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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 033D6C433E2 for ; Mon, 18 May 2020 18:13:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D935B20829 for ; Mon, 18 May 2020 18:13:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589825590; bh=MDZdmsagPKCRha5QAA/DRBmtg2TCG7A+Bwmwop+1W9Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=uWSAnVmh4VJXq929FVviG04K3Yry0RzYuFKjCsCsEt06nC2zDjxXWzEaKY4cPO3io qhGry0FcMSYgqzr4TDjURoER8pRKO1BKK68bmlSmHG5W1+V5ptYIJmDLNlG/HxxOOL FqkM9uVDy5bRQ62YaguymXvoKZGY21ovwXF+dSKs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732511AbgERSCZ (ORCPT ); Mon, 18 May 2020 14:02:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:45964 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732495AbgERSCT (ORCPT ); Mon, 18 May 2020 14:02:19 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.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 BB4DE20DD4; Mon, 18 May 2020 18:02:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589824939; bh=MDZdmsagPKCRha5QAA/DRBmtg2TCG7A+Bwmwop+1W9Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Tjl30mGqujP85H1j31cHr3i2XbpLvq5uQrsxRQjcxvdRszrRduqeiTWXy2GpNTMAE 1HlGvz5GFkTciMZrv4Ln1b+ElzUu9gmuAb75lmy40E+1BRuJFhPF1NXsQnZajM/hVJ OOoQ3aqIGhq1IYkEgRAnE8072TUVvvHBYyp+xhq0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sung Lee , Yongqiang Sun , Aurabindo Pillai , Alex Deucher , Sasha Levin Subject: [PATCH 5.6 064/194] drm/amd/display: Update downspread percent to match spreadsheet for DCN2.1 Date: Mon, 18 May 2020 19:35:54 +0200 Message-Id: <20200518173537.046755931@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200518173531.455604187@linuxfoundation.org> References: <20200518173531.455604187@linuxfoundation.org> User-Agent: quilt/0.66 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 From: Sung Lee [ Upstream commit 668a6741f809f2d15d125cfe2b39661e8f1655ea ] [WHY] The downspread percentage was copied over from a previous version of the display_mode_lib spreadsheet. This value has been updated, and the previous value is too high to allow for such modes as 4K120hz. The new value is sufficient for such modes. [HOW] Update the value in dcn21_resource to match the spreadsheet. Signed-off-by: Sung Lee Reviewed-by: Yongqiang Sun Acked-by: Aurabindo Pillai Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c index 33d0a176841a5..122d3e734c59a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c @@ -250,7 +250,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_1_soc = { .dram_channel_width_bytes = 4, .fabric_datapath_to_dcn_data_return_bytes = 32, .dcn_downspread_percent = 0.5, - .downspread_percent = 0.5, + .downspread_percent = 0.38, .dram_page_open_time_ns = 50.0, .dram_rw_turnaround_time_ns = 17.5, .dram_return_buffer_per_channel_bytes = 8192, -- 2.20.1