From patchwork Tue Jan 20 10:48:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 5667701 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7068CC058D for ; Tue, 20 Jan 2015 10:49:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A2036203AF for ; Tue, 20 Jan 2015 10:49:40 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 0A04820389 for ; Tue, 20 Jan 2015 10:49:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6BA436E632; Tue, 20 Jan 2015 02:49:37 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-we0-f176.google.com (mail-we0-f176.google.com [74.125.82.176]) by gabe.freedesktop.org (Postfix) with ESMTP id BC3CB6E62C for ; Tue, 20 Jan 2015 02:49:33 -0800 (PST) Received: by mail-we0-f176.google.com with SMTP id w62so9778563wes.7 for ; Tue, 20 Jan 2015 02:49:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=d8fYw+yF8c4ZzTL9+Jtke6oOapsCALUkR3TBe9X5QhI=; b=V8zMUMbAxuCMxy401y+gN+O76CW0yxa+8lvmPobhriPtPV/DbbNbj0+HESv3ay3nss el/NndXF2vnyrGQ4zfnm1xhzr5AaISXVH0RNt76mw7jLsmStFOxOTHxyEVcICV8GlslF GNGhmGisTvPK/Ws8H8wN/GInkWUB5W/0Jed1hgnh8jCnGid4+G2jFGCBd+ROArZcmsCP MaFMzElHDSgBBfvfjHOTfzlwqgB/GXlNo/2S/TK/+y61Uvl2IHFlmNW2u7ZdlNXlFi9p rK7f94X+PrgDbz+9jhr09Wtg+cH2rYF8WVKo6GF8mRhiW+sAYNzrCxjLVI8Pnedk0zK1 EssA== X-Received: by 10.180.73.143 with SMTP id l15mr44910785wiv.24.1421750973202; Tue, 20 Jan 2015 02:49:33 -0800 (PST) Received: from localhost (port-56157.pppoe.wtnet.de. [46.59.220.18]) by mx.google.com with ESMTPSA id gl1sm2509110wib.13.2015.01.20.02.49.32 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 20 Jan 2015 02:49:32 -0800 (PST) From: Thierry Reding To: dri-devel@lists.freedesktop.org Subject: [PATCH 21/36] drm/tegra: dc: Do not needlessly deassert reset Date: Tue, 20 Jan 2015 11:48:40 +0100 Message-Id: <1421750935-4023-22-git-send-email-thierry.reding@gmail.com> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1421750935-4023-1-git-send-email-thierry.reding@gmail.com> References: <1421750935-4023-1-git-send-email-thierry.reding@gmail.com> Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Thierry Reding Commit 9c0127004ff4 ("drm/tegra: dc: Add powergate support") changed the driver's ->probe() implementation to deassert the module reset, and with there being nobody else to assert it until ->remove() there is no need to deassert again later on. Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/dc.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 462945abded2..846daf48cf61 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1160,10 +1160,6 @@ static void tegra_crtc_prepare(struct drm_crtc *crtc) drm_crtc_vblank_off(crtc); - /* hardware initialization */ - reset_control_deassert(dc->rst); - usleep_range(10000, 20000); - if (dc->pipe) syncpt = SYNCPT_VBLANK1; else