drm/xe: Add ULLS support to LRC

Define memory layout for ULLS semaphores stored in LRC memory. Add
support functions to return GGTT address and set semaphore based on a
job's seqno.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Maarten Lankhorst <dev@lankhorst.se>
Link: https://patch.msgid.link/20260925201526.1355279-19-matthew.brost@intel.com
This commit is contained in:
Matthew Brost 2026-09-25 13:15:20 -07:00
commit 1ccf79cbed
3 changed files with 81 additions and 0 deletions