AMD is barely trying. The 395+ Max Strix Halo was launched January 2025.
gfx1151 was not listed in the ROCm compatibility matrix for ROCm 7.2.4 [0]. This is the previous version of ROCm.
It's only finally received support in ROCm 7.14.0 [1]! It literally just started receiving support last week.
[0] https://rocm.docs.amd.com/en/docs-7.2.4/compatibility/compat...
[1] https://rocm.docs.amd.com/en/docs-7.14.0/compatibility/compa...