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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTMwMDA0MSBTYWx0ZWRfXycUBqoZAWAnH hZ8zK2Ioj5Q4rqYeUKKWFGJlQn8SHsFQafqBWSkB5xwYrqAIYkP+mMh7iUyuQ1CfNg6qhfEbnVd hAyS9nqQV+WXGlo1r22mUX75aK40X0UZcUhud8RUubng1sAggpNJ++SPWxPLddlvyOG3rfH2xVE XZIKgyKp3wtmh7LJpvbiKCcNi2cRvkcW5GXn8sD/qf/nfEOkma0zbhUHGa8DWjmeGKbNG4gRSYz bJdVs1k18wzGr+fG0vTytoOD3D8EpwZI5NvcLx8By1GfmjLHgGzEhXmhCq/xtbD/V50AY02wgCa unNsKgzQXup11D4DfIwQg8LjfFPjg22zvwfIFmSivVtDLFfMsijcyGHnM4AIJhCf14WggKUQ4mA Ftij00UOTYZFJQvQfmmYKwpFpOht+oroDHDvZuOJhqsFgztVXxMzJuemcchJqGrO34D31WLQzvQ 4Sn63UZiNWzUn+5xvIQ== X-Proofpoint-ORIG-GUID: maZkpONoPlLSm9eTxkfcoH6EarQU83XC X-Authority-Analysis: v=2.4 cv=NedzRGD4 c=1 sm=1 tr=0 ts=6abce59a cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=ekhMd59VzrWsTOqxRA4A:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=OIgjcC2v60KrkQgK7BGD:22 X-Proofpoint-GUID: maZkpONoPlLSm9eTxkfcoH6EarQU83XC X-Proofpoint-Spam-Info: AW1haW4tMjYwOTMwMDA0MSBTYWx0ZWRfXyTagTrcSMs6I 5h2LOteAqa9vGUOAzXQ2dRmG/gXyMdZRQi6dJjNmcud1nFU4lGUJl81kE8lmcdmLhuuHYoWNTqS 20t9L3GGG4Pj7vXAlzUhzglU5/blkRY= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-30_01,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 suspectscore=0 adultscore=0 bulkscore=0 spamscore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609300041 On 9/26/26 8:33 AM, Vikash Garodia wrote: > The VPU issues DMA through several SMMU streams, and the hardware does > not restricts specific streams with specific addressable range. The > non-pixel stream is restricted to use 0-600MB of IOVA space, while the > pixel stream can address the full range: > +-----------------------------------------------------------+ > | non-pixel stream addressable range (600 MB - 3.5 GB) | > | 0x25800000 - 0xe0000000 | > +-----------------------------------------------------------+ > | pixel stream addressable range (0 - 3.5 GB) | > | 0x00000000 - 0xe0000000 | > +-----------------------------------------------------------+ Please address all venus/iris-enabled platforms once this lands Konrad