drm/xe: Hold a PM ref when GT TLB invalidations are inflight
Avoid GT TLB invalidation timeouts by holding a PM ref when
invalidations are inflight.
v2:
- Drop PM ref before signaling fence (CI)
v3:
- Move invalidation_fence_signal helper in tlb timeout to previous
patch (Matthew Auld)
Fixes:
dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240719172905.1527927-4-matthew.brost@intel.com
(cherry picked from commit
0a382f9bc5dc4744a33970a5ed4df8f9c702ee9e)
Requires:
46209ce5287b ("drm/xe: Add xe_gt_tlb_invalidation_fence_init
helper")
Requires:
0e414ab036e0 ("drm/xe: Drop xe_gt_tlb_invalidation_wait")
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>