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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCD56C433EF for ; Mon, 1 Nov 2021 09:43:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C448160EBC for ; Mon, 1 Nov 2021 09:43:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234475AbhKAJpc (ORCPT ); Mon, 1 Nov 2021 05:45:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:48004 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234073AbhKAJoD (ORCPT ); Mon, 1 Nov 2021 05:44:03 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 59725613AB; Mon, 1 Nov 2021 09:29:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1635758956; bh=RmgLSzd5z0bUGJsedzcOVjdV9/m3Yv1GbbKzfCaS6a4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hBlOZ1u9J3MUt2nrrnn3fCLpTz8nUzJ+d9UNK+7quITnZHPT+7gGofN0LK285XsVk cuIEdRxveA5l6TNlcPOm8OPrXFRqrAaCDwUG7vycoMidn3oiILvzkx/1qiBfu2cn9H 9KnZ32QLTJzyxH2grdqGUb7jUGjeRHDLAl1EyZQ8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ahmad Othman , Agustin Gutierrez Sanchez , Nikola Cornij , Daniel Wheeler , Alex Deucher Subject: [PATCH 5.14 053/125] drm/amd/display: Increase watermark latencies for DCN3.1 Date: Mon, 1 Nov 2021 10:17:06 +0100 Message-Id: <20211101082543.204059478@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211101082533.618411490@linuxfoundation.org> References: <20211101082533.618411490@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: Nikola Cornij commit dd8cb18906d97b2916fde42d32d915ae363c7e55 upstream. [why] The original latencies were causing underflow in some modes [how] Replace with the up-to-date watermark values based on new measurments Reviewed-by: Ahmad Othman Acked-by: Agustin Gutierrez Sanchez Signed-off-by: Nikola Cornij Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c | 16 +++++------ 1 file changed, 8 insertions(+), 8 deletions(-) --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c @@ -366,32 +366,32 @@ static struct wm_table lpddr5_wm_table = .wm_inst = WM_A, .wm_type = WM_TYPE_PSTATE_CHG, .pstate_latency_us = 11.65333, - .sr_exit_time_us = 5.32, - .sr_enter_plus_exit_time_us = 6.38, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, .valid = true, }, { .wm_inst = WM_B, .wm_type = WM_TYPE_PSTATE_CHG, .pstate_latency_us = 11.65333, - .sr_exit_time_us = 9.82, - .sr_enter_plus_exit_time_us = 11.196, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, .valid = true, }, { .wm_inst = WM_C, .wm_type = WM_TYPE_PSTATE_CHG, .pstate_latency_us = 11.65333, - .sr_exit_time_us = 9.89, - .sr_enter_plus_exit_time_us = 11.24, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, .valid = true, }, { .wm_inst = WM_D, .wm_type = WM_TYPE_PSTATE_CHG, .pstate_latency_us = 11.65333, - .sr_exit_time_us = 9.748, - .sr_enter_plus_exit_time_us = 11.102, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, .valid = true, }, }