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Tue, 07 Apr 2026 12:22:41 -0700 (PDT) X-Received: by 2002:a17:903:1b4c:b0:2b2:420a:b48a with SMTP id d9443c01a7336-2b28182c458mr187169615ad.32.1775589760938; Tue, 07 Apr 2026 12:22:40 -0700 (PDT) Received: from [192.168.1.8] ([106.222.229.237]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b2749a3a0fsm238836465ad.59.2026.04.07.12.22.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Apr 2026 12:22:40 -0700 (PDT) Message-ID: <948dbae1-0d12-423f-9b4d-c28e844d8fd2@oss.qualcomm.com> Date: Wed, 8 Apr 2026 00:52:32 +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 RFC 0/4] Devicetree support for Glymur GPU To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Sean Paul , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Rajendra Nayak , Rajendra Nayak References: <20260405-glymur-gpu-dt-v1-0-2135eb11c562@oss.qualcomm.com> From: Akhil P Oommen Content-Language: en-US In-Reply-To: <20260405-glymur-gpu-dt-v1-0-2135eb11c562@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=etfvCIpX c=1 sm=1 tr=0 ts=69d55983 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=oIjhDLspr5RTlLLUpj0f1A==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=4ZsNYdiHAHguiUsAXTsA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-ORIG-GUID: -00U0kjpJCAw_Hl9-JPIjyMFBLAJl8h2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA3MDE3NiBTYWx0ZWRfX5E7N9hAf2vO6 o8qPkQCQWg3lM0PHNCYtw6TZtOrx/CaJZ8Ybl42EUtrA0qYVOLHdr6F7QfLvC4HAA7CFWwEo7// rS3imTeJTkuRkjBhRj441fTrhM25OnTx6LXUNK4Ms3JkKoR6ZnuubxhgXytK6FZkIiJ9buq237B 5qZ9zVzk3kqXivGUac0fVAf9z1mqrYRWgzRP3qtNZiVuYWIqLw2GJ0jmq4Eo96qdTbnO6sxMGms WCibF5zQ1FrHLfJ8TCz5zssYKnlzzlvSmx9NFQQRxDR5Gcpfakb0qCYLcyU8pqFL+8DH0ZmNwHs a4vpZeJ0b9ruWGSt8ADnc7Iw8a6nS0IXlokx+ITejOzs77C8LSoLI/+b/ke1Iuc27MblelcPPhH bPDN2r3aQWkJliQekY9790jbT/u8nwj7I7BNiqx3eg2ydTdn2qFWy742CC5121ivLaXqdrZawUe bePNI3HkAxN3t9sT5Rg== X-Proofpoint-GUID: -00U0kjpJCAw_Hl9-JPIjyMFBLAJl8h2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-07_04,2026-04-07_05,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 bulkscore=0 impostorscore=0 suspectscore=0 spamscore=0 clxscore=1015 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604070176 On 4/5/2026 2:33 AM, Akhil P Oommen wrote: > This series adds the necessary Device Tree bits to enable GPU support > on the Glymur-based CRD devices. The Adreno X2-85 GPU present in Glymur > chipsets is based on the new Adreno A8x family of GPUs. It features a new > slice architecture with 4 slices, significantly higher bandwidth > throughput compared to mobile counterparts, raytracing support, and the > highest GPU Fmax seen so far on an Adreno GPU (1850 Mhz), among other > improvements. > > This series includes patches that add GPU SMMU, GPU/GMU support, and a > patch to enable the GPU/GMU nodes on the CRD. Keen-eyed readers may > notice that the secure firmware property is missing. This is > intentional: The Glymur-based laptop platforms generally allow booting > Linux at EL2 (yay!), which means the zap firmware not required here. > > The series is marked as RFC because an update is required in the > gxclkctl/drm drivers to properly support the IFPC feature across all A8x > GPUs. We plan to post a separate series shortly to address this. I prefer > to merge the DT series after that series is acked, so that we retain the > flexibility adjust the DT bindings if needed. Taniya has posted it here: https://lore.kernel.org/lkml/20260407-gfx-clk-fixes-v1-0-4bb5583a5054@oss.qualcomm.com/ -Akhil > > This series is only compile tested on linux-next. But I have cherry-picked > and verified the functionality on a downstream tree which is pretty close > to upstream. Also, there is a dtb-check error for the adreno smmu node. I > will fix that in the next revision. > > Signed-off-by: Akhil P Oommen > --- > Akhil P Oommen (3): > dt-bindings: display/msm: gpu: Document Adreno X2-185 > arm64: dts: qcom: Add GPU support for Glymur > arm64: dts: qcom: Enable GPU & GMU on Glymur CRD > > Rajendra Nayak (1): > arm64: dts: qcom: glymur: Add GPU smmu node > > .../devicetree/bindings/display/msm/gpu.yaml | 1 + > arch/arm64/boot/dts/qcom/glymur-crd.dts | 8 + > arch/arm64/boot/dts/qcom/glymur.dtsi | 234 +++++++++++++++++++++ > 3 files changed, 243 insertions(+) > --- > base-commit: 83acad05dee54a5cff0c98dd7962e55d4c6b145a > change-id: 20260226-glymur-gpu-dt-339e5092606b > prerequisite-message-id: <20260303-glymur_mmcc_dt_config_v2-v2-0-da9ded08c26f@oss.qualcomm.com> > prerequisite-patch-id: a1fb5b7ee94995a24f6e96d1d2524e710d3a7e60 > prerequisite-patch-id: 56c830b7718129323b006e492aed9822d7c30079 > > Best regards,