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=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 8962FC2D0A3 for ; Tue, 3 Nov 2020 21:01:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54DC7223C7 for ; Tue, 3 Nov 2020 21:01:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604437268; bh=lJeRMCkIRcz3i9nwWd+8+1OYpqXt56mFFfYdAEIWhBc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=uyr+usp0P9PI2ekoT8UsfKwATa3vh0RvKFHtXyYDVxZxKdQjwzMJShXAfpnG9/D8n Rlzr1aNh+51PFFTIGwJsaXqGx6AIiWdl9QyzwLBsKkesTH3Fqx1guP9HWw7SDobCKE Z95vzEjeblzxi4Lc3JNoUvHuc6einzxUznjcd22w= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387419AbgKCVBH (ORCPT ); Tue, 3 Nov 2020 16:01:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:37396 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387414AbgKCVBG (ORCPT ); Tue, 3 Nov 2020 16:01:06 -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 B5ACE21534; Tue, 3 Nov 2020 21:01:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604437266; bh=lJeRMCkIRcz3i9nwWd+8+1OYpqXt56mFFfYdAEIWhBc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BoRqwJQrNqZ7jgntNi8IJF1WcozbfE0rcUi+AVZLkPPBlgeSuPTpi1TNP/vsBsmGJ hHsCxzWRpClRRYoqqaz5x3ZNGYsgTkucKOhg8o7GTyW9zjQ9gJ3ncs/IL7cgi/SWqF 5f2aMTjqxPSYZwIPmLavhFQUrvBI4VUZea2Au1Lc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Evan Quan , Alex Deucher Subject: [PATCH 5.4 199/214] drm/amd/pm: increase mclk switch threshold to 200 us Date: Tue, 3 Nov 2020 21:37:27 +0100 Message-Id: <20201103203309.294852299@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201103203249.448706377@linuxfoundation.org> References: <20201103203249.448706377@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: stable@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 @@ -2864,7 +2864,7 @@ 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;