From patchwork Fri Oct 23 08:56:12 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 7470901 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 225649F71A for ; Fri, 23 Oct 2015 08:56:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 43194206C7 for ; Fri, 23 Oct 2015 08:56:25 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 655EF2074A for ; Fri, 23 Oct 2015 08:56:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C5FC66E52B; Fri, 23 Oct 2015 01:56:23 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-wi0-f169.google.com (mail-wi0-f169.google.com [209.85.212.169]) by gabe.freedesktop.org (Postfix) with ESMTPS id D4F926E2C0 for ; Fri, 23 Oct 2015 01:56:21 -0700 (PDT) Received: by wicll6 with SMTP id ll6so21913880wic.1 for ; Fri, 23 Oct 2015 01:56:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=NmJhWJhJKWHKTykIbxal90z8kKSI0DVSPQUAobKTFyw=; b=Pwrcy+NpazZ+kX27t0xOwtXDCWJvTTXJg9JbnIzydHlxq1tHaAQnn0OgLgdqhp1Y20 zKwzv5J/HDCgGSOswIXnIipkT5RVVButgC6eitOa7J7sGdeOApyRIBSSSQPzspYZ/EoW /WWUQNi8agnd/hVJ2Z2V6OhfwZYQSuD32UHcI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=NmJhWJhJKWHKTykIbxal90z8kKSI0DVSPQUAobKTFyw=; b=lsZ/zCVwXGbQxPB/njK74f8CnUk7+uBjtfSPQzxH9F4L9MvRaeLKxRrgE20q/oAS+d f4u9e/NqymdmuMH9YWq5rZStjtI/IqkqTcqYnAUv1wE7HEjl1ck5YMsvaXa178uRWJbl h66C3m2pfb/jP08H/1g+iZTRpR80e4Wffe/BZmEA9o11qFy/br//1hnv+rfA8K6ffSEj 2uLLWcrdwaUhfpUqZtig+Ph/VAI0ge6jZad3UqVgEr41ZjxtOaRUg0Cdb+5JP9rFmwJn qRPzuDBKtZxUsSW+E4d3t1FgJ2b1XUYya4Pg2zURH/RFMAok4MuMjB4Iz8+GKS8wJhQJ Rcng== X-Gm-Message-State: ALoCoQmm/T9QU2/lvaJozLO4ZkY4omSKZRTmaT+L1mL78tYqltjMIdxgY28sHlSVjMUrjoqnCrP+ X-Received: by 10.194.62.112 with SMTP id x16mr26275073wjr.132.1445590580174; Fri, 23 Oct 2015 01:56:20 -0700 (PDT) Received: from phenom.ffwll.local (212-51-149-109.fiber7.init7.net. [212.51.149.109]) by smtp.gmail.com with ESMTPSA id ds10sm2137484wib.24.2015.10.23.01.56.19 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 23 Oct 2015 01:56:19 -0700 (PDT) From: Daniel Vetter To: Intel Graphics Development Date: Fri, 23 Oct 2015 10:56:12 +0200 Message-Id: <1445590572-23631-2-git-send-email-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.5.1 In-Reply-To: <1445590572-23631-1-git-send-email-daniel.vetter@ffwll.ch> References: <1445590572-23631-1-git-send-email-daniel.vetter@ffwll.ch> Cc: Daniel Vetter , Daniel Vetter Subject: [Intel-gfx] [PATCH 2/2] drm/i915: shut up gen8+ SDE irq dmesg noise X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,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 We get tons of cases where the master interrupt handler apparently set a bit, with the SDEIIR agreeing. No idea what's going on there, but it's consistent on gen8+, no one seems to care about it and it's making CI results flaky. Shut it up. No idea what's going on here, but we've had fun with PCH interrupts before: commit 44498aea293b37af1d463acd9658cdce1ecdf427 Author: Paulo Zanoni Date: Fri Feb 22 17:05:28 2013 -0300 drm/i915: also disable south interrupts when handling them Cc: Paulo Zanoni Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_irq.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 9caf22caed89..a614e89fc934 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2353,9 +2353,13 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) spt_irq_handler(dev, pch_iir); else cpt_irq_handler(dev, pch_iir); - } else - DRM_ERROR("The master control interrupt lied (SDE)!\n"); - + } else { + /* + * Like on previous PCH there seems to be something + * fishy going on with forwarding PCH interrupts. + */ + DRM_DEBUG_DRIVER("The master control interrupt lied (SDE)!\n"); + } } I915_WRITE_FW(GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL);