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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0C26CC19F32 for ; Thu, 27 Feb 2025 19:40:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:Date:Subject: From:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=hjY3hzFmvN+4at6lT8SAyUwwUa4jwbS1wn4nbJEWn7I=; b=4rsq1G/mtguIxP7nZl5QPG+1Ob dkBLTpluHjH17XP6cPlC/rkll8lCW1OmRotQdr9fg8SEt3RymUthCrZU/uKJdMXisD0kczB2tTVMS Tey5ajNFaGzUAiTGqi2zHjnZWK228AlxEuw/ft13plA0UEot8P2i5p1eFH8yI9+4QGL+HtoNv5KDm nHL4doN5dcLZw06UnZ0Jby46q4sdKEdTdGksYJsZuXfpbcz3boPU4QHqV+OdNQ31BHyqcA++JFXW/ Xm9+7PKlSB9o1Vj5ebXCpj1teYTCpPTUR4O3dWGMhhkJhOCBr8X/YbjL9BKC7wNVDQfn5ZyqqbmTa VBweyRlg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tnjjb-00000008YZG-2EPQ; Thu, 27 Feb 2025 19:39:51 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tnhBB-0000000890Y-1Onc for linux-arm-kernel@lists.infradead.org; Thu, 27 Feb 2025 16:56:10 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 6E1035C5EE6; Thu, 27 Feb 2025 16:55:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id E7096C4CEDD; Thu, 27 Feb 2025 16:56:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740675368; bh=ddHSWzfOpgj/d3fX6Fk+tB0XVBjWU5UoN35QACCC/xc=; h=From:Subject:Date:To:Cc:Reply-To:From; b=uLC0RUuxuh8h7kPu7nlreNvQnb5TmspiaLbq89qkbZwbb+MQAmsvGzPqVqwmD++Tl q2tQCnPEMMDOtLTjm2JFpm6Zn1cyieReI9toAYgnUOHqO2beknnWYFyeTIYU0RBtpp noYczIz8UEU37EBHnwwh7yBPK5GsDujh0nhsT45nDwXweKjiPMMLsBh/6hetWqRwaa PkpIfXZiXbGWPGMJ1AieQmKBRyh0JAbxQSuJx3DRkEIPlLJMpG4kbV66IvVZd86Hql l1o/x+evwXLpziuDFZGNi3t4T1VpF7nJG3P+9JkBSyMM0KuL6k9gIHU6uDiqqPan2h yGs+GaQmF12bA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id D34BEC19F32; Thu, 27 Feb 2025 16:56:07 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Subject: [PATCH 0/2] iommu: apple-dart: Support the ISP DART Date: Thu, 27 Feb 2025 17:56:02 +0100 Message-Id: <20250227-isp-dart-v1-0-161e91ef4f46@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIACKZwGcC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI1MDIyNz3cziAt2UxKIS3TQLYzPLpMTE1OQkQyWg8oKi1LTMCrBR0bG1tQC mlcbVWgAAAA== X-Change-ID: 20250227-isp-dart-f8369baaecb1 To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Joerg Roedel , Will Deacon , Robin Murphy Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Sasha Finkelstein , Hector Martin X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1740675366; l=655; i=fnkl.kernel@gmail.com; s=20241124; h=from:subject:message-id; bh=ddHSWzfOpgj/d3fX6Fk+tB0XVBjWU5UoN35QACCC/xc=; b=TasZ/Is8Sj8Qao/MTZTpDzngUe2vnUOdsD1prS7ULnltrgtT+NSrIYi6D2PdSla0qQ1xfJ7KG Ln5SGozEOtRDaPc3IZl9VDj3M30AM+ik9Wm1tXZLEm9ntEXwsx0cnBD X-Developer-Key: i=fnkl.kernel@gmail.com; a=ed25519; pk=aSkp1PdZ+eF4jpMO6oLvz/YfT5XkBUneWwyhQrOgmsU= X-Endpoint-Received: by B4 Relay for fnkl.kernel@gmail.com/20241124 with auth_id=283 X-Original-From: Sasha Finkelstein X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250227_085609_439841_622AD0CD X-CRM114-Status: UNSURE ( 7.19 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: fnkl.kernel@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The ISP block has 3 linked DARTs with mismatched bypass support. This series adds support for this setup. (The ISP driver itself is sent as a separate series https://lore.kernel.org/asahi/20250219-isp-v1-0-6d3e89b67c31@gmail.com/T/ ) Signed-off-by: Sasha Finkelstein --- Hector Martin (2): iommu: apple-dart: Increase MAX_DARTS_PER_DEVICE to 3 iommu: apple-dart: Allow mismatched bypass support drivers/iommu/apple-dart.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) --- base-commit: dd83757f6e686a2188997cb58b5975f744bb7786 change-id: 20250227-isp-dart-f8369baaecb1