drm/amdgpu: add new INFO ioctl query for the last GPU page fault
Add a interface to query the last GPU page fault for the process. Useful for debugging context lost errors. v2: split vmhub representation between kernel and userspace v3: add locking when fetching fault info in INFO IOCTL Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23238 libdrm MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23238 Cc: samuel.pitoiset@gmail.com Reviewed-by:Christian König <christian.koenig@amd.com> Acked-by:
Guchun Chen <guchun.chen@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com>
parent
9cff0879
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