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=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=no 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 99850C433E2 for ; Wed, 16 Sep 2020 17:47:32 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1B2FC206B6 for ; Wed, 16 Sep 2020 17:47:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1B2FC206B6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id A650C87430; Wed, 16 Sep 2020 17:47:31 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7HCZMv72ZpyN; Wed, 16 Sep 2020 17:47:27 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id EA4C58741A; Wed, 16 Sep 2020 17:47:27 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id E3209C0864; Wed, 16 Sep 2020 17:47:27 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 5D7F6C0051 for ; Wed, 16 Sep 2020 17:04:18 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 219972BC43 for ; Wed, 16 Sep 2020 17:04:18 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id V-sJmv6gXVUP for ; Wed, 16 Sep 2020 17:04:17 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by silver.osuosl.org (Postfix) with ESMTPS id BEC1E275A5 for ; Wed, 16 Sep 2020 17:04:16 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: alyssa) with ESMTPSA id 981522711D2 Date: Wed, 16 Sep 2020 13:04:09 -0400 From: Alyssa Rosenzweig To: Neil Armstrong Subject: Re: [PATCH 0/3] drm: panfrost: Coherency support Message-ID: <20200916170409.GA2543@kevin> References: MIME-Version: 1.0 In-Reply-To: X-Mailman-Approved-At: Wed, 16 Sep 2020 17:47:26 +0000 Cc: robh@kernel.org, tomeu.vizoso@collabora.com, Robin Murphy , dri-devel@lists.freedesktop.org, steven.price@arm.com, iommu@lists.linux-foundation.org, khilman@baylibre.com, linux-amlogic@lists.infradead.org, will@kernel.org, linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2658711551411326885==" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" --===============2658711551411326885== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="EVF5PPMfhYS0aIcm" Content-Disposition: inline --EVF5PPMfhYS0aIcm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > So I get a performance regression with the dma-coherent approach, even if it's > clearly the cleaner. That's bizarre -- this should really be the faster of the two. --EVF5PPMfhYS0aIcm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEQ17gm7CvANAdqvY4/v5QWgr1WA0FAl9iRX8ACgkQ/v5QWgr1 WA0Fsg//Qy1ZMY68LHnG0Sv9WWMIPx28MJoZmed9VIQ5jMu951cNntKyVqqUVGJf GAHSFPbAEPpbocf35MhRwm12dLx4SyomgpwavHF0Lkx9e/XkgCJz5n2yZBNvHikV UP/R31ETfND5V4oRfLdHodJrNNyVabFk5PsWBVbgefRCxysLK+Pq1uXvsWeY5cUW Nond4DUoQ48S+AMXUCaLFCjfNcqq3Jt1Juh1x2fW61pGdvCWoPHV9u2niQ3ylTiz l6v105u/j4SvHALH2eW+mxfxNSBwS2kIkMTZdPzD8bTnh8N3DBokcwRpPw2LSR/O UNPLxSfiTQVrvj5TX/VXBvK2B8eFph0lCMvtoUSt88WZ5xo+RZBkMZdXkOaXgMdt eyhPLCXOWkLcyA/qPeElvCmRsJ3vrT1XSrfqZkq3Hx3XAedaFYEw2mXGVWRo8XAI 27zYwkyzvWweUR+QkC8HK4fpiXs8/x+rF/cGT3zfDU0VPpCOPLw8ZII/lGGKNazi /0pocVSw+1IPg4OCdC26zjP9a1Drc5b5YIeLnnxwtb5+KcowkWG0sa4H5+CZ7zls E4P2exzZCOeRAeqYZMzUWawGzkUCWKVnoxwYrWyyvbO/0eoreJ3kv50S+754JUOw tAyaRpfGYLblm2cmC2xpckAtg1HekYaFIIphP1SZIm+iZTYv9+0= =ZO+i -----END PGP SIGNATURE----- --EVF5PPMfhYS0aIcm-- --===============2658711551411326885== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu --===============2658711551411326885==-- 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=-6.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=no 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 E3F23C43461 for ; Wed, 16 Sep 2020 17:05:48 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 91F4B206BE for ; Wed, 16 Sep 2020 17:05:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MlMu1qGL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 91F4B206BE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=mB2ktoyn+gqlfaHLx8L2kJt/k2slQ7j5J+KwMsnWYSo=; b=MlMu1qGLZMLMTB4mixhFeWLb3 cOZMMaThc9ot2TBntnGBLNn8gWYHCwh0OS49jpfFnGwV5HI39FbYXbgKWx8NejkgKkzUJI3EOX2Dg Moc7KeENT2Gakqp/sMH8qNxsrRxP+HAhVQ5O8oVCdHlAAt8+Kcma+snX7KBmoV6wMa2TUnQpU9Jbg 3R0Nm1WpVE4s6CVcVyxezoZoy145NoQ1sUpwp3ZQ+6+cHw72JjhDWaK88JlGBhIo4Rx72yrMHT0A9 MzxFvhUkbRylUPPLhFPCV6bi6SJQWAwa6g+U5adzbfFECxh0hh3jk1p+TnC14LaDLs+EYlAS6+a/0 xs7W4y35A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIaqy-0004Ry-HF; Wed, 16 Sep 2020 17:04:20 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIaqu-0004Qb-EA; Wed, 16 Sep 2020 17:04:17 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: alyssa) with ESMTPSA id 981522711D2 Date: Wed, 16 Sep 2020 13:04:09 -0400 From: Alyssa Rosenzweig To: Neil Armstrong Subject: Re: [PATCH 0/3] drm: panfrost: Coherency support Message-ID: <20200916170409.GA2543@kevin> References: MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200916_130416_569496_3E98202F X-CRM114-Status: UNSURE ( 8.55 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: robh@kernel.org, tomeu.vizoso@collabora.com, Robin Murphy , dri-devel@lists.freedesktop.org, steven.price@arm.com, iommu@lists.linux-foundation.org, khilman@baylibre.com, linux-amlogic@lists.infradead.org, will@kernel.org, linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com Content-Type: multipart/mixed; boundary="===============2000541734287518146==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============2000541734287518146== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="EVF5PPMfhYS0aIcm" Content-Disposition: inline --EVF5PPMfhYS0aIcm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > So I get a performance regression with the dma-coherent approach, even if it's > clearly the cleaner. That's bizarre -- this should really be the faster of the two. --EVF5PPMfhYS0aIcm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEQ17gm7CvANAdqvY4/v5QWgr1WA0FAl9iRX8ACgkQ/v5QWgr1 WA0Fsg//Qy1ZMY68LHnG0Sv9WWMIPx28MJoZmed9VIQ5jMu951cNntKyVqqUVGJf GAHSFPbAEPpbocf35MhRwm12dLx4SyomgpwavHF0Lkx9e/XkgCJz5n2yZBNvHikV UP/R31ETfND5V4oRfLdHodJrNNyVabFk5PsWBVbgefRCxysLK+Pq1uXvsWeY5cUW Nond4DUoQ48S+AMXUCaLFCjfNcqq3Jt1Juh1x2fW61pGdvCWoPHV9u2niQ3ylTiz l6v105u/j4SvHALH2eW+mxfxNSBwS2kIkMTZdPzD8bTnh8N3DBokcwRpPw2LSR/O UNPLxSfiTQVrvj5TX/VXBvK2B8eFph0lCMvtoUSt88WZ5xo+RZBkMZdXkOaXgMdt eyhPLCXOWkLcyA/qPeElvCmRsJ3vrT1XSrfqZkq3Hx3XAedaFYEw2mXGVWRo8XAI 27zYwkyzvWweUR+QkC8HK4fpiXs8/x+rF/cGT3zfDU0VPpCOPLw8ZII/lGGKNazi /0pocVSw+1IPg4OCdC26zjP9a1Drc5b5YIeLnnxwtb5+KcowkWG0sa4H5+CZ7zls E4P2exzZCOeRAeqYZMzUWawGzkUCWKVnoxwYrWyyvbO/0eoreJ3kv50S+754JUOw tAyaRpfGYLblm2cmC2xpckAtg1HekYaFIIphP1SZIm+iZTYv9+0= =ZO+i -----END PGP SIGNATURE----- --EVF5PPMfhYS0aIcm-- --===============2000541734287518146== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============2000541734287518146==-- 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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=no 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 BE929C43461 for ; Thu, 17 Sep 2020 08:08:09 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 842272075B for ; Thu, 17 Sep 2020 08:08:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 842272075B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 20AC06EB78; Thu, 17 Sep 2020 08:08:03 +0000 (UTC) Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3247D6EA6F for ; Wed, 16 Sep 2020 17:04:15 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: alyssa) with ESMTPSA id 981522711D2 Date: Wed, 16 Sep 2020 13:04:09 -0400 From: Alyssa Rosenzweig To: Neil Armstrong Subject: Re: [PATCH 0/3] drm: panfrost: Coherency support Message-ID: <20200916170409.GA2543@kevin> References: MIME-Version: 1.0 In-Reply-To: X-Mailman-Approved-At: Thu, 17 Sep 2020 08:08:02 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tomeu.vizoso@collabora.com, Robin Murphy , dri-devel@lists.freedesktop.org, steven.price@arm.com, iommu@lists.linux-foundation.org, khilman@baylibre.com, linux-amlogic@lists.infradead.org, will@kernel.org, linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com Content-Type: multipart/mixed; boundary="===============0731873044==" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" --===============0731873044== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="EVF5PPMfhYS0aIcm" Content-Disposition: inline --EVF5PPMfhYS0aIcm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > So I get a performance regression with the dma-coherent approach, even if it's > clearly the cleaner. That's bizarre -- this should really be the faster of the two. --EVF5PPMfhYS0aIcm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEQ17gm7CvANAdqvY4/v5QWgr1WA0FAl9iRX8ACgkQ/v5QWgr1 WA0Fsg//Qy1ZMY68LHnG0Sv9WWMIPx28MJoZmed9VIQ5jMu951cNntKyVqqUVGJf GAHSFPbAEPpbocf35MhRwm12dLx4SyomgpwavHF0Lkx9e/XkgCJz5n2yZBNvHikV UP/R31ETfND5V4oRfLdHodJrNNyVabFk5PsWBVbgefRCxysLK+Pq1uXvsWeY5cUW Nond4DUoQ48S+AMXUCaLFCjfNcqq3Jt1Juh1x2fW61pGdvCWoPHV9u2niQ3ylTiz l6v105u/j4SvHALH2eW+mxfxNSBwS2kIkMTZdPzD8bTnh8N3DBokcwRpPw2LSR/O UNPLxSfiTQVrvj5TX/VXBvK2B8eFph0lCMvtoUSt88WZ5xo+RZBkMZdXkOaXgMdt eyhPLCXOWkLcyA/qPeElvCmRsJ3vrT1XSrfqZkq3Hx3XAedaFYEw2mXGVWRo8XAI 27zYwkyzvWweUR+QkC8HK4fpiXs8/x+rF/cGT3zfDU0VPpCOPLw8ZII/lGGKNazi /0pocVSw+1IPg4OCdC26zjP9a1Drc5b5YIeLnnxwtb5+KcowkWG0sa4H5+CZ7zls E4P2exzZCOeRAeqYZMzUWawGzkUCWKVnoxwYrWyyvbO/0eoreJ3kv50S+754JUOw tAyaRpfGYLblm2cmC2xpckAtg1HekYaFIIphP1SZIm+iZTYv9+0= =ZO+i -----END PGP SIGNATURE----- --EVF5PPMfhYS0aIcm-- --===============0731873044== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel --===============0731873044==-- 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=-6.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=no 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 DCCC9C43461 for ; Wed, 16 Sep 2020 17:04:29 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6694D221F0 for ; Wed, 16 Sep 2020 17:04:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MQCdD2vA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6694D221F0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HeLJRR3JbMnl/vFFafvURpQaGh3rQU03lfqec6Upb5Y=; b=MQCdD2vAn+rFr7NJX0IEVp/Qe f9e6ok8s8w8NL1bLT5j1wdjIL5uURKPBEM7dpf6xeaEhseJVQ+TVr0d+DMEkPRuuPUJUvyh5LIUEW kdXvXNEreAWXGkIki4Hv8Ybk97Mbo+fYEQJCk3+k8iXpAmq3sxQWpw7wH4jd4p7fzWbphty/QvhKx u1F7ICUsFrxu1X47n2zRLxyQ8DSinixc6QoURK5+Q8ByUpXkPked2a9s+PPWX2jdGOD9fYOPll2Ht IqLECDnHFwmV//uIX2INZV5dWzpgYSnc5rjMCPy9//Q4VXRDLPmyJ1CaPmjm8g5WYr0b7YrZNHxJG TAumCUVYw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIaqx-0004Rh-Hv; Wed, 16 Sep 2020 17:04:19 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIaqu-0004Qb-EA; Wed, 16 Sep 2020 17:04:17 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: alyssa) with ESMTPSA id 981522711D2 Date: Wed, 16 Sep 2020 13:04:09 -0400 From: Alyssa Rosenzweig To: Neil Armstrong Subject: Re: [PATCH 0/3] drm: panfrost: Coherency support Message-ID: <20200916170409.GA2543@kevin> References: MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200916_130416_569496_3E98202F X-CRM114-Status: UNSURE ( 8.55 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: robh@kernel.org, tomeu.vizoso@collabora.com, Robin Murphy , dri-devel@lists.freedesktop.org, steven.price@arm.com, iommu@lists.linux-foundation.org, khilman@baylibre.com, linux-amlogic@lists.infradead.org, will@kernel.org, linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com Content-Type: multipart/mixed; boundary="===============5101372965976559090==" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org --===============5101372965976559090== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="EVF5PPMfhYS0aIcm" Content-Disposition: inline --EVF5PPMfhYS0aIcm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > So I get a performance regression with the dma-coherent approach, even if it's > clearly the cleaner. That's bizarre -- this should really be the faster of the two. --EVF5PPMfhYS0aIcm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEQ17gm7CvANAdqvY4/v5QWgr1WA0FAl9iRX8ACgkQ/v5QWgr1 WA0Fsg//Qy1ZMY68LHnG0Sv9WWMIPx28MJoZmed9VIQ5jMu951cNntKyVqqUVGJf GAHSFPbAEPpbocf35MhRwm12dLx4SyomgpwavHF0Lkx9e/XkgCJz5n2yZBNvHikV UP/R31ETfND5V4oRfLdHodJrNNyVabFk5PsWBVbgefRCxysLK+Pq1uXvsWeY5cUW Nond4DUoQ48S+AMXUCaLFCjfNcqq3Jt1Juh1x2fW61pGdvCWoPHV9u2niQ3ylTiz l6v105u/j4SvHALH2eW+mxfxNSBwS2kIkMTZdPzD8bTnh8N3DBokcwRpPw2LSR/O UNPLxSfiTQVrvj5TX/VXBvK2B8eFph0lCMvtoUSt88WZ5xo+RZBkMZdXkOaXgMdt eyhPLCXOWkLcyA/qPeElvCmRsJ3vrT1XSrfqZkq3Hx3XAedaFYEw2mXGVWRo8XAI 27zYwkyzvWweUR+QkC8HK4fpiXs8/x+rF/cGT3zfDU0VPpCOPLw8ZII/lGGKNazi /0pocVSw+1IPg4OCdC26zjP9a1Drc5b5YIeLnnxwtb5+KcowkWG0sa4H5+CZ7zls E4P2exzZCOeRAeqYZMzUWawGzkUCWKVnoxwYrWyyvbO/0eoreJ3kv50S+754JUOw tAyaRpfGYLblm2cmC2xpckAtg1HekYaFIIphP1SZIm+iZTYv9+0= =ZO+i -----END PGP SIGNATURE----- --EVF5PPMfhYS0aIcm-- --===============5101372965976559090== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic --===============5101372965976559090==--