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 2466BC7EE25 for ; Mon, 12 Jun 2023 10:55:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236894AbjFLKz6 (ORCPT ); Mon, 12 Jun 2023 06:55:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236905AbjFLKzc (ORCPT ); Mon, 12 Jun 2023 06:55:32 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D9A14EED for ; Mon, 12 Jun 2023 03:42:34 -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 02FEC612E8 for ; Mon, 12 Jun 2023 10:42:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17B42C433D2; Mon, 12 Jun 2023 10:42:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686566553; bh=RLtmN0TIInZlWRLz3BGhJs9W3NpO0P0pRirDUhZb/cQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PovkKP297TLBEo7QLJjMDuWwiXyH6lctGaRGL/DgyYunPPlENZA7FFhX1sY2mPCIq 1PycO/C0JQt6iUUCn9tCV3q3NVXY9h3ZyUE0Xu8bg108lEFjcyvzp9B3DoQFOyxOnR 7GP/Eo0cMJOsB4qQ4tTq0kXmZK/vI4Pc+2GTEfpE= 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 6.1 076/132] drm/amd/display: Reduce sdp bw after urgent to 90% Date: Mon, 12 Jun 2023 12:26:50 +0200 Message-ID: <20230612101713.723300786@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230612101710.279705932@linuxfoundation.org> References: <20230612101710.279705932@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 @@ -137,7 +137,7 @@ 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