From patchwork Sat Apr 1 10:43:58 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffy Chen X-Patchwork-Id: 9657789 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2394C60351 for ; Sat, 1 Apr 2017 11:44:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F1EB728562 for ; Sat, 1 Apr 2017 11:44:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E64AF28618; Sat, 1 Apr 2017 11:44:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,URIBL_BLACK autolearn=no version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7BC9228562 for ; Sat, 1 Apr 2017 11:44:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=i6S2DRURzOFnXsrpImLzZpNqSF35A1F3GCin4sIM8dI=; b=gE+T/vT9kG6D4WsKwn9eDNwOKN BA8rAqljbWj1Wq6pPcVziSpAsMnltodJe06BEARrM6WFy0I1CxEPQDH+96kyGmcq2561yNPjbGDjQ 6eusG1yUDZxiCzJ0cAyfI16gWSCxyF2VI3d/PaH44Bb/xmhC+oKFenZbO/oHxcrNMkRUD4UJ18hFm dNBIlXbA+iVQ/Rktq/eNoA3m7KyAlpsTdFSoHzUbwDLTlqa8K41cAcSuOYM4h+zOJqJXotbPp8q7B uhnaCXflD/XcrG7RNxJbBeS62Q+t0k+I8AVfdFBziMGhRo6wt2k+XrpysbP7nb6ZWQRKbk/pyJCMN +B5pIYcQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cuHRs-00019f-Oo; Sat, 01 Apr 2017 11:44:04 +0000 Received: from merlin.infradead.org ([2001:4978:20e::2]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cuHRr-00019M-6F; Sat, 01 Apr 2017 11:44:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=cAkx42r/APQ1lkdvtzrF0gVncfMFhQFvsoxYJZuVBnI=; b=lGOsxcADLwtO7mA6oJGHxtq5C DE1T0JMVtJEmq/isqxzsqm5Opx75vemNWrOEnLbC+HXEk/4MJ/XLjMWsDFTm4LZzp1Yf5VkQUakeX gEDmU+/FBmdpSa9jPeMAhc8CwvBUU6L9sMzgoHkndwasopItpQntYGznkLWf65ScsCfvoppPTstlV HRsZC7sR0skleIFmjCdgZBW2hFjJmCxuFEvi871eGvmqHx8XSuWWN6FDM6IjW5O8C8altoMLkSL0K XqKnKGqwcKj78zRJjRPlCvv5NADCMrPUK9EnHAsCCdTqQUN6pEFe7ppqYBarX1yOlE0+R/SmBBuM+ VUB9WP08Q==; Received: from regular1.263xmail.com ([211.150.99.133]) by merlin.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cuGXK-0001Px-Jb; Sat, 01 Apr 2017 10:45:40 +0000 Received: from jeffy.chen?rock-chips.com (unknown [192.168.165.105]) by regular1.263xmail.com (Postfix) with ESMTP id CF4058F3A; Sat, 1 Apr 2017 18:45:06 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from smtp.263.net (va-smtp01.263.net [54.88.144.211]) by smtp.263.net (Postfix) with ESMTP id AFD6D42C; Sat, 1 Apr 2017 18:45:05 +0800 (CST) Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 592AC9F609; Sat, 1 Apr 2017 18:44:57 +0800 (CST) X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: cjf@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 2412900B4HK; Sat, 01 Apr 2017 18:45:01 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org Subject: [PATCH 5/9] drm/rockchip: vop: Enable pm domain when resetting vop Date: Sat, 1 Apr 2017 18:43:58 +0800 Message-Id: <1491043442-20626-6-git-send-email-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1491043442-20626-1-git-send-email-jeffy.chen@rock-chips.com> References: <1491043442-20626-1-git-send-email-jeffy.chen@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170401_064539_138755_A329909C X-CRM114-Status: UNSURE ( 8.48 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jeffy Chen , Heiko Stuebner , David Airlie , briannorris@chromium.org, dianders@chromium.org, dri-devel@lists.freedesktop.org, tfiga@chromium.org, linux-rockchip@lists.infradead.org, seanpaul@chromium.org, zyw@rock-chips.com, linux-arm-kernel@lists.infradead.org, mark.yao@rock-chips.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Jeffy Chen --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 31 +++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 76c79ac..1d85319 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1365,6 +1365,12 @@ static int vop_initial(struct vop *vop) return ret; } + ret = pm_runtime_get_sync(vop->dev); + if (ret < 0) { + dev_err(vop->dev, "failed to get pm runtime: %d\n", ret); + goto err_put_pm_runtime; + } + /* Enable both the hclk and aclk to setup the vop */ ret = clk_prepare_enable(vop->hclk); if (ret < 0) { @@ -1422,6 +1428,8 @@ static int vop_initial(struct vop *vop) vop->is_enabled = false; + pm_runtime_put_sync(vop->dev); + return 0; err_disable_aclk: @@ -1430,6 +1438,8 @@ static int vop_initial(struct vop *vop) clk_disable_unprepare(vop->hclk); err_unprepare_dclk: clk_unprepare(vop->dclk); +err_put_pm_runtime: + pm_runtime_put_sync(vop->dev); return ret; } @@ -1530,12 +1540,6 @@ static int vop_bind(struct device *dev, struct device *master, void *data) if (!vop->regsbak) return -ENOMEM; - ret = vop_initial(vop); - if (ret < 0) { - dev_err(&pdev->dev, "cannot initial vop dev - err %d\n", ret); - return ret; - } - irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(dev, "cannot find irq for vop\n"); @@ -1556,15 +1560,22 @@ static int vop_bind(struct device *dev, struct device *master, void *data) /* IRQ is initially disabled; it gets enabled in power_on */ disable_irq(vop->irq); + pm_runtime_enable(&pdev->dev); + + ret = vop_initial(vop); + if (ret < 0) { + dev_err(&pdev->dev, "cannot initial vop dev - err %d\n", ret); + goto err_disable_pm_runtime; + } + ret = vop_create_crtc(vop); if (ret) - goto err_enable_irq; - - pm_runtime_enable(&pdev->dev); + goto err_disable_pm_runtime; return 0; -err_enable_irq: +err_disable_pm_runtime: + pm_runtime_disable(&pdev->dev); enable_irq(vop->irq); /* To balance out the disable_irq above */ return ret; }