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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-media@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-Spam-Details-Enc: AW1haW4tMjYwNDE0MDA5MiBTYWx0ZWRfX6mNl0ZX1S5m8 gVt2idRRJ8cPUuoUQi4goMOzFdgMUvV+g3ccSW8AHOTqqCJomnXVU8LDbI0+CfiO9K0eSvUESYC XbHIT6e3WEQ3RT+WRBVKv5GWC/vvB7jACGMIP7Gp0K85vLf6RfM4Gl74FT+FmqIjTCx9+TEyc/k 6gVTmfqK0rxAFJM+EN/2wKm/AHQjzxxZnnWajwwPX6Ei6MSRPZDSvvGFOTTHe/Ij1cB0jo3tcEx thao1hfOjCSiitNztBSYxC54dF/5L1biK0e8o0RwSmKhvK4DsL/+GvSHxRdetsX9NsVdzKl6+zp iWPAb7qo1IZ+uRpRfvoSgphKZnvaoszfeUk4edqYKreGeSaH3fGGhVaDbp20Oj98U7ulCaxQm0/ kSJBx+oDfw2Y2P+spKK229WdsgfjyjthB2JaS6C1Hg+Mbjuu/JglSZOUJyG0BSd+CQt4SjqXefG TBLmCJrfpN8AAPudCpQ== X-Authority-Analysis: v=2.4 cv=MahcfZ/f c=1 sm=1 tr=0 ts=69de0e21 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=LyQ9poKqOzz0K_9SBp8A:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-ORIG-GUID: LZPDuKdjx_U_wA6Nx53unj2TP1sCpGW2 X-Proofpoint-GUID: LZPDuKdjx_U_wA6Nx53unj2TP1sCpGW2 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 bulkscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 priorityscore=1501 phishscore=0 suspectscore=0 malwarescore=0 spamscore=0 clxscore=1015 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