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Fri, 17 Apr 2026 08:37:07 -0700 (PDT) X-Received: by 2002:a17:902:f788:b0:2b2:d126:4e77 with SMTP id d9443c01a7336-2b5f9eaea76mr40170805ad.11.1776440227220; Fri, 17 Apr 2026 08:37:07 -0700 (PDT) Received: from [10.206.105.200] ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b5fa9ff390sm23819975ad.9.2026.04.17.08.36.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 Apr 2026 08:37:06 -0700 (PDT) Message-ID: Date: Fri, 17 Apr 2026 21:06:58 +0530 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 From: Vishnu Reddy Subject: Re: [PATCH 09/11] media: iris: Add support to select core for dual core platforms To: Konrad Dybcio , Bryan O'Donoghue , Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joerg Roedel , Will Deacon , Robin Murphy , Bjorn Andersson , Konrad Dybcio , Stefan Schmidt , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev References: <20260414-glymur-v1-0-7d3d1cf57b16@oss.qualcomm.com> <20260414-glymur-v1-9-7d3d1cf57b16@oss.qualcomm.com> Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: UVNIqVJGAplSu0QCzNM6nVMndwIs2OKS X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE3MDE1NyBTYWx0ZWRfX+i48v/G1LIjl tSDmx5SqBotiVmNsz0HKymLanCTykRyFxPbeVky8rAEn73dH9fgl9ySgdDHGUO3BRIt9+0BY5kJ 3FhykvcWEsuvFEv2bk2P4e+0KW56/XlGUEi8h1G+mGf6rOmI0sf4HMi5wRqwJRpgXPaqBw+i4S6 SCYFLepAuhKkNMWde+cVhCh3z3TkGeoHO+CdjHmevYp6ONsmCQdZVAYGK7CFg5MrybX7YF0QrWs bjEmDw1CjlKoQsaIudF3gZWuUxulhQr61rgPN2nUisJ7sBTm8xmUl4jYXJ8VSRzPj9IuzE/s1oP UcDFC2Wj6RzKp/99kTsSVG2Hyb/T1O0t1qEi3ivsmyNQYdlra+g+NF0O1hpTiej2wrZBTs7OkC1 vY89yCNwDRLcZodWr+w5tkqB0JkcE7EaWFo4XIeVlyy+wmvEr9Qz8+nsL+8JhehQKKfq4KCoVZK w22guSg//vQq3dQiOIg== X-Authority-Analysis: v=2.4 cv=GN041ONK c=1 sm=1 tr=0 ts=69e253a4 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=039WMPxP2uN8QpXWscsA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: UVNIqVJGAplSu0QCzNM6nVMndwIs2OKS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-17_01,2026-04-17_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 spamscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 bulkscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604170157 On 4/14/2026 3:21 PM, Konrad Dybcio wrote: > On 4/14/26 7:00 AM, Vishnu Reddy wrote: >> Select the hardware core (vcodec) for a session, based on load when the >> platform supports dual vcodec cores. Assign the session to vcodec if its >> MBPF/MBPS capacity allows it, otherwise assign to vcodec1. Communicate >> the selected vcodec core to firmware using new HFI_PROP_CORE_ID property. >> >> Signed-off-by: Vishnu Reddy >> --- > [...] > >> + if (core_mbpf[0] + new_mbpf <= max_core_mbpf) >> + inst->core_id = BIT(0); >> + else if (dual_core && core_mbpf[1] + new_mbpf <= max_core_mbpf) >> + inst->core_id = BIT(1); > Let's store the core ID as an index and only wrap it in BIT() where > necessary to pass into the firmware For the current instance, I'm marking the inst->core_id = 0 at initial to skip that current inst for the calculation of current load. If we store index in core_id, then need to pass the current inst to iris_get_core_load() and additional check required in that function for proper core load. Thanks, Vishnu Reddy. > Konrad