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authorArthur Hanson Rasmusson <arthur@vgpu.io>2026-10-07 10:19:13 -0400
committerArthur Hanson Rasmusson <arthur@vgpu.io>2026-10-07 10:19:13 -0400
commitbfbe85f50f5243e601d98fe40b43e364c3e8901f (patch)
tree755674d61d8c3e739b8d5d573925cce7e17cc7fb /tools
parentea9130180949fd72eca534e4f5a83336ad7e5d4a (diff)
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vgsp: m76 - R2 lane tail (TSG PREEMPT bWait + device-sched off + perf boost)
The real client's context-creation tail after the lane-enable trio is #1073 NVA06C_CTRL_CMD_PREEMPT on the TSG with bWait=1, #1075 NV0080 device-sched disable, #1077 PERF_BOOST_SET_2X. The explicit preempt makes the RM perform a clean context save/switch-out at setup time so the first dispatch loads the context normally; without it our lane's context sits loaded from the ladder and task activation ends in a save/unload instead of execution (m72/m73/m75 signature). Gated by gsp_phys_rmcall_gr_lane_tail (default 0).
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