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Thu, 07 May 2026 08:42:37 -0700 (PDT) X-Received: by 2002:a17:903:4b0d:b0:2ba:4749:c9af with SMTP id d9443c01a7336-2ba79ad0c52mr82609665ad.40.1778168556426; Thu, 07 May 2026 08:42:36 -0700 (PDT) Received: from [10.206.103.12] ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2bae75575d4sm1173565ad.19.2026.05.07.08.42.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 07 May 2026 08:42:36 -0700 (PDT) Message-ID: Date: Thu, 7 May 2026 21:12:28 +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 v2 2/4] dt-bindings: arm-smmu: Update the description for Glymur GPU SMMU To: Krzysztof Kozlowski , 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 References: <20260501-glymur-gpu-dt-v2-0-2f128b5596bb@oss.qualcomm.com> <20260501-glymur-gpu-dt-v2-2-2f128b5596bb@oss.qualcomm.com> From: Akhil P Oommen Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=TJB1jVla c=1 sm=1 tr=0 ts=69fcb2ee cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=u5UU4oGBB7bzvuaK6rwA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA3MDE1NiBTYWx0ZWRfX8f4W2w5Xhg+y D2ARbQSmNheKHHZUc1ndddEP0LRcQRwIG4N1dze0R1AH+UcPZNmIa6zW6PvhTHL25zidWYh1+/F 0MrD6uRxXkp6Qzo4iR18/Y5zbPfo3uo7VXYiByUTNsy6PGLrdlLYncltzxDVIUAa92NajBgGx// 1ICrIzfGDkFAaHdKektp2OEb+EpDelFfASBAD//0uekapLIK53ClXO2rnBxUCOk0Z5R/Y0Y6ku1 v/eftN2nqkShsJfcrs2fQ4tCFeSukBaYyuscomYaNboR1kxSLSd37VS0Tx5iQJr+oQA45iAUZyv z1IlMrne8Cp/uRWhEy/dkm9K4CL3XDsShR7NhAA1w6hi+GSxMRP7QWC2dqjX1etdUUo6J3v0JiR SqFZwSh7wGRsWpJSmjl9cOKsS8r7jyrReFOsEi6+YY8kTtz9xe/UfPPbd6TWPbydjfg66GhpR/w sWvZx/5clJJZx81RZvA== X-Proofpoint-GUID: QRMB8b5j3i66PQhAmpytaYvDD_9QlNbG X-Proofpoint-ORIG-GUID: QRMB8b5j3i66PQhAmpytaYvDD_9QlNbG 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=2026-05-07_01,2026-05-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 malwarescore=0 impostorscore=0 bulkscore=0 phishscore=0 priorityscore=1501 adultscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605070156 On 5/3/2026 7:44 PM, Krzysztof Kozlowski wrote: > On 01/05/2026 19:10, Akhil P Oommen wrote: >> Add the interconnects property to the common SMMU properties and extend > > But why? And why SDX55 (or any other device) has it for example? I don't know the reason why this property is used in the recent chipsets. Most likely a recommendation from HW folks to address some stability issues. I need to dig the history. I just realized that this property doesn't have a user on the smmu driver side. I think we should drop this property from DT for now and bring it in a separate series along with the smmu driver support. -Akhil. > >> the sm8750 clock description section to also cover Glymur since it uses >> the same single "hlos" vote clock. >> >> Signed-off-by: Akhil P Oommen >> --- > > > Best regards, > Krzysztof