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=-14.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 5DA46C43468 for ; Mon, 21 Sep 2020 14:43:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22DB7221EC for ; Mon, 21 Sep 2020 14:43:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600699410; bh=f3aX4MYAfIoQ64soJl850blFbIAJIx72ZTd4aLXAsUs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=n8NJ8zJpxQfYodoumUkhg9dIkcxG3L5amGI6EjPPWx9RvpTmQRMJLpJYcb4dkVkju +YxYFdfzs9lfvF4vjvfiq5j/H5hKv9A7KNSIqSX7Y+BN1/M3d+HzkBfbLgHVUPMXKX n1sK26u4cDknEQW2oEKolzJ/ubQrTJC3N731YuNk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728246AbgIUOn2 (ORCPT ); Mon, 21 Sep 2020 10:43:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:49442 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727871AbgIUOkq (ORCPT ); Mon, 21 Sep 2020 10:40:46 -0400 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 0EAA423600; Mon, 21 Sep 2020 14:40:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600699245; bh=f3aX4MYAfIoQ64soJl850blFbIAJIx72ZTd4aLXAsUs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XYU4jWTzPTPNsSvtKS550TDxg4aWtnYR1yJgBhh0EekYikv01rqbOyB94Zabn1q+b EXfHGH6P1STINByIhaBy8uvMqm3smYGEZYUAIJj6SCMe/7ucjwxDZGUMM1MUKCQNto nXYU3JwZ9ISWTxKP9R7ecbX53rWWc8oSufgV13qQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jun Lei , Aurabindo Pillai , Alex Deucher , Sasha Levin , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.8 14/20] drm/amd/display: update nv1x stutter latencies Date: Mon, 21 Sep 2020 10:40:21 -0400 Message-Id: <20200921144027.2135390-14-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200921144027.2135390-1-sashal@kernel.org> References: <20200921144027.2135390-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jun Lei [ Upstream commit c4790a8894232f39c25c7c546c06efe074e63384 ] [why] Recent characterization shows increased stutter latencies on some SKUs, leading to underflow. [how] Update SOC params to account for this worst case latency. Signed-off-by: Jun Lei Acked-by: Aurabindo Pillai Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 2d9055eb3ce92..20bdabebbc434 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -409,8 +409,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_0_nv14_soc = { }, }, .num_states = 5, - .sr_exit_time_us = 8.6, - .sr_enter_plus_exit_time_us = 10.9, + .sr_exit_time_us = 11.6, + .sr_enter_plus_exit_time_us = 13.9, .urgent_latency_us = 4.0, .urgent_latency_pixel_data_only_us = 4.0, .urgent_latency_pixel_mixed_with_vm_data_us = 4.0, -- 2.25.1