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Tue, 07 Apr 2026 12:26:31 -0700 (PDT) X-Received: by 2002:a17:903:2c05:b0:2b2:5840:809c with SMTP id d9443c01a7336-2b281828136mr193199525ad.1.1775589990639; Tue, 07 Apr 2026 12:26:30 -0700 (PDT) Received: from [192.168.1.8] ([106.222.229.237]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b27478b658sm194467505ad.31.2026.04.07.12.26.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Apr 2026 12:26:30 -0700 (PDT) Message-ID: <6ca53b3e-bad7-44ea-8bbf-d35514262b7c@oss.qualcomm.com> Date: Wed, 8 Apr 2026 00:56:21 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC v2 0/6] Add support for Adreno 810 GPU To: Alexander Koskovich Cc: Luca Weiss , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Bjorn Andersson References: <20260402-adreno-810-v2-0-ce337ca87a9e@pm.me> From: Akhil P Oommen Content-Language: en-US In-Reply-To: <20260402-adreno-810-v2-0-ce337ca87a9e@pm.me> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA3MDE3NiBTYWx0ZWRfXxk8jngL5IvYp vfrDYH9hFHxpNFgJoQgsrO4ELxoQPIk/l+GdXPuNd9mfKGk/EMGbH+oGEPJVPEbXibm7GNQYWpw KN9A5NU+Y5Cku/CRFMQ02LrzwC2JF1uJ34EgzG7HNA0bSPaaqMlFvaPDDkYn3w2E/6QPe+NdEG6 ESJsR1OoPJKjxdtF62CCJP7kco2tuES8i753Jg0utKojPYj2Bak6JjItF2bGH0WBYYCNc4Qr3RI b3//ikXTalHp3yDmf0RDX3fC6GWhmrnBTF0kPoxmPCJISTWnC1/PZfSqB6fhuXzHnSFTIdIccRN Ig2N1PZWy2uhE4kertObInHWwg6Yjz0s4oapr7opRo7l9msyBQVDMw202tNx4pVTJbhsDLe8da2 bbahtiafSewUJ9sEQDyY84YGmZy7/Khu6dlJJTxcnSdKAcQlNaVputVTQhIUvkmFMvTS/nQLwG8 U0F2KNWvFjp1P2ePo0Q== X-Proofpoint-ORIG-GUID: teDpnA6JAa-TCEKUUsL1Dwn78i7CnNoE X-Proofpoint-GUID: teDpnA6JAa-TCEKUUsL1Dwn78i7CnNoE X-Authority-Analysis: v=2.4 cv=DcInbPtW c=1 sm=1 tr=0 ts=69d55a68 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=yx91gb_oNiZeI1HMLzn7:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=6H0WHjuAAAAA:8 a=6HAHnblGeAPFfXcocwYA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 a=Soq9LBFxuPC4vsCAQt-j:22 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 adultscore=0 clxscore=1015 spamscore=0 phishscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604070176 On 4/3/2026 4:38 AM, Alexander Koskovich wrote: > Adreno 810 is present in the Milos SoC and is the first GPU to be released in > the A8x family. > > Note that the OPP table is limited to 1050MHz to start with as the only Milos > device I have is limited to that speed in GPU_CC_FREQ_LIMIT_VAL. > > This series is marked as RFC because it depends on a couple other in review > series, batch 2 for A8x [1] and the GXCLKCTL block for Milos [2]. > > There is also currently an issue on Milos with gx_clkctl_gx_gdsc being stuck on > during runtime PM [3]. The proper fix is to only toggle the GX GDSC during GMU > recovery, as the firmware manages it in all other cases. This is the same issue > seen on SM8750 and is being worked on by Qualcomm. Right now I am just working > around this locally by not collapsing the GX GDSC during runtime suspend. This fix is posted here: https://lore.kernel.org/lkml/20260407-gfx-clk-fixes-v1-0-4bb5583a5054@oss.qualcomm.com/ Please mark you series as dependent on this. -Akhil > > [1]: https://lore.kernel.org/linux-arm-msm/20260327-a8xx-gpu-batch2-v2-0-2b53c38d2101@oss.qualcomm.com > [2]: https://lore.kernel.org/linux-arm-msm/20260306-milos-gxclkctl-v1-0-00b09ee159a7@fairphone.com > [3]: https://lore.kernel.org/linux-arm-msm/5409e13e-280c-47b6-a29f-351cb609bc6f@oss.qualcomm.com > > Signed-off-by: Alexander Koskovich > --- > Changes in v2: > - Mark as RFC due to dependency on in-review changes > - Explain in DTS commit why qcom,kaanapali-gxclkctl.h and not qcom,milos-gxclkctl.h > - cx_mmio -> cx_misc_mmio > - Sync a810_nonctxt_regs with GRAPHICS.LA.14.0.r5-03100-lanai.0 > - Link to v1: https://lore.kernel.org/r/20260331-adreno-810-v1-0-725801dbb12b@pm.me > > --- > Alexander Koskovich (6): > dt-bindings: display/msm/gmu: Document Adreno 810 GMU > drm/msm/adreno: rename llc_mmio to cx_misc_mmio > drm/msm/adreno: set cx_misc_mmio regardless of if platform has LLCC > drm/msm/a8xx: use pipe protect slot 15 for last-span-unbound feature > drm/msm/adreno: add Adreno 810 GPU support > arm64: dts: qcom: milos: Add Adreno 810 GPU and GMU nodes > > .../devicetree/bindings/display/msm/gmu.yaml | 32 +++ > arch/arm64/boot/dts/qcom/milos.dtsi | 148 +++++++++++ > drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 271 +++++++++++++++++++++ > drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 8 +- > drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 44 ++-- > drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 14 +- > drivers/gpu/drm/msm/adreno/a8xx_gpu.c | 11 +- > drivers/gpu/drm/msm/adreno/adreno_gpu.h | 5 + > 8 files changed, 493 insertions(+), 40 deletions(-) > --- > base-commit: 128d2eccd20bd74fd104b412d949d869aa48f108 > change-id: 20260330-adreno-810-5a47525522cd > > Best regards,