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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73253C7EE25 for ; Mon, 12 Jun 2023 11:02:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236708AbjFLLCE (ORCPT ); Mon, 12 Jun 2023 07:02:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236292AbjFLLBi (ORCPT ); Mon, 12 Jun 2023 07:01:38 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D23A249EA for ; Mon, 12 Jun 2023 03:49:01 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4DFDB624D0 for ; Mon, 12 Jun 2023 10:49:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5FA55C433D2; Mon, 12 Jun 2023 10:49:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686566940; bh=2c5OzuTU4BorGtknvixVZrayK3gjQ1jc+jO6m5Ec02g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1KrIkADqNPEF61iXFfYLACitOoY7rSV7q3uG7m6oLA3dJVYhxr3FWMH0N+jGOVcac dzEhSo4HW60SJ0jZRQGp6uvYlbxb9uzsYoHz+OOrreR9KCvRe6D4Ucf66qqjdEgODN brmo2EvAKaXyMI8VLkRXom91nA1D+Y720sdTsa2w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mario Limonciello , Alex Deucher , Stylon Wang , Alvin Lee , Nevenko Stupar , Daniel Wheeler Subject: [PATCH 6.3 090/160] drm/amd/display: Reduce sdp bw after urgent to 90% Date: Mon, 12 Jun 2023 12:27:02 +0200 Message-ID: <20230612101719.133909983@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230612101715.129581706@linuxfoundation.org> References: <20230612101715.129581706@linuxfoundation.org> User-Agent: quilt/0.67 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: Alvin Lee commit e1a600208286c197c2696e51fc313e49889315bd upstream. [Description] Reduce expected SDP bandwidth due to poor QoS and arbitration issues on high bandwidth configs Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Acked-by: Stylon Wang Signed-off-by: Alvin Lee Reviewed-by: Nevenko Stupar Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -138,7 +138,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3 .urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096, .urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096, .urgent_out_of_order_return_per_channel_vm_only_bytes = 4096, - .pct_ideal_sdp_bw_after_urgent = 100.0, + .pct_ideal_sdp_bw_after_urgent = 90.0, .pct_ideal_fabric_bw_after_urgent = 67.0, .pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 20.0, .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, // N/A, for now keep as is until DML implemented