drm/xe: keep pulling mem_access_get further back

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Lockdep is unhappy about ggtt->lock -> runtime_pm, where it seems
to think this can somehow get inverted. The ggtt->lock looks like a
potentially sensitive driver lock, so likely a sensible move to never
call the runtime_pm routines while holding it. Actually it looks like
d3cold wants to grab this, so perhaps this can indeed deadlock.

v2:
 - Don't forget about xe_gt_tlb_invalidation_vma(), which now needs
   explicit access_get.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

...

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Matthew Auld 2023-05-24 18:56:54 +01:00 • committed by Rodrigo Vivi

parent 565ce72e1c

commit 3af4365003

2 changed files with 12 additions and 4 deletions

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6

drivers/gpu/drm/xe/xe_ggtt.c

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10

drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c

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