From patchwork Thu Jan 27 20:01:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Boyd X-Patchwork-Id: 537141 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 85445C433F5 for ; Thu, 27 Jan 2022 20:02:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343855AbiA0UCe (ORCPT ); Thu, 27 Jan 2022 15:02:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343749AbiA0UCW (ORCPT ); Thu, 27 Jan 2022 15:02:22 -0500 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F5D5C061758 for ; Thu, 27 Jan 2022 12:02:18 -0800 (PST) Received: by mail-pj1-x1032.google.com with SMTP id my12-20020a17090b4c8c00b001b528ba1cd7so4148023pjb.1 for ; Thu, 27 Jan 2022 12:02:18 -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=tKM5wKimMvZrAKvGy1t7H+N3RMdb/rkm3Tm4lDXJEMA=; b=XUA+m1YsSZShroTZxfw39Qf7S7B1mW7M+xw0s6IqXclDbYYmVnWy+Ltexawu32I40i SZdmr0pz3HmsdbVQcfZ/V4B7woFqglI8B4G8TpywXFwHGjG3A3tCniZTF+Fg5dgU0QFM SRmxEWIy2hA9dTzCtAUaHb/6famrkeiHYK5WM= 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=tKM5wKimMvZrAKvGy1t7H+N3RMdb/rkm3Tm4lDXJEMA=; b=AdXONSh1+r2slYU08hOk0zNvXU505OXVrSjb1mUOBv+8J5Ohio3bAvfFpfuuDOiHFN SBP9EiBWSNdR5hvTAUFYDAo7JQ9taooYb3o7RMFmAEoCC9gwSgf7trE1QGzLxKJsLndv 58lJl6UJFhB2Z3iKWQ/ef7k22oPDYzAmhpeg3HieAMLfO7wzHAAry/knN1lUVw4aE18b LarfBRxcQrTFSpvWDK4kAmIOrIS0215gRvwHvwLM8h/tCMpyP+RXutSRf6y/UJVPoOIU CNobISiuuDDrqB3LVMjipDtpewcbuqXdNAlYRNycNwu/IXdIpXexjDZwzixTGZcSgvXc FIKA== X-Gm-Message-State: AOAM533B4wIWJOlXFcA4eBWsZj8+HykTjB43glfxrrU35LpHUjtMk0ZO gTX3ssDTjLsM2qHsDH25XTNt/Q== X-Google-Smtp-Source: ABdhPJzt+Sz+dY3sN15K0S3lh3rhsQZdiGkdCkL9I2zth8eNN++n1IHK4TSncBJrfWf1JT2jGXzfuA== X-Received: by 2002:a17:902:ed82:: with SMTP id e2mr5198385plj.55.1643313738116; Thu, 27 Jan 2022 12:02:18 -0800 (PST) Received: from smtp.gmail.com ([2620:15c:202:201:9246:1838:3243:3071]) by smtp.gmail.com with ESMTPSA id k21sm6561190pff.33.2022.01.27.12.02.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jan 2022 12:02:17 -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, Neil Armstrong , Daniel Vetter , "Rafael J. Wysocki" , Rob Clark , Russell King , Saravana Kannan Subject: [PATCH v6 18/35] drm/meson: Migrate to aggregate driver Date: Thu, 27 Jan 2022 12:01:24 -0800 Message-Id: <20220127200141.1295328-19-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 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: Neil Armstrong Cc: Daniel Vetter Cc: "Rafael J. Wysocki" Cc: Rob Clark Cc: Russell King Cc: Saravana Kannan Signed-off-by: Stephen Boyd --- drivers/gpu/drm/meson/meson_drv.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 80f1d439841a..2add29b347a8 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -361,13 +361,16 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) return ret; } -static int meson_drv_bind(struct device *dev) +static int meson_drv_bind(struct aggregate_device *adev) { + struct device *dev = aggregate_device_parent(adev); + return meson_drv_bind_master(dev, true); } -static void meson_drv_unbind(struct device *dev) +static void meson_drv_unbind(struct aggregate_device *adev) { + struct device *dev = aggregate_device_parent(adev); struct meson_drm *priv = dev_get_drvdata(dev); struct drm_device *drm = priv->drm; @@ -391,9 +394,13 @@ static void meson_drv_unbind(struct device *dev) } } -static const struct component_master_ops meson_drv_master_ops = { - .bind = meson_drv_bind, - .unbind = meson_drv_unbind, +static struct aggregate_driver meson_aggregate_drv = { + .probe = meson_drv_bind, + .remove = meson_drv_unbind, + .driver = { + .name = "meson_drm", + .owner = THIS_MODULE, + }, }; static int __maybe_unused meson_drv_pm_suspend(struct device *dev) @@ -487,9 +494,7 @@ static int meson_drv_probe(struct platform_device *pdev) if (count) { dev_info(&pdev->dev, "Queued %d outputs on vpu\n", count); - return component_master_add_with_match(&pdev->dev, - &meson_drv_master_ops, - match); + return component_aggregate_register(&pdev->dev, &meson_aggregate_drv, match); } /* If no output endpoints were available, simply bail out */