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 X-Spam-Level: X-Spam-Status: No, score=-19.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BAE3C4320A for ; Wed, 25 Aug 2021 06:34:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6382A613AB for ; Wed, 25 Aug 2021 06:34:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239156AbhHYGf1 (ORCPT ); Wed, 25 Aug 2021 02:35:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239200AbhHYGfS (ORCPT ); Wed, 25 Aug 2021 02:35:18 -0400 Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D800C0613CF for ; Tue, 24 Aug 2021 23:34:33 -0700 (PDT) Received: by mail-pg1-x534.google.com with SMTP id x4so22085882pgh.1 for ; Tue, 24 Aug 2021 23:34:33 -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=fzlvJ2pAHb+sQ8dhm6xnHR8froez4GvdycGHyMNLelc=; b=F5WiZhJXhxWF/mbzczkd9cNjwJ7S8d9ymOQjMsx98QRxA/cRwjk7CT7VlyyPZ8SMhW 6da0jFGq6g5+LO8kceKVimbN5cE10MTXCRR9QGTyuWnBhktP6IxBUmeDLqAnLqM7WKDK BDkqDUPZIyf2oas8jRvXhgZerNuyKQV0G0uSg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=fzlvJ2pAHb+sQ8dhm6xnHR8froez4GvdycGHyMNLelc=; b=f++rD5fLOBLnFRpgCNlDN8gkSzW+nmVEJWrkG3KuRY99rZOU+GR7vCvrCdmFwho8LI Gk+Yjz5Qc+Ll/K3qKs9Z9l9SixER/hWC3MP0pcYc4qSCMuxaE6PQLWIbVe6laVbDnhd1 uUnbxSqlYXTtT41d71cSGsoqEnErDZZfY7Q4alZKD+8rZNTgpqThoNxH2Tx5cmKdG7Vz EmjOzgr1i+EEuL+87C71TPCP1Hx14SWS03MYAnvKlazpFzdyFeniLCxqHfOT/qH/w4lX fJU+l2eeaQe5LJEY36y0dtK4ttoYj/Fnyh0dzg8TeikU+upTmCD3jjn9YD3qlsqtjeOG a1SQ== X-Gm-Message-State: AOAM533OhK9skwaHW+xzGkj1/3hEhovAAQ1zHff6dvaW2jmODJVOLCh0 4opITYjfg6z4BCKdrQLQdeL2ZP+ZsWkksg== X-Google-Smtp-Source: ABdhPJx2TfFNIn39qLNwd5ZRKN9W2+I5qUl2jnGzviCUVZz+vZQt1XYHenjGJ99AZJTmbQntBR4yZA== X-Received: by 2002:a63:4206:: with SMTP id p6mr32630642pga.449.1629873272423; Tue, 24 Aug 2021 23:34:32 -0700 (PDT) Received: from localhost ([2401:fa00:9:14:3f2f:9e23:8a5:952]) by smtp.gmail.com with UTF8SMTPSA id b10sm21105718pfi.122.2021.08.24.23.34.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Aug 2021 23:34:32 -0700 (PDT) From: Eizan Miyamoto To: linux-kernel@vger.kernel.org Cc: chunkuang.hu@kernel.org, yong.wu@mediatek.com, wenst@chromium.org, ck.hu@mediatek.com, houlong.wei@mediatek.com, enric.balletbo@collabora.com, yongqiang.niu@mediatek.com, Eizan Miyamoto , Matthias Brugger , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v7 6/7] soc: mediatek: mmsys: instantiate mdp virtual device from mmsys Date: Wed, 25 Aug 2021 16:33:22 +1000 Message-Id: <20210825163247.v7.6.Ie4214d2cc73ab276dd7c41d4f63c98e011fb42d4@changeid> X-Mailer: git-send-email 2.33.0.rc2.250.ged5fa647cd-goog In-Reply-To: <20210825063323.3607738-1-eizan@chromium.org> References: <20210825063323.3607738-1-eizan@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A virtual device that is probed by the mtk_mdp_core driver is instantiated by the mtk_mmsys driver. This better reflects the logical organization of the hardware and driver: there are a number of hardware blocks that are used by the MDP that have no strict hierarchy, and the software driver is responsible for driving them properly. Signed-off-by: Eizan Miyamoto Reviewed-by: Enric Balletbo i Serra Reviewed-by: Houlong Wei --- (no changes since v1) drivers/soc/mediatek/mtk-mmsys.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index 080660ef11bf..e681029fe804 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -97,6 +97,7 @@ static int mtk_mmsys_probe(struct platform_device *pdev) struct platform_device *clks; struct platform_device *drm; struct mtk_mmsys *mmsys; + struct platform_device *mdp; int ret; mmsys = devm_kzalloc(dev, sizeof(*mmsys), GFP_KERNEL); @@ -122,10 +123,27 @@ static int mtk_mmsys_probe(struct platform_device *pdev) PLATFORM_DEVID_AUTO, NULL, 0); if (IS_ERR(drm)) { platform_device_unregister(clks); - return PTR_ERR(drm); + ret = PTR_ERR(drm); + goto err_drm; + } + + mdp = platform_device_register_data(&pdev->dev, "mtk-mdp", + PLATFORM_DEVID_AUTO, NULL, 0); + if (IS_ERR(mdp)) { + ret = PTR_ERR(mdp); + dev_err(dev, "Failed to register mdp: %d\n", ret); + goto err_mdp; } return 0; + +err_mdp: + platform_device_unregister(drm); + +err_drm: + platform_device_unregister(clks); + + return ret; } static const struct of_device_id of_match_mtk_mmsys[] = { -- 2.33.0.rc2.250.ged5fa647cd-goog