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Add a new VM flag to indicate whether or not we need a TLB fence. Userqs (KFD or KGD) require a TLB fence. A TLB fence is not strictly required for kernel queues, but it shouldn't hurt. That said, enabling this unconditionally should be fine, but it seems to tickle some issues in KIQ/MES. Only enable them for KFD, or when KGD userq queues are enabled (currently via module parameter). Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4798 Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4749 Fixes: |
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| vga | ||
| Makefile | ||