drm/xe/vf: Replay GuC submission state on pause / unpause

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Fixup GuC submission pause / unpause functions to properly replay any
possible state lost during VF post migration recovery.

v3:
 - Add helpers for revert / replay (Tomasz)
 - Add comment around WQ NOPs (Tomasz)
v7:
 - Only fixup / replay parallel queues once (Testing)
 - Skip unpause step on queues created after resfix done (Testing)

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Tomasz Lis <tomasz.lis@intel.com>
Link: https://lore.kernel.org/r/20251008214532.3442967-27-matthew.brost@intel.com

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This commit is contained in:

Matthew Brost 2025-10-08 14:45:24 -07:00

parent 7c4b7e34c8

commit c25c1010df

7 changed files with 295 additions and 32 deletions

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27

drivers/gpu/drm/xe/xe_gpu_scheduler.c

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8

drivers/gpu/drm/xe/xe_gpu_scheduler.h

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1

drivers/gpu/drm/xe/xe_gt_sriov_vf.c

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15

drivers/gpu/drm/xe/xe_guc_exec_queue_types.h

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271

drivers/gpu/drm/xe/xe_guc_submit.c

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1

drivers/gpu/drm/xe/xe_guc_submit.h

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4

drivers/gpu/drm/xe/xe_sched_job_types.h

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