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Wed, 26 Aug 2026 06:11:27 -0700 (PDT) X-Received: by 2002:a05:6102:c03:b0:781:9922:78f3 with SMTP id ada2fe7eead31-782c15036c3mr955818137.2.1787749887215; Wed, 26 Aug 2026 06:11:27 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c250a88a928sm529427266b.33.2026.08.26.06.11.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2026 06:11:26 -0700 (PDT) Message-ID: Date: Wed, 26 Aug 2026 15:11:24 +0200 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] soc: qcom: smem: support Glymur DRAM info To: Gopikrishna Garmidi , Konrad Dybcio , Bjorn Andersson Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260820-topic-glymur_dramc-v1-1-f714eef34e4d@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: tSn94r6_sQXEEypptsYlD449G_UuC-Ob X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI2MDEwOCBTYWx0ZWRfXyLdjqVWdvepz tlgRAZtcgxJCoZQ3JkscJ4eP0rpPt0lUKrS0WfZ+pgAy3tm7tk653ntGsrbrMgxLHDCR1m6twwO 7NN05SZNji7CauNcslVTvg0k/5luaDbavRXxxV/5z5eGnktW/UFXC0+pgOQ9QK7GYq40Z8WyIhL lnwRpIbK4QlgS3k6k2EpVVLTka5PDr4LbZxDNUSgYbjgy28ARRZj3wEaHBnUEM+skAcwXW0P7Mo bddIIuYo6s48aKXY6iPyG05jTunn9QogEXugDvTfZzyy0hWHfBFHC9vqjxpo+x77UIBMzWzjOt2 E5BfQ9RXyWeiFm1PX0/XW3JCfPV6l+GzY+Q70/B9z3dMMGskxAgNudHdwCGmz7Mimn+s3Osngm8 TE6ELtNe322Lue499VrYnEBwxTUAC9hGS1w+7tLnCCmDRD6w2Qxr2eV/q6uArQLxlftoszCsu4e 6EJQEoQy8rZaxBxGbVQ== X-Authority-Analysis: v=2.4 cv=Xfq5Co55 c=1 sm=1 tr=0 ts=6a8ee600 cx=c_pps a=wuOIiItHwq1biOnFUQQHKA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=7917o2VdScDyYRt2bNEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=XD7yVLdPMpWraOa8Un9W:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODI2MDEwOCBTYWx0ZWRfX78ZAQh8b1duy b984ETEwL8dJtAbxeACUP/qV/HA4h34dZKKxzv0axftU231f1uiij+iFKSxZI6ggxIq+3ywma8B tQgCTCLO1IfVXujY3YC0hWQqYLMSnq8= X-Proofpoint-ORIG-GUID: tSn94r6_sQXEEypptsYlD449G_UuC-Ob 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=2026-08-26_03,2026-08-26_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 phishscore=0 suspectscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 malwarescore=0 adultscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608260108 On 8/25/26 12:24 PM, Gopikrishna Garmidi wrote: > > > On 8/20/2026 10:00 PM, Konrad Dybcio wrote: >> From: Konrad Dybcio >> >> Glymur firmware provides a version 7 DDR-info SMEM entry whose 872-byte >> layout is different from the one the driver supports today. >> >> The data contains 16 channel descriptors, 14 DDR frequency slots, four >> 4 DDR region slots, a 10-entry SHUB frequency plan, and v6 misc information. >> It accounts for 616 bytes; the captured SMEM entry has a further 256 >> zero bytes. [...] > I can send the overflow fix as a separate patch, or you can fold it in —whichever you prefer. Please send it and thanks for spotting it! Konrad