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=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 519A3C388F7 for ; Tue, 3 Nov 2020 20:51:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A0D32071E for ; Tue, 3 Nov 2020 20:51:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604436687; bh=H+tMIB1mVm+VoOgD6+ybEd6qyTtwzC8e6OO9CNngo30=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=WIlkdySmBmFdo0wDDComDL1mrNUBHV+HlwOVYadCXOi5zNdvCGB77ynF9DrwaAGQH KSEFuP8s5Vs9ksBIoOVamZsL0UDr8wl+pZhauo31jgQxxnfHhfSRnyYDxrMEOPu3DJ 3R4bBPEW7ET24a/YSx5Y9fgipW0ZOlUXHtDPmiIQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731963AbgKCUvZ (ORCPT ); Tue, 3 Nov 2020 15:51:25 -0500 Received: from mail.kernel.org ([198.145.29.99]:46362 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731947AbgKCUvV (ORCPT ); Tue, 3 Nov 2020 15:51:21 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 5D8182053B; Tue, 3 Nov 2020 20:51:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604436680; bh=H+tMIB1mVm+VoOgD6+ybEd6qyTtwzC8e6OO9CNngo30=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=waeSFoUfrYjEEkmkXg9aAx9KezIFQjv7fCB85cmOwtReKvc36SkCYsjzj2TJq/sRk xofEJfBMLtHg7uZObEbGEx/AGGqq9eXezmg1OHDPVExRA0BjuVh8uxn54Xd1oVvM4+ jcm2BSh8hqk8rReOohIaL536ZhReNc9AtP+Bm2bQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Evan Quan , Alex Deucher Subject: [PATCH 5.9 357/391] drm/amd/pm: increase mclk switch threshold to 200 us Date: Tue, 3 Nov 2020 21:36:48 +0100 Message-Id: <20201103203411.224239015@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201103203348.153465465@linuxfoundation.org> References: <20201103203348.153465465@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Evan Quan commit 83da6eea3af669ee0b1f1bc05ffd6150af984994 upstream. To avoid underflow seen on Polaris10 with some 3440x1440 144Hz displays. As the threshold of 190 us cuts too close to minVBlankTime of 192 us. Signed-off-by: Evan Quan Acked-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -2873,7 +2873,7 @@ static int smu7_vblank_too_short(struct if (hwmgr->is_kicker) switch_limit_us = data->is_memory_gddr5 ? 450 : 150; else - switch_limit_us = data->is_memory_gddr5 ? 190 : 150; + switch_limit_us = data->is_memory_gddr5 ? 200 : 150; break; case CHIP_VEGAM: switch_limit_us = 30;