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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 1C7B8C282CB for ; Sat, 9 Feb 2019 18:48:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D3E6A2192C for ; Sat, 9 Feb 2019 18:48:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549738122; bh=Qd1fahdPosSnEjFOXf+YPh97rzaC+Gmq1JYOnuqchKk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=MkQtUH/puqJb25RJoFhI57Rp4njPOjPk4vtMIuz5QcClxvrd72IqWzPqcKsiTgj// YBhyLkk1BzAD7sS0IfJsTkrLd/ZoBjI3i9Eq0hKYTqqrZVypZQ1oUO9g0HgGV75GUv lVl0JRl/vmSJEdlbVHfw8H+dZ7o1RX9e7ao1t1LY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727777AbfBISsh (ORCPT ); Sat, 9 Feb 2019 13:48:37 -0500 Received: from mail.kernel.org ([198.145.29.99]:33346 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727648AbfBISs2 (ORCPT ); Sat, 9 Feb 2019 13:48:28 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8779021919; Sat, 9 Feb 2019 18:48:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549738107; bh=Qd1fahdPosSnEjFOXf+YPh97rzaC+Gmq1JYOnuqchKk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Gmoidy/sAomMwNbNdl9mvKVp2ABT2YalcnB2lbt4X8Huyka/U7kwfSzgwEmDqie4/ WVjwnAXQ2B2gLRmCgtVh2+luIUOR1YtCeUzGIy9gtYIY6e/Gft7grRD1HtJULAWuYG 5V6K5Pta+mIajiVoBoa9kvEvFMJe/8+It6usUP5M= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Takashi Iwai , Ben Skeggs , Sasha Levin , dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.20 36/42] drm/nouveau: Don't disable polling in fallback mode Date: Sat, 9 Feb 2019 13:47:28 -0500 Message-Id: <20190209184734.125935-36-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190209184734.125935-1-sashal@kernel.org> References: <20190209184734.125935-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Takashi Iwai [ Upstream commit 118780066e30c34de3d9349710b51780bfa0ba83 ] When a fan is controlled via linear fallback without cstate, we shouldn't stop polling. Otherwise it won't be adjusted again and keeps running at an initial crazy pace. Fixes: 800efb4c2857 ("drm/nouveau/drm/therm/fan: add a fallback if no fan control is specified in the vbios") Bugzilla: https://bugzilla.suse.com/show_bug.cgi?id=1103356 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107447 Reported-by: Thomas Blume Signed-off-by: Takashi Iwai Reviewed-by: Martin Peres Signed-off-by: Ben Skeggs Signed-off-by: Sasha Levin --- drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c index 3695cde669f8..07914e36939e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c @@ -132,11 +132,12 @@ nvkm_therm_update(struct nvkm_therm *therm, int mode) duty = nvkm_therm_update_linear(therm); break; case NVBIOS_THERM_FAN_OTHER: - if (therm->cstate) + if (therm->cstate) { duty = therm->cstate; - else + poll = false; + } else { duty = nvkm_therm_update_linear_fallback(therm); - poll = false; + } break; } immd = false; -- 2.19.1