From: Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Abel Vesa <abelvesa@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>,
Bharath Kumar <bkumar@qti.qualcomm.com>,
Chenna Kesava Raju <chennak@qti.qualcomm.com>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] arm64: dts: qcom: add CDSP FastRPC extended context bank
Date: Tue, 13 Oct 2026 11:08:53 +0530 [thread overview]
Message-ID: <580dc86a-08a7-4196-902b-ea2860824407@oss.qualcomm.com> (raw)
In-Reply-To: <996a5786-6f47-4afd-8dda-68a46b6a0623@oss.qualcomm.com>
On 10/12/2026 6:33 PM, Konrad Dybcio wrote:
> On 10/7/26 5:54 PM, Vinayak Katoch wrote:
>> Wire up the dedicated CDSP extended context bank on kaanapali and
>> glymur, enabling buffer mappings beyond the standard 34-bit IOVA limit.
>>
>> The FastRPC driver identifies an extended context bank by the presence
>> of iommu-ranges on the compute-cb node. Each patch adds
>> iommu-ranges = <0x4 0x0 0xfc 0x0> on the designated compute-cb,
>> restricting IOVA allocations to the [16 GiB, ~1 TiB) window. The
>> fastrpc and glink ancestor nodes are bumped to #address-cells = <2>
>> and #size-cells = <2> to accommodate 64-bit iommu-ranges values, and
>> all existing compute-cb reg entries are updated to the four-cell format.
>>
>> Signed-off-by: Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
>> ---
>> Vinayak Katoch (2):
>> arm64: dts: qcom: kaanapali: add CDSP FastRPC extended context bank
>> arm64: dts: qcom: glymur: add CDSP FastRPC extended context bank
>>
>> arch/arm64/boot/dts/qcom/glymur.dtsi | 31 ++++++++++++++++++-------------
>> arch/arm64/boot/dts/qcom/kaanapali.dtsi | 29 +++++++++++++++++------------
>> 2 files changed, 35 insertions(+), 25 deletions(-)
>> ---
>> base-commit: 5c4d4169604b335c38bbc79bc1fc03042981fc6f
>> change-id: 20261006-extended-mapping-dts-f60dbc6221aa
>> prerequisite-change-id: 20260609-dup-sessions-ea2acaac1994:v5
>> prerequisite-patch-id: 425dc9414848bbc3f2a053d067195d849898e2ae
>> prerequisite-patch-id: 4fea14b47d11a5a3e18065d8cf3a461841ee2b86
>> prerequisite-patch-id: da0a3d55397a522ea4b77769e387df9faea8e024
>> prerequisite-change-id: 20260826-extended-mapping-9b08b0c3108d:v2
>> prerequisite-patch-id: 7fe093060212472237ebfaf12413fa38d662e5b7
>> prerequisite-patch-id: 86acb1e79d10600734d07152dbbc3010977b85f8
>> prerequisite-patch-id: 08da00c4dcbf2e77ba217676bf93daee78c20e79
>> prerequisite-patch-id: f6a649d7e73501312402b084adee4b5fb3d83a44
>
> When you send a series claiming it has hundreds of prerequisites,
> it can not be picked up
fixed in v2
>
> Konrad
prev parent reply other threads:[~2026-10-13 5:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-07 15:54 Vinayak Katoch
2026-10-07 15:54 ` [PATCH 1/2] arm64: dts: qcom: kaanapali: " Vinayak Katoch
2026-10-07 15:54 ` [PATCH 2/2] arm64: dts: qcom: glymur: " Vinayak Katoch
2026-10-12 13:03 ` [PATCH 0/2] arm64: dts: qcom: " Konrad Dybcio
2026-10-13 5:38 ` Vinayak Katoch [this message]
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