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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9d6e7c8a78sm384964866b.50.2026.04.14.02.51.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Apr 2026 02:51:27 -0700 (PDT) Message-ID: Date: Tue, 14 Apr 2026 11:51:24 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 09/11] media: iris: Add support to select core for dual core platforms To: Vishnu Reddy , 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 From: Konrad Dybcio In-Reply-To: <20260414-glymur-v1-9-7d3d1cf57b16@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: wgDeoM68cRGhlVHTmsyu0_jYea_AbabY X-Authority-Analysis: v=2.4 cv=RoH16imK c=1 sm=1 tr=0 ts=69de0e21 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=LyQ9poKqOzz0K_9SBp8A:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE0MDA5MiBTYWx0ZWRfX2iO278lxWPur 7QsAaqyDEEowKrZyTwUl7npZ7HlQpTR6CXIrjA79JElnvpzs/ktCR1jGunfmTnFP8SQyl7iyK6A 9KlJWLOyhuDsWuFS5l2v31XEjx75Af6oDy1ifE/xNhI1le83rzQVInpE6AC8WeI9jTPbYvFs57P Qx0E5r1EaLcMtriPvb+QhKtGKT1Qh+lTHcrvOGdLDR+P5ndoaZP8g8J47S7fSBym2D3L65OUIQ4 COlKEER1U68Lt80ro2iKhFTGSqaiTVeQnem3OM43i5aINeHqTFuRFXA+yASeZcXhDRmRup0vT0I m61jnCJ1IPEB9J9S5Eq16GGJBAM0vbPYqOXz+HeUr05mCJ/oUvM9c1Vjc3dGswghViBFI3F/XA9 41NvKCiwdDimsoEEtQtazYpsHFqRjEeAYjFmV+H8gUILIxlvXMS3UY911vf6L4NepwVTSY+8X4G /pJi4aCKZ4ZdgT/fEpA== X-Proofpoint-GUID: wgDeoM68cRGhlVHTmsyu0_jYea_AbabY 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=2026-04-14_02,2026-04-13_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 spamscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 phishscore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604140092 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 Konrad