From nobody Sun Feb 8 15:29:15 2026 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 5BA9347F2CA; Thu, 22 Jan 2026 12:11:13 +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=1769083873; cv=none; b=YsBcJpFiUub0wpbCrQzgzx1pJme8Kkm2gwCz2NJZz1V4xxDih80WcXz9Qu/d5gYtn8zvxX25mOvmsc0reIUMCwXRs3wK9oC3G2uhS7ANc2guehtAeD2s94xYNhylb0D4Roie/mhNydON2xztFsq5YokvSWxgdSZxquoKybFcYyc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769083873; c=relaxed/simple; bh=RrAU4MCpxG40dMN3gl21TIoYABcckcN7SRx1uchoCMA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Yh36tv9UI8fNA8XqTPT4PG0FHAiCqFO1CHZ+WhmyzF9vKUT2KecST4/YWfpclK71MIq7acWuQD8panmoFaAO5WqvM+pS++dkQVceJOXo9b60q/x0DcJsNVyR3RdcH411U5jTvUFsNMf8bVWW1TGf/uHlyXTt44I+yVRTqGzA7uY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uX6L16LN; 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="uX6L16LN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B8A3FC4AF09; Thu, 22 Jan 2026 12:11:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769083872; bh=RrAU4MCpxG40dMN3gl21TIoYABcckcN7SRx1uchoCMA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uX6L16LNUkUtLcoLstMeL++s5uiA+4G5esbf6tQb2ifWsinwNIXGRSzqAmq1p//xq knhDyk8b+VSVxgPZDYiUpWBpxeux5pLiePvloHLlVL8Jhg5bTR3tfq54y0EPc2v7rk h92je/cFZSYtH/oVXdb+9U2VTHEU/Qv1KFUiYQZQ6VjUcly5szKOyAoD/gBJ1F3XzK rOEAMueLqiUGpYKj4wkfOe4UkdIIHqAC+Z6667oVPjdS7ZbmIvhxh/szBI8usDWEFH kl1l/VaVSFftkBrB39C1D4gkeK1AUxtXBdGkhFyGA0BU0bB7Te+IH7vB8X1o6klf17 VkNUdFC46SS+A== From: Sumit Garg To: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Cc: andersson@kernel.org, konradybcio@kernel.org, robh@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 , Prakash Gupta , Konrad Dybcio , Dmitry Baryshkov Subject: [PATCH v3 3/3] arm64: dts: qcom: agatti: Fix IOMMU DT properties Date: Thu, 22 Jan 2026 17:40:42 +0530 Message-ID: <20260122121042.579270-4-sumit.garg@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260122121042.579270-1-sumit.garg@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-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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. Suggested-by: Prakash Gupta Reviewed-by: Konrad Dybcio Reviewed-by: Akhil P Oommen Reviewed-by: Dmitry Baryshkov Signed-off-by: Sumit Garg --- arch/arm64/boot/dts/qcom/agatti.dtsi | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/agatti.dtsi b/arch/arm64/boot/dts/qco= m/agatti.dtsi index 7815ece261ea..7c1a636e51f0 100644 --- a/arch/arm64/boot/dts/qcom/agatti.dtsi +++ b/arch/arm64/boot/dts/qcom/agatti.dtsi @@ -1665,8 +1665,7 @@ gpu: gpu@5900000 { &bimc SLAVE_EBI1 RPM_ALWAYS_TAG>; interconnect-names =3D "gfx-mem"; =20 - iommus =3D <&adreno_smmu 0 1>, - <&adreno_smmu 2 0>; + iommus =3D <&adreno_smmu 0 1>; operating-points-v2 =3D <&gpu_opp_table>; power-domains =3D <&rpmpd QCM2290_VDDCX>; qcom,gmu =3D <&gmu_wrapper>; @@ -1947,8 +1946,7 @@ mdss: display-subsystem@5e00000 { =20 power-domains =3D <&dispcc MDSS_GDSC>; =20 - iommus =3D <&apps_smmu 0x420 0x2>, - <&apps_smmu 0x421 0x0>; + iommus =3D <&apps_smmu 0x420 0x2>; interconnects =3D <&mmrt_virt MASTER_MDP0 RPM_ALWAYS_TAG &bimc SLAVE_EBI1 RPM_ALWAYS_TAG>, <&bimc MASTER_APPSS_PROC RPM_ALWAYS_TAG @@ -2391,10 +2389,7 @@ venus: video-codec@5a00000 { =20 memory-region =3D <&pil_video_mem>; iommus =3D <&apps_smmu 0x860 0x0>, - <&apps_smmu 0x880 0x0>, - <&apps_smmu 0x861 0x04>, - <&apps_smmu 0x863 0x0>, - <&apps_smmu 0x804 0xe0>; + <&apps_smmu 0x880 0x0>; =20 interconnects =3D <&mmnrt_virt MASTER_VIDEO_P0 RPM_ALWAYS_TAG &bimc SLAVE_EBI1 RPM_ALWAYS_TAG>, --=20 2.51.0