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Wed, 01 Jul 2026 06:22:03 -0700 (PDT) X-Received: by 2002:a05:6102:4415:b0:729:5cd5:8cc4 with SMTP id ada2fe7eead31-73da9af5eeamr199495137.4.1782912122983; Wed, 01 Jul 2026 06:22:02 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1288dbf4b4sm274203066b.28.2026.07.01.06.22.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2026 06:22:02 -0700 (PDT) Message-ID: Date: Wed, 1 Jul 2026 15:21:59 +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 2/6] clk: qcom: negcc-nord: keep GPU2 CFG clock enabled via critical CBCR To: Taniya Das , Bjorn Andersson , Michael Turquette , Stephen Boyd , Brian Masney , Shawn Guo , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Konrad Dybcio Cc: Ajit Pandey , Imran Shaik , Jagadeesh Kona , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20260623-nords_mm_v1-v1-0-860c84539804@oss.qualcomm.com> <20260623-nords_mm_v1-v1-2-860c84539804@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260623-nords_mm_v1-v1-2-860c84539804@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 2n3I5MbdRhVyp-axG_3Kl7au-9PSFML6 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAxMDEzOCBTYWx0ZWRfXyTLTxohCJ/ip JeFmWWjF/NDotiAx4ZznyZswbumrc/hpQeIamCxEYKRBbHrfa+SXLA0pXUZEJHohrLwavJwbkAq fuyrUEYXOGq4hXQLqL0vONPGADgiWfM= X-Authority-Analysis: v=2.4 cv=JKgLdcKb c=1 sm=1 tr=0 ts=6a45147c cx=c_pps a=DUEm7b3gzWu7BqY5nP7+9g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=hEmD_o_XFUzyhzP6z_0A:9 a=QEXdDO2ut3YA:10 a=-aSRE8QhW-JAV6biHavz:22 X-Proofpoint-GUID: 2n3I5MbdRhVyp-axG_3Kl7au-9PSFML6 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAxMDEzOCBTYWx0ZWRfX0lLRzpoZKeyU eToM61EwnI2G+04IYYIR1GEWRm3/3OqZvj/qAg1ABGgxPmbfK7o+OlkIdQ5qjv3gFJpV4zDjp+f nkKLqGrYhntAqSWqxcLq0MebBvBVSYx1XoTPeQ63k8MvW/UtBx4p0z9Whinq62qaykHO1bJkVUs qrGGZ7ra9/wmqVZAxZoPAzVhRx9CMhQpIjn5UFPuDjYffwsiumJ/XoejOk1p6EVoxWFCcBYwUS0 o8GAMX9V+7cXxOhA3ZosZHE5+q+TQXO2gaMDBVkgU3982lvhqy3ltMPH5rBxVJ2R9kMNqObq9vE G2HtSHPUkSi/vOwpcyQBbzQyWO3HFgPktPbZMJfk+Q6q/Ajn0xhL6JVY8JMVaVj6Ayu4xQzXnHx YlHg645Q2A6K+6jWeO3GJ6u7SIpPy3/dUYOUgwwO/B1+VSzePdjRAYcSSwOItodJ9sP4JEoXhCw GBxwucUL9UfdX4MROsQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-01_03,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 malwarescore=0 impostorscore=0 adultscore=0 phishscore=0 spamscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607010138 On 6/23/26 12:54 PM, Taniya Das wrote: > The GPU2 CFG clock must remain enabled for correct operation and > should not be exposed as a controllable clk_branch. > > Remove the clk_branch and mark its CBCR as critical instead to > prevent unintended gating. This follows the same approach as > 'nw_gcc_gpu_cfg_ahb_clk' and aligns with other always-on clocks in > Qualcomm CC drivers. > > Fixes: a4f780cd5c7a ("clk: qcom: gcc: Add multiple global clock controller driver for Nord SoC") > Signed-off-by: Taniya Das > --- Reviewed-by: Konrad Dybcio Konrad