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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-11f2e1bb28dsm2427513c88.2.2025.12.10.15.28.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Dec 2025 15:28:37 -0800 (PST) Message-ID: <6af5945e-7d5c-4596-ac42-c5898b4c49b7@oss.qualcomm.com> Date: Wed, 10 Dec 2025 15:28:37 -0800 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 1/1] firmware: arm_scmi: Increase MAX_OPPS to 64 To: sudeep.holla@arm.com, cristian.marussi@arm.com Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, mike.tipton@oss.qualcomm.com References: <20251014073454.461999-1-vivek.aknurwar@oss.qualcomm.com> Content-Language: en-US From: Vivek Aknurwar In-Reply-To: <20251014073454.461999-1-vivek.aknurwar@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: jfiJOWRKL20xrdnscSOuyKe_1i_MI4Zt X-Proofpoint-ORIG-GUID: jfiJOWRKL20xrdnscSOuyKe_1i_MI4Zt X-Authority-Analysis: v=2.4 cv=NtrcssdJ c=1 sm=1 tr=0 ts=693a0227 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=ySjACDpaaGWjUKYOdFYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjEwMDE5MyBTYWx0ZWRfX8KDPi6Pe30JG ZpobZ56J0jahSV0O0nZmWShqahnwwyWIWYCQ4kDGFOUQSaUuHZMF1AfNTUeKYeLh43l07NRhUuk aoP3QbCjLuRjeFyXI3YSq8OG9Lu6aqKkVDNEVacfEflvv08Ll+pDC0ujsQLlKiRT79/mip+DByH 4jd2+++yUhDbPkd/qoGzESZ91MnTl04id+xjO/u6QhIKqbDQPjoDLyOSLof5xytOaNCTo+kHw1d YQzfNMsuRPjj00SGDY1DhysaxN7XtSQH4dK5By4keI+I8LmhEJj87zcATKFtR5JLvXvHC6tkYtS t/PrRO8f8fS6IIMmdTBljp+zg0SkcKsbkwQZQYBhIGXqjRegZC5OAtda72QtlNQcFFexTThonO6 093LCP9KJkGKB5Rweog49ooGcoBcCg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-10_03,2025-12-09_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 malwarescore=0 bulkscore=0 priorityscore=1501 clxscore=1015 suspectscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512100193 Hello Sudeep/Cristian, Just following up on this patch. If there’s anything missing or needs adjustment, please let me know. Thanks, Vivek On 10/14/2025 12:34 AM, Vivek Aknurwar wrote: > Some upcoming SoCs define more than 32 operating performance points (OPPs), > exceeding the current SCMI protocol limit. Increase MAX_OPPS to 64 > (next power of 2) to support these configurations. > > Signed-off-by: Vivek Aknurwar > --- > drivers/firmware/arm_scmi/perf.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c > index 683fd9b85c5c..2249ef7fe790 100644 > --- a/drivers/firmware/arm_scmi/perf.c > +++ b/drivers/firmware/arm_scmi/perf.c > @@ -27,7 +27,7 @@ > /* Updated only after ALL the mandatory features for that version are merged */ > #define SCMI_PROTOCOL_SUPPORTED_VERSION 0x40000 > > -#define MAX_OPPS 32 > +#define MAX_OPPS 64 > > enum scmi_performance_protocol_cmd { > PERF_DOMAIN_ATTRIBUTES = 0x3,