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Mon, 26 Oct 2026 02:52:20 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c46bd7984e9sm296717366b.74.2026.10.26.02.52.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Oct 2026 02:52:20 -0700 (PDT) Message-ID: <5d732b4e-4558-41d3-8c89-a2218c93d108@oss.qualcomm.com> Date: Mon, 26 Oct 2026 10:52:16 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/8] drm/msm/a6xx: Fix stale boot up BW vote To: Akhil P Oommen , Rob Clark , Sean Paul , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Jordan Crouse , Neil Armstrong , =?UTF-8?Q?Christian_K=C3=B6nig?= , Luben Tuikov , Antonino Maniscalco Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Jie Zhang , stable@vger.kernel.org References: <20261024-assorted-fixes-oct-v1-0-2977f974ddb7@oss.qualcomm.com> <20261024-assorted-fixes-oct-v1-3-2977f974ddb7@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261024-assorted-fixes-oct-v1-3-2977f974ddb7@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: q2Q3NusGlLduoXNc04eQ0AM8YK5ciPZE X-Proofpoint-GUID: q2Q3NusGlLduoXNc04eQ0AM8YK5ciPZE X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDI2MDAzOSBTYWx0ZWRfX7Dejl0tOTDHq LwrkIcsu9Qem/nnWr8vuWyt3C/59qbk3foRj6KPNKfrYQYRROMi4gy9hJIioUGEBW54XD8RuYRH 4SImJffYqCc4w66OQR7gCFJSSUX3oYk7qsaCw9DlfUpS22ut9X9GQLUD3pprfmsth2eEjHBqRej ZnC4TRL6ng4uVDObV/KVCzcjav83oTi/dtiKw2QcJkE0JZFSq/a6CTqvExAEVM6UuEWdGn/l2iy 7te+fzZz6NcQ+rcb947KZyEP7QT/ulJmM/daxMGipw/DrqdCGVpRr8FI0S8+6qcIAjeUmEhjUf9 HZZC90EuB1gCmzGTYa2bmx91GzYUSTFcy2GBZOeFo6fHoL9LqCamdmNAp9U5fyWsY4BCILbqmde crmKeFVL+w1FYx47tmdc6qmPw6yPSTTX3Wlc/mYL6SZiM7oAlp6rrP7coETwUOl72VLuRtKqZy8 I6MZThi2y65cIrqxw4Q== X-Authority-Analysis: v=2.4 cv=N8+8hG9B c=1 sm=1 tr=0 ts=6adf22d5 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=VwQbUJbxAAAA:8 a=1Jnm8Am4PKJ2EhgLYOkA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDI2MDAzOSBTYWx0ZWRfX/61lm5jZy/UE 9/JO/cKkGIU9v/9SVksRRDtU2kWt5X7GyOv4gKsM9b1gQxVSjsuEXPlU2zPN5hl90IvKczWuY2a 8MtU3DGMY3zJxnPYpSEFd603/56QDx0= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-26_01,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 priorityscore=1501 adultscore=0 bulkscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610260039 On 10/24/26 12:30 PM, Akhil P Oommen wrote: > From: Jie Zhang > > An initial bus bandwidth is voted during boot to bring up the GMU. In GPUs > where the GMU drives bandwidth scaling, this boot-time BW vote is > redundant and can be removed. > > Fixes: 7047e655a567 ("drm/msm: adreno: find bandwidth index of OPP and set it along freq index") > Cc: stable@vger.kernel.org > Signed-off-by: Jie Zhang > Signed-off-by: Akhil P Oommen > --- Acked-by: Konrad Dybcio Konrad