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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A93A4C433EF for ; Thu, 27 Jan 2022 20:03:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343952AbiA0UD6 (ORCPT ); Thu, 27 Jan 2022 15:03:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343765AbiA0UCY (ORCPT ); Thu, 27 Jan 2022 15:02:24 -0500 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B965C061762 for ; Thu, 27 Jan 2022 12:02:21 -0800 (PST) Received: by mail-pj1-x102d.google.com with SMTP id h12so4142692pjq.3 for ; Thu, 27 Jan 2022 12:02:21 -0800 (PST) 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=IW/8Y9aTwhLOwEb2xP1btnAgZlqJiVoA25E4MQ0ztlM=; b=Orc/8SO3R+dEVDvMgPCjrMtDqLFJ0Q6HS0V1upmPpUW4kXr9C4iejmRDOGbRV9iW4j k9loF01QGaULZ1/ixZXpaAmhKNCK4M8hIxc3gWmGet47QcH0vvkYz42DwlJvJdht3Dnv tqIWTsf24/eGXmaKQV4HRtIrBwUEtqhRo9dI4= 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=IW/8Y9aTwhLOwEb2xP1btnAgZlqJiVoA25E4MQ0ztlM=; b=vY3epaw7reVpjFV/se+niUuNdhVCaAIP1nBRurUgTN3MOV9XvxsjxMvYDceS0UHueI H5P0jvJn1tSvxUcSTV2w6lEVSAyPbyTd2z9SxQLXb6Vm7GEmjF9CKlhFBEPGbrHzdV9t RbncPf8iTKqyMoz3RIPAkv8X3lsLQ0tIiFlZvSJXccilrZJ4PdxRjZMxNz23xU+Fm4tZ /LHuoW4kaaalMCnERAOEKvrT/qgkmBTQHN1Os/JDNNcIl73v4M5NbIGaR9L+ReEy9UzY ZrGCFZa3VnP9jxWF7pongsUBDVLpmhKGmXajf/0XxaSzPJ+i+pkjuVATEoH4tZ5mJhIE 7VTQ== X-Gm-Message-State: AOAM532u5qjA7o+0bf7mnRAHJ+c6eoNFqhQJFV1015q1M9Ur7lkOoG9E hxnYrvqPlXvWGmOqV8MbTKn1og== X-Google-Smtp-Source: ABdhPJwbPVI8xDeM1NWvY0IzOnQ+E4h23xnsQ0RPm+d8WXJjw8YoUnpfi1pwRQVIiRppcVlDbKUIrA== X-Received: by 2002:a17:902:da90:: with SMTP id j16mr4907623plx.101.1643313740669; Thu, 27 Jan 2022 12:02:20 -0800 (PST) Received: from smtp.gmail.com ([2620:15c:202:201:9246:1838:3243:3071]) by smtp.gmail.com with ESMTPSA id k21sm6561190pff.33.2022.01.27.12.02.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jan 2022 12:02:20 -0800 (PST) From: Stephen Boyd To: Greg Kroah-Hartman , Douglas Anderson Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Sandy Huang , =?UTF-8?q?Heiko=20St=C3=BCbner?= , Daniel Vetter , "Rafael J. Wysocki" , Rob Clark , Russell King , Saravana Kannan Subject: [PATCH v6 20/35] drm/rockchip: Migrate to aggregate driver Date: Thu, 27 Jan 2022 12:01:26 -0800 Message-Id: <20220127200141.1295328-21-swboyd@chromium.org> X-Mailer: git-send-email 2.35.0.rc0.227.g00780c9af4-goog In-Reply-To: <20220127200141.1295328-1-swboyd@chromium.org> References: <20220127200141.1295328-1-swboyd@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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: Sandy Huang Cc: "Heiko Stübner" Cc: Daniel Vetter Cc: "Rafael J. Wysocki" Cc: Rob Clark Cc: Russell King Cc: Saravana Kannan Signed-off-by: Stephen Boyd --- drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index bec207de4544..6a6ed293d7a0 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -108,8 +108,9 @@ static void rockchip_iommu_cleanup(struct drm_device *drm_dev) iommu_domain_free(private->domain); } -static int rockchip_drm_bind(struct device *dev) +static int rockchip_drm_bind(struct aggregate_device *adev) { + struct device *dev = aggregate_device_parent(adev); struct drm_device *drm_dev; struct rockchip_drm_private *private; int ret; @@ -179,8 +180,9 @@ static int rockchip_drm_bind(struct device *dev) return ret; } -static void rockchip_drm_unbind(struct device *dev) +static void rockchip_drm_unbind(struct aggregate_device *adev) { + struct device *dev = aggregate_device_parent(adev); struct drm_device *drm_dev = dev_get_drvdata(dev); drm_dev_unregister(drm_dev); @@ -331,9 +333,13 @@ static struct component_match *rockchip_drm_match_add(struct device *dev) return match ?: ERR_PTR(-ENODEV); } -static const struct component_master_ops rockchip_drm_ops = { - .bind = rockchip_drm_bind, - .unbind = rockchip_drm_unbind, +static struct aggregate_driver rockchip_aggregate_driver = { + .probe = rockchip_drm_bind, + .remove = rockchip_drm_unbind, + .driver = { + .name = "rockchip_drm", + .owner = THIS_MODULE, + }, }; static int rockchip_drm_platform_of_probe(struct device *dev) @@ -404,7 +410,7 @@ static int rockchip_drm_platform_probe(struct platform_device *pdev) if (IS_ERR(match)) return PTR_ERR(match); - ret = component_master_add_with_match(dev, &rockchip_drm_ops, match); + ret = component_aggregate_register(dev, &rockchip_aggregate_driver, match); if (ret < 0) { rockchip_drm_match_remove(dev); return ret; @@ -415,7 +421,7 @@ static int rockchip_drm_platform_probe(struct platform_device *pdev) static int rockchip_drm_platform_remove(struct platform_device *pdev) { - component_master_del(&pdev->dev, &rockchip_drm_ops); + component_aggregate_unregister(&pdev->dev, &rockchip_aggregate_driver); rockchip_drm_match_remove(&pdev->dev); -- https://chromeos.dev