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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTMwMDA0MiBTYWx0ZWRfXyjhNRr0ljaOR 5s58XSmZFNMx4dkwiQxupglX7lR96PfoiNoGMW1C1d2mU0aUR5bOE93ZT89v6OKbtHLJsE+E9mj A+4CbZeKpA0qf/VX7CPCU0E1GhCojV8ZH+WhhXFSx3Vvg/1xu9t0FnlggW6EbEkvNEeM6Z1m9EP BsI9Nc3FRCgHbN+FQ71yenDNw8715EGo0wjstVxZ9HWKfMZ1sodn+r2H6ED1eVSqp6gQAiWMyOj Qh524JR7V/pePAdqn25/va5IOr+p60Vn2JSEgcETzDPPqeZ1KqM3db3gTCREt50UFM6bx3P6LTz aTJ0DhBLPX9OVRyzozMDT06Aar+QSZBHr9zD6YMrI2wy/jI2jgnEFcQFF2SaCIgTLJc60kI4oNG QU6zCl7wbOATP28IKOoQdcaMkyioDXDjiz5gvQyM1EYTIlMwhbLOFEATIEhiuYkL7/zqKi1bpgc NXbWoJ6SeZIsHqSpjZQ== X-Proofpoint-ORIG-GUID: ZXnN2nd-5NlVQ_nnstM3r6MYEJMmgMfe X-Authority-Analysis: v=2.4 cv=NedzRGD4 c=1 sm=1 tr=0 ts=6abce59b cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==: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=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-GUID: ZXnN2nd-5NlVQ_nnstM3r6MYEJMmgMfe X-Proofpoint-Spam-Info: AW1haW4tMjYwOTMwMDA0MiBTYWx0ZWRfXw/dxEnibhRuu 3fVylySLbw3/T13FdeyjBZY30B3LumgUKm7+3oIVXwSdxTKI6j+WD4Z/OxUcXTJ1Sh+tXwwZkc1 jVJgez8hFxhe6aY5yZ/pF8F+N0/0mV4= 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-2609300042 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