From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6C68F1B4F04; Thu, 27 Feb 2025 16:56:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740675368; cv=none; b=Aq3ARH5ZEjgzGV0gwaoEtlNVor4uUwhk3zX5p5LzRH7wckTkG2GYrUabQutHGvQYJ2G508CzS1qXh+KYDpSMehKCYqoXC76XS2SCLF36jwUIsDU/iqNRZjBGZrz/V1pC3hSI00cd51l/DTACY7fyRpAjjgjBTo5R4QfLYNLeP3o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740675368; c=relaxed/simple; bh=ddHSWzfOpgj/d3fX6Fk+tB0XVBjWU5UoN35QACCC/xc=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=n8IFWImp4hDSMj9Wd84MCR6hHZ1k6/Y7lFNMJlIn/uMgetj1jlthN6sfE5d3/pnMtXXkMMn2ZLWUKTxQXSxxwSbNZB8KLwaCO/+iDYKK1aj1qH4Sjlnia33o5p5wY87ebE+Y1T+naMRzVWctlmQ0J48fLEqH0ZYGDGDoWwEmp3E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uLC0RUux; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uLC0RUux" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 Reply-To: fnkl.kernel@gmail.com 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