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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwOTMwMDA0MSBTYWx0ZWRfXxYBYfkyyE44A 2dWkJychScClxDE5p4BgFmsRxm5ssGEc3eVFMU1z3h+5/G8gmMwPtgAPZYrOfJtZlmtCNlR9Qmy Lx+EkKYM86bWm/lkcMUF+ON1sRnEsSE= X-Proofpoint-ORIG-GUID: mwDfohzbnVtWbvUtQasKauzkGDLrfhtk X-Authority-Analysis: v=2.4 cv=VrC2kO2n c=1 sm=1 tr=0 ts=6abce554 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=4BULcDCo1EIeXDFKsSoA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-GUID: mwDfohzbnVtWbvUtQasKauzkGDLrfhtk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTMwMDA0MSBTYWx0ZWRfXyLzVF4LMnCib 5mhEncT65IjG5sqm1O3merxjgaYshn7oRM3eed/Vq8h6ivu0NYEIm5IN+qmZDhx23kSP34sjQlW kyQmYtNX8CNgPlSReZyV0/QlAjhfufxD9X4/QrkPIgeZe+TVnxce90ylL+N20uG1IdeTQEwK4Hs cT5n759pkKy6wb/hJNvApQV+SE2qYoC35czL3YRySMg423R2vU47y56PKbn+H2tYGroFod7HLZ6 prHkooEZnOH8glwLmCLxH/TYKLpDemlQwQGEoLmwVWw1f8TXUPvHKDiH0QzWP9ce+TUgxv10Dsk UPXwnTuv+aq71SriE0fU/gipKgj4FAGMZi7IKmR/m6/ZyKfIG4r6tt2W/3Vly8XCn9N6IAfS9sI irECzmyC+k6NGjlcvzP4CN1Bl4YImdgl45eouO9bBx4FO4OMkQOKXUemwbZfBgwSpeO2V7Up7Gj SSJolYvmTyhLEwwWDOw== 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 spamscore=0 adultscore=0 impostorscore=0 clxscore=1015 malwarescore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 phishscore=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 8:34 AM, Vikash Garodia wrote: > The VPU issues DMA through several SMMU streams, and the hardware does > not give every stream the same addressable range. The non-pixel stream > cannot address the low 600MB of IOVA space, while the pixel stream can > address the full range: Reviewed-by: Konrad Dybcio Konrad