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 439DAC7EE23 for ; Mon, 27 Feb 2023 02:01:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229659AbjB0CBD (ORCPT ); Sun, 26 Feb 2023 21:01:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51180 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229618AbjB0CBB (ORCPT ); Sun, 26 Feb 2023 21:01:01 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D979C12868; Sun, 26 Feb 2023 18:00:59 -0800 (PST) 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 1CC1460CA3; Mon, 27 Feb 2023 02:00:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B78E1C4339E; Mon, 27 Feb 2023 02:00:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677463258; bh=yDEmqvxwsg0vE2JAlr2G8lYxZpQza/IUr6UE/jPyzYI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GK8uIQcy3rgE5Qb/jwnYzAuF6y/PnylBW/nyN6fFjd5MdxLQzBvSJ/SACD2a+QW0z QiIyG+Y3BdIuiDkNoRaM7VwjvrPfMEQ8tDavgiBrBXFsydTKbQ6KZk6hEEqeJWHlzy CrqEgAVRMWZqzFYIUUA0A9sqzcBPj4jLn0TTtodZZk+fJVr5l7Bv3V6p013AIj1kiV Vc+QQAE9h1NvrTgYD3hGWZeVMpf6KNrjDiq6Roq0l/srsBNmY87q6aQIDIdXxvQjjl alnYw/Zd8Q/X3QAJU1+3wJJV3IWlAyivOmKgR4GQ5tINTxL+saV/ClYU+DPZ/NfeR8 x8WDz1PzBiPAw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dillon Varone , Jun Lei , Jasdeep Dhillon , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, alvin.lee2@amd.com, george.shen@amd.com, Samson.Tam@amd.com, yang.lee@linux.alibaba.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.2 03/60] drm/amd/display: Reduce expected sdp bandwidth for dcn321 Date: Sun, 26 Feb 2023 20:59:48 -0500 Message-Id: <20230227020045.1045105-3-sashal@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230227020045.1045105-1-sashal@kernel.org> References: <20230227020045.1045105-1-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: Dillon Varone [ Upstream commit 6b81090d6d4cc0fd818c9ec9dbb6906f921ad396 ] [Description] Modify soc BB to reduce expected sdp bandwidth and align with measurements to fix underflow issues. Reviewed-by: Jun Lei Acked-by: Jasdeep Dhillon Signed-off-by: Dillon Varone Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c index f4b176599be7a..0ea406145c1d7 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c @@ -136,7 +136,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_21_soc = { .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 -- 2.39.0