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Mon, 12 Oct 2026 22:39:27 -0700 (PDT) X-Received: by 2002:a17:90a:d2c7:b0:3a8:211b:6c6f with SMTP id 98e67ed59e1d1-3ab3a9f0cc3mr9501737a91.67.1791869967476; Mon, 12 Oct 2026 22:39:27 -0700 (PDT) Received: from [10.219.57.214] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ab36ed0332sm20972016a91.3.2026.10.12.22.38.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Oct 2026 22:38:58 -0700 (PDT) Message-ID: <580dc86a-08a7-4196-902b-ea2860824407@oss.qualcomm.com> Date: Tue, 13 Oct 2026 11:08:53 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] arm64: dts: qcom: add CDSP FastRPC extended context bank To: Konrad Dybcio , Bjorn Andersson , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Ekansh Gupta , Bharath Kumar , Chenna Kesava Raju , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261007-extended-mapping-dts-v1-0-b52eb8c3613d@oss.qualcomm.com> <996a5786-6f47-4afd-8dda-68a46b6a0623@oss.qualcomm.com> Content-Language: en-US From: Vinayak Katoch In-Reply-To: <996a5786-6f47-4afd-8dda-68a46b6a0623@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: 2zqYELICW78NUTp1iCaoCKzhLZx_B9L_ X-Authority-Analysis: v=2.4 cv=FZuiV5+6 c=1 sm=1 tr=0 ts=6acdc410 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=5Mj297_3T3Sy0i_chsIA:9 a=QEXdDO2ut3YA:10 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDEzMDAyMiBTYWx0ZWRfX1giS41qMYzDz 5eaGVqPKk9pepktWuw6sqxvvwb/FevgUTP4L9mjslNGXRskmZF7bDwC9n2FEg0HhXWZZGamE90l t8jtOsbTsIo7bVlDZRJbdGLoNByu92k= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDEzMDAyMiBTYWx0ZWRfX6FXZ1b51MX7p 19iRQ6dTcL2yXniDC7WpuJC12aRrUnv6Xq/bAi68tEiqB23CyhELEJWH4HNA+c2pVD5cn5zW56q bM+6suu7alz61e9jIGYq1Ucmc2WVAJKpa40TpCx4bq0hAp8EE2sTYUCb2Lqhfer3UiVWQmjnFoJ gi70vZNdc00ihGHKo7IBYsDSyZt0Sx7oTdy+0a+fHVigZAioG88rWfZd96XXuimyg6UsVCENInL UNQQaapjzkG1D7IbfQ6DNWR2VyFwYCDwV8rtAmluGPygM7dVLenvOein8vrtlb+bDkJkcJbcD5M UD4fLgYu2S/eDNHvzJWlvrrGEnsn+o8lpih9KVODpvKM8efgoouzIu8h0MWW0f4jESZ8e+DcIPl omL8nGbGSHtIFHgTARftARxsLPJ4i1DOqiUf4dUZrOf//1g0tfOQV7M0LeJDSbh7zfNlaV0Clnx aXLDSN4ve24M55X468g== X-Proofpoint-ORIG-GUID: 2zqYELICW78NUTp1iCaoCKzhLZx_B9L_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-13_01,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 impostorscore=0 adultscore=0 bulkscore=0 spamscore=0 malwarescore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610130022 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 (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