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am: f8_mode for gfx94x only (#14620)

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nimlgen 2026-02-08 17:38:48 +03:00 • committed by GitHub
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tinygrad/runtime/support/am/ip.py
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@ -264,7 +264,8 @@ class AM_GFX(AM_IP):
self.adev.regGRBM_CNTL.update(read_timeout=0xff, inst=xcc)
for i in range(0, 16):
self._grbm_select(vmid=i, inst=xcc)
self.adev.regSH_MEM_CONFIG.write(**({'initial_inst_prefetch':3} if self.adev.ip_ver[am.GC_HWIP][0]>=10 else {'retry_disable':1, 'f8_mode':1}),
self.adev.regSH_MEM_CONFIG.write(**({'initial_inst_prefetch':3} if self.adev.ip_ver[am.GC_HWIP][0]>=10 else {'retry_disable':1}),
**({'f8_mode':1} if self.adev.ip_ver[am.GC_HWIP][:2]==(9,4) else {}),
address_mode=self.adev.soc.module.SH_MEM_ADDRESS_MODE_64, alignment_mode=self.adev.soc.module.SH_MEM_ALIGNMENT_MODE_UNALIGNED, inst=xcc)
# Configure apertures: