Reply-To: <20211006193819.2654854-1-swboyd@chromium.org> References: <20211006193819.2654854-1-swboyd@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use an aggregate driver instead of component ops so that we can get proper driver probe ordering of the aggregate device with respect to all the component devices that make up the aggregate device. Cc: Chun-Kuang Hu Cc: Philipp Zabel Cc: Daniel Vetter Cc: "Rafael J. Wysocki" Cc: Rob Clark Cc: Russell King Cc: Saravana Kannan Signed-off-by: Stephen Boyd --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index aec39724ebeb..a3f27b8c9769 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -348,8 +348,9 @@ static int compare_of(struct device *dev, void *data) return dev->of_node == data; } -static int mtk_drm_bind(struct device *dev) +static int mtk_drm_bind(struct aggregate_device *adev) { + struct device *dev = adev->parent; struct mtk_drm_private *private = dev_get_drvdata(dev); struct drm_device *drm; int ret; @@ -380,8 +381,9 @@ static int mtk_drm_bind(struct device *dev) return ret; } -static void mtk_drm_unbind(struct device *dev) +static void mtk_drm_unbind(struct aggregate_device *adev) { + struct device *dev = adev->parent; struct mtk_drm_private *private = dev_get_drvdata(dev); drm_dev_unregister(private->drm); @@ -391,9 +393,13 @@ static void mtk_drm_unbind(struct device *dev) private->drm = NULL; } -static const struct component_master_ops mtk_drm_ops = { - .bind = mtk_drm_bind, - .unbind = mtk_drm_unbind, +static struct aggregate_driver mtk_drm_aggregate_driver = { + .probe = mtk_drm_bind, + .remove = mtk_drm_unbind, + .driver = { + .name = "mtk_drm", + .owner = THIS_MODULE, + }, }; static const struct of_device_id mtk_ddp_comp_dt_ids[] = { @@ -593,7 +599,7 @@ static int mtk_drm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, private); - ret = component_master_add_with_match(dev, &mtk_drm_ops, match); + ret = component_aggregate_register(dev, &mtk_drm_aggregate_driver, match); if (ret) goto err_pm; @@ -616,7 +622,7 @@ static int mtk_drm_remove(struct platform_device *pdev) struct mtk_drm_private *private = platform_get_drvdata(pdev); int i; - component_master_del(&pdev->dev, &mtk_drm_ops); + component_aggregate_unregister(&pdev->dev, &mtk_drm_aggregate_driver); pm_runtime_disable(&pdev->dev); of_node_put(private->mutex_node); for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) -- https://chromeos.dev