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[144.49.247.25]) by smtp-relay.gmail.com with ESMTPS id 5a478bee46e88-314bc415edcsm435681eec.11.2026.07.27.16.13.51 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Jul 2026 16:13:51 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-pj1-f69.google.com with SMTP id 98e67ed59e1d1-38ecc48b3c2so149228a91.1 for ; Mon, 27 Jul 2026 16:13:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1785194029; x=1785798829; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=SBBRC+4dBOGUpUnVf1j+pdxrs8Bv9jF12/3OQB9wVH8=; b=dq8JrAcOGersFKwULuLoxRgEQ6ah3/MWTX9MFa+dJxUwylVR+vqQwm+MYcarg3xAc2 2/RPJ9qnEC/Oa5VrzjFvsWBipLrLZH1P4vIHXIm7YzJfrfnNrHtb41SMWG49MQu9RNj4 0jC+Kgvq+nKXZsVitPAuOm6pPvj9RRN+DfLao= X-Forwarded-Encrypted: i=1; AHgh+RoRJJIkW4NXTehjxsVcAfg8gylxZoQ0yuReUumHCBr/e6UbDqaQwWCx89+EFd2gBIQLpjW0qRw9AZYsGio=@vger.kernel.org X-Received: by 2002:a17:90b:2ccf:b0:387:df8f:1409 with SMTP id 98e67ed59e1d1-38f2988462emr8728031a91.42.1785194029525; Mon, 27 Jul 2026 16:13:49 -0700 (PDT) X-Received: by 2002:a17:90b:2ccf:b0:387:df8f:1409 with SMTP id 98e67ed59e1d1-38f2988462emr8728013a91.42.1785194029098; Mon, 27 Jul 2026 16:13:49 -0700 (PDT) Received: from stband-bld-1.and.broadcom.net ([192.19.144.250]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-314bc415eafsm36964437eec.7.2026.07.27.16.13.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jul 2026 16:13:48 -0700 (PDT) From: Jim Quinlan To: dan@reactivated.net Cc: bcm-kernel-feedback-list@broadcom.com, conor+dt@kernel.org, devicetree@vger.kernel.org, florian.fainelli@broadcom.com, iommu@lists.linux.dev, jgg@ziepe.ca, joro@8bytes.org, krzk+dt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, nick.hollinghurst@raspberrypi.com, robh@kernel.org, robin.murphy@arm.com, will@kernel.org Subject: Re: [PATCH 0/6] Add support for Broadcom BCM2712 IOMMU driver (Raspberry Pi 5) Date: Mon, 27 Jul 2026 19:13:43 -0400 Message-Id: <20260727231343.1520006-1-james.quinlan@broadcom.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260712-bcm2712-iommu-submit-v1-0-80e10cdde2ea@reactivated.net> References: <20260712-bcm2712-iommu-submit-v1-0-80e10cdde2ea@reactivated.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e Hello, Please give me a few days to give comment and test this on the Broadcom 7712, the sister chip of the RPi 2712. Regards, Jim Quinlan Broadcom STB/CM > > --- > Daniel Drake (6): > generic_pt: allow missing sw bit in DMA_INCOHERENT case > iommupt: allow full-table contiguous leaves in unit tests > dt-bindings: iommu: Add Broadcom BCM2712 IOMMU > iommu/generic_pt: Add Broadcom BCM2712 page table format > iommu: Add Broadcom BCM2712 IOMMU driver > arm64: dts: broadcom: bcm2712: Add GPU IOMMU and IOMMU cache nodes > > .../bindings/iommu/brcm,bcm2712-iommu.yaml | 65 +++ > .../bindings/iommu/brcm,bcm2712-iommuc.yaml | 35 ++ > arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 15 + > drivers/iommu/Kconfig | 15 + > drivers/iommu/Makefile | 1 + > drivers/iommu/bcm2712-iommu-cache.c | 73 +++ > drivers/iommu/bcm2712-iommu-cache.h | 9 + > drivers/iommu/bcm2712-iommu.c | 587 +++++++++++++++++++++ > drivers/iommu/generic_pt/.kunitconfig | 1 + > drivers/iommu/generic_pt/Kconfig | 10 + > drivers/iommu/generic_pt/fmt/Makefile | 2 + > drivers/iommu/generic_pt/fmt/bcm2712.h | 259 +++++++++ > drivers/iommu/generic_pt/fmt/defs_bcm2712.h | 18 + > drivers/iommu/generic_pt/fmt/iommu_bcm2712.c | 10 + > drivers/iommu/generic_pt/kunit_generic_pt.h | 39 +- > drivers/iommu/generic_pt/pt_fmt_defaults.h | 13 + > include/linux/generic_pt/common.h | 7 + > include/linux/generic_pt/iommu.h | 13 + > 18 files changed, 1147 insertions(+), 25 deletions(-) > --- > base-commit: f4fb100039e96211609dfc44fb24b9e4a8a0f2f9 > change-id: 20260712-bcm2712-iommu-submit-2e09899e65c4 > > Best regards, > -- > Daniel Drake