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Mon, 06 Jul 2026 15:00:28 -0700 (PDT) X-Received: by 2002:a05:6a20:6a0e:b0:3bf:a0e5:99a5 with SMTP id adf61e73a8af0-3c08ef84c1amr2736318637.47.1783375228354; Mon, 06 Jul 2026 15:00:28 -0700 (PDT) Received: from [192.168.1.9] ([106.222.230.254]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-13b659c8665sm693268c88.10.2026.07.06.15.00.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Jul 2026 15:00:27 -0700 (PDT) Message-ID: <10e4f102-3dc9-4fb9-a6ba-2dfc23a16df3@oss.qualcomm.com> Date: Tue, 7 Jul 2026 03:30:18 +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: [RFC PATCH 00/13] Enable LPAC on a7xx series GPUs To: Dmitry Baryshkov , Anna Maniscalco Cc: Rob Clark , Will Deacon , Robin Murphy , Joerg Roedel , Sean Paul , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , iommu@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org References: <20260705-descriptive-name-lpac-upstream-v1-0-01d50c3e0c99@gmail.com> From: Akhil P Oommen Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: f1MLA8arEi7yEu0z2uInnLVW8S4AIwPq X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDIyMiBTYWx0ZWRfXyCzj8DNT8Ois /ElvpvyNl9K7EpFCVKHh1TZmhn/uxS/3Oyqq7g11WY+Kf5ibJgbdv5nh4hcvva3h9aC9JYIRlED bdEHpu7ikdX4j8CSboy5UYYWiCd2rPw= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDIyMiBTYWx0ZWRfX2AkWPhJmVBQ0 KnaNWer9gsOgmw5BramH/Gs6UPSzmDxYwAt4leQ7yLqrvn+XggX27DStpUdEoACW3ZuF/dHMToE lteh19xY7gZo6ksNJDbKnWrfZvCD4vFuqLc3tcVZ4ax2aKWH40yoyC+q4XA1JISHdUq4kO6OX3y hBm5h8kbggn+uVDCjsA0kPVHgGe38z81OfakME7CGEE8QjEv0LfXAOBP8f0ubno1ACACzkk35DF HTlv0JDUjvsNI362AssznGztd4B+kjTZNap2cQghgejPRKvg/55DL/iKVDIB/Y9QNGo7TR+Kx9G xmBEAt85ZsMCydgFD76SRlfaEKHn6huTeQYTAL1+w0SURTRHhD59xyKg+2e3v5NN1Z9xrb0gg8T qMDYAwI4d3BH5FHVYz5bhcax9FePkCwucjMVKYsjYzfADQl2dlAxY+C7MgcxYfi3F48aDjuHa0y b9ollkPEAiQbDYCwEpg== X-Proofpoint-GUID: f1MLA8arEi7yEu0z2uInnLVW8S4AIwPq X-Authority-Analysis: v=2.4 cv=GulyPE1C c=1 sm=1 tr=0 ts=6a4c257d cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=fsdq8dFr2Uux402FS9br8A==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=TH67rrwzn_JHXtltAFAA:9 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-06_03,2026-07-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 clxscore=1015 malwarescore=0 impostorscore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060222 On 7/6/2026 8:27 PM, Dmitry Baryshkov wrote: > On Sun, Jul 05, 2026 at 09:13:34PM +0200, Anna Maniscalco wrote: >> This series enables LPAC on a7xx GPUs > > What is LPAC? Please explain (or at least expand it once) it here and in > the first commit goes to each subsystem Low Priority Async Compute. -Akhil. > >> >> Currently hangcheck and recovery are broken as the patches to make them >> work depend on https://lore.kernel.org/linux-arm-msm/20250911-preemption_aware_hangcheck-v1-0-974819876819@gmail.com/ >> >> The series also depends on https://lore.kernel.org/linux-arm-msm/177919116291.814652.1720687887970998122.b4-ty@kernel.org/ >> to work correctly. >> >> Signed-off-by: Anna Maniscalco >