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 876B73915C2; Thu, 22 Jan 2026 17:22:24 +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=1769102544; cv=none; b=H8tqH+Uf1pdt2mcDd6Tf6xt19B5UPxegSf22ul9q5AT9K+R5+4AiKMzXH8kXpCHZMa1vL6EkDCwiyJG1532GUYzHVDwy/d7uFf9Bsq7SoSqwSuC9U2ZcWJdb4CjW+Vyf6d54k3m2ZScLYiDUwSQg0aDw9w573zJtj9k6oE2pIBU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769102544; c=relaxed/simple; bh=WlIVL33O3Gy2PKVIre446WseRoLM98vaXuHAaI7vsu8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MYvs0QP6EGK9xs6A92L3ZNWpz6id/1r0sfykkkPIns733fj1FcVEIo2/ZXN4sf/d4cAXcEVe0GQPOS52nnhXyRxcWJUTlRKLnvXx7VLWd5teWqmGY01R+fR2AWvyRTDRJoEuOpJnD3WrSE/3JztgKBc/C33rC6AgninNLE3ywRY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dm8jrwd/; 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="dm8jrwd/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F825C116C6; Thu, 22 Jan 2026 17:22:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769102543; bh=WlIVL33O3Gy2PKVIre446WseRoLM98vaXuHAaI7vsu8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dm8jrwd/9k4N/YxJSSrSmViIH8gMIzPDuY9SlR0eG1IB4J7rl4UsQ4o3DSp5E/npc LRC8AH7IjTLxHvHBxg8cYovxeCSaSAsv2WNneeUJW1aRNH4UPbOzr+D9hQjhKqzOUp 0hAvHDtqOVgkJ/4LDbp2Rrn7Www2a4hJ/I8phYBtQDm6tXHK3fOkKgRRSlWF9CeMY1 0nC1Vjm1wnXtDj/9ug85WWpgiMrDRGQCvGP/fL9BiUVjBEN3wFVmrw4m5H76K6VduV B5On9/tltCsjzgpKS5r0spxswGqHzEY8NfTVUAWD7eiElw8+2fUaz9EkpDkm59tYcP KjstPbjzDYrGw== Date: Thu, 22 Jan 2026 11:22:22 -0600 From: Rob Herring To: Sumit Garg Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, andersson@kernel.org, konradybcio@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, akhilpo@oss.qualcomm.com, vikash.garodia@oss.qualcomm.com, dikshita.agarwal@oss.qualcomm.com, robin.clark@oss.qualcomm.com, lumag@kernel.org, loic.poulain@oss.qualcomm.com, jorge.ramirez@oss.qualcomm.com, linux-kernel@vger.kernel.org, Sumit Garg Subject: Re: [PATCH v3 0/3] arm64: dts: qcom: agatti: Fix IOMMU DT properties Message-ID: <20260122172222.GA2670019-robh@kernel.org> References: <20260122121042.579270-1-sumit.garg@kernel.org> 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=us-ascii Content-Disposition: inline In-Reply-To: <20260122121042.579270-1-sumit.garg@kernel.org> On Thu, Jan 22, 2026 at 05:40:39PM +0530, Sumit Garg wrote: > From: Sumit Garg > > Fix IOMMU DT propeties for GPU, display and video peripherals via > dropping SMMU stream IDs which relates to secure context bank. > > This problem only surfaced when the Gunyah based firmware stack is > ported on Agatti replacing the legacy QHEE based firmware stack. Assigning > Linux kernel (HLOS) VMID to secure context bank stream IDs is treated > as a fault by Gunyah hypervisor which were previously ignored by QHEE > hypervisor. > > The DT changes should be backwards compatible with legacy QHEE based > firmware stack too. To avoid intermittent warnings, Bjorn should pick up the whole series. Rob