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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 834EEC433E7 for ; Fri, 16 Oct 2020 15:43:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3525820848 for ; Fri, 16 Oct 2020 15:43:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2410107AbgJPPn3 (ORCPT ); Fri, 16 Oct 2020 11:43:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2408621AbgJPPn3 (ORCPT ); Fri, 16 Oct 2020 11:43:29 -0400 X-Greylist: delayed 1141 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Fri, 16 Oct 2020 08:43:29 PDT Received: from manul.sfritsch.de (manul.sfritsch.de [IPv6:2a01:4f8:172:195f:112::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BFCEC061755 for ; Fri, 16 Oct 2020 08:43:29 -0700 (PDT) From: Stefan Fritsch To: intel-gfx@lists.freedesktop.org Cc: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Stefan Fritsch , stable@vger.kernel.org Subject: [PATCH] drm/i915: Rate limit 'Fault errors' message Date: Fri, 16 Oct 2020 17:23:40 +0200 Message-Id: <20201016152340.15906-1-sf@sfritsch.de> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org If linux is running as a guest and the host is doing igd pass-through with VT-d enabled, this message is logged dozens of times per second. Cc: stable@vger.kernel.org Signed-off-by: Stefan Fritsch --- The i915 driver should also detect VT-d in this case, but that is a different issue. I have sent a separate mail with subject 'Detecting Vt-d when running as guest os'. drivers/gpu/drm/i915/i915_irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 759f523c6a6b..29096634e697 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2337,7 +2337,7 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) fault_errors = iir & gen8_de_pipe_fault_mask(dev_priv); if (fault_errors) - drm_err(&dev_priv->drm, + drm_err_ratelimited(&dev_priv->drm, "Fault errors on pipe %c: 0x%08x\n", pipe_name(pipe), fault_errors); -- 2.28.0