From patchwork Wed May 27 03:20:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Alex Deucher X-Patchwork-Id: 6487131 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 59192C0020 for ; Wed, 27 May 2015 03:21:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 966D9206FF for ; Wed, 27 May 2015 03:21:50 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id B3E86206FC for ; Wed, 27 May 2015 03:21:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C77BD72106; Tue, 26 May 2015 20:21:48 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-qg0-f53.google.com (mail-qg0-f53.google.com [209.85.192.53]) by gabe.freedesktop.org (Postfix) with ESMTP id B4C516E8D1 for ; Tue, 26 May 2015 20:20:59 -0700 (PDT) Received: by qgg60 with SMTP id 60so21214971qgg.2 for ; Tue, 26 May 2015 20:20:59 -0700 (PDT) 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 :mime-version:content-type:content-transfer-encoding; bh=HP54d31tJwJNBXi6BLahCDK4u5ijWa6hdeEtHW/q+8k=; b=hrDFWq2wNWEM98ud+yJ045BrTSoOXDsEooi0SL4B07oymxbU8MbC8MYTT671xGoZlL jg0xRNiX5H+ZQZf4KiW+NW3EAliB/TnoTTavhw6h/iPGF/4Kln4iJBFPp2mrFQ1Ke2vT u/YMng1RUDq4qCB4dZPQAmlR86e1VooO0DM8Z2e4F2DQGytnudsvdzGX23CB6hVeZqPc LsjFmzFbQ3gqECtEjRnlm6keav81NhzQ0pP0E7JFNGAnmj5R8PZw1n/WE9qjCD3+CRwe NjDd75CEbE5Y7tglH5dJHcycPwu9ERhf8QMpetIHADTzj4MzMwJgMouYQEjWkREnWRyt jDMA== X-Received: by 10.55.40.66 with SMTP id o63mr35932343qkh.47.1432696859453; Tue, 26 May 2015 20:20:59 -0700 (PDT) Received: from localhost.localdomain (static-74-96-105-49.washdc.fios.verizon.net. [74.96.105.49]) by mx.google.com with ESMTPSA id 20sm9629127qhf.14.2015.05.26.20.20.58 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 May 2015 20:20:59 -0700 (PDT) From: Alex Deucher X-Google-Original-From: Alex Deucher To: dri-devel@lists.freedesktop.org Subject: [PATCH 70/88] drm/amdgpu: take the mode_config mutex when handling hpds Date: Tue, 26 May 2015 23:20:09 -0400 Message-Id: <1432696827-3752-40-git-send-email-alexander.deucher@amd.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1432696827-3752-1-git-send-email-alexander.deucher@amd.com> References: <1432696827-3752-1-git-send-email-alexander.deucher@amd.com> MIME-Version: 1.0 Cc: Alex Deucher 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: , 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 Since we may modify display state. Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index 2187960..b4d36f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -59,10 +59,12 @@ static void amdgpu_hotplug_work_func(struct work_struct *work) struct drm_mode_config *mode_config = &dev->mode_config; struct drm_connector *connector; + mutex_lock(&mode_config->mutex); if (mode_config->num_connector) { list_for_each_entry(connector, &mode_config->connector_list, head) amdgpu_connector_hotplug(connector); } + mutex_unlock(&mode_config->mutex); /* Just fire off a uevent and let userspace tell us what to do */ drm_helper_hpd_irq_event(dev); }