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system: allow using vidmem for uc mem (#13104)

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nimlgen
2025-11-05 19:12:59 +08:00
committed by GitHub
parent 8119d9f082
commit 757ceab2a2
1 changed files with 1 additions and 1 deletions
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tinygrad/runtime/support/system.py
+1 -1
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@@ -252,7 +252,7 @@ class LNXPCIIfaceBase:
def alloc(self, size:int, host=False, uncached=False, cpu_access=False, contiguous=False, force_devmem=False, **kwargs) -> HCQBuffer:
# NOTE: logic on macos is different, since bar is small
should_use_sysmem = host or (((uncached or cpu_access) if OSX else (uncached and cpu_access)) and not force_devmem)
should_use_sysmem = host or ((cpu_access if OSX else (uncached and cpu_access)) and not force_devmem)
if should_use_sysmem:
vaddr = self.dev_impl.mm.alloc_vaddr(size:=round_up(size, mmap.PAGESIZE), align=mmap.PAGESIZE)
memview, paddrs = System.alloc_sysmem(size, vaddr=vaddr, contiguous=contiguous)