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=-6.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 7A7A0C07E85 for ; Tue, 11 Dec 2018 15:58:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 363F620855 for ; Tue, 11 Dec 2018 15:58:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544543892; bh=+0HtX0GbHQWb0WWSotDtcHQirDYVF19UcoJtafFoTZA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FjLTf6BZutO70FaG9oiGjx8QFRaQKHnZqkaM8OjRr/CiIjkd18uiThlVlhIA29Yd2 1tk5qop4JLJsuNLV9BF7+HLuN5mz/CnHSo6Ey/KQrtUw27DUwmR0Oml8fNPHS8l3F0 ZKS6QVsdVYLWvMDbFkWLqW6UisE5FZhVIV47YP88= DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 363F620855 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730978AbeLKP6L (ORCPT ); Tue, 11 Dec 2018 10:58:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:47272 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730960AbeLKP6H (ORCPT ); Tue, 11 Dec 2018 10:58:07 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 61EB9205C9; Tue, 11 Dec 2018 15:58:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544543886; bh=+0HtX0GbHQWb0WWSotDtcHQirDYVF19UcoJtafFoTZA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=A7h7DM0LPUYoIrBwc96q4Q8OBMIYMWdzaMZVOySth3fCHlxImWvQsiae65G6zUr83 gQCxSZGGXT1DeKPYgzN6wA83RZaONTdT04JafvZF80d42H7erT+lKKQDkJiLMbu5j8 ByDgc22hgHJWYSITFVyk30SNuZjD+ufuDXkW6Cb8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chris Wilson , Maarten Lankhorst , Ville Syrjala Subject: [PATCH 4.19 102/118] drm/i915: Downgrade Gen9 Plane WM latency error Date: Tue, 11 Dec 2018 16:42:01 +0100 Message-Id: <20181211151648.388522822@linuxfoundation.org> X-Mailer: git-send-email 2.20.0 In-Reply-To: <20181211151644.216668863@linuxfoundation.org> References: <20181211151644.216668863@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chris Wilson commit 86c1c87d0e6241cbe35bd52badfc84b154e1b959 upstream. According to intel_read_wm_latency() it is perfectly legal for one WM and all subsequent levels to be 0 (and the deeper powersaving states disabled), so don't shout *ERROR*, over and over again. Signed-off-by: Chris Wilson Cc: Maarten Lankhorst Cc: Ville Syrjala Acked-by: Maarten Lankhorst Link: https://patchwork.freedesktop.org/patch/msgid/20180726161527.10516-1-chris@chris-wilson.co.uk Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/intel_pm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2951,8 +2951,8 @@ static void intel_print_wm_latency(struc unsigned int latency = wm[level]; if (latency == 0) { - DRM_ERROR("%s WM%d latency not provided\n", - name, level); + DRM_DEBUG_KMS("%s WM%d latency not provided\n", + name, level); continue; }