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drm/xe: Add xe_ggtt_might_lock

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Another requirement of hiding more of struct xe_ggtt.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250505121924.921544-3-dev@lankhorst.se
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
This commit is contained in:
Maarten Lankhorst 2025-05-05 14:19:15 +02:00 committed by Maarten Lankhorst
parent 3975d35683
commit b5fe33dcb8
3 changed files with 15 additions and 1 deletions
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2
drivers/gpu/drm/xe/xe_bo.c
View File

@ -3076,7 +3076,7 @@ void xe_bo_put(struct xe_bo *bo)
#endif
for_each_tile(tile, xe_bo_device(bo), id)
if (bo->ggtt_node[id] && bo->ggtt_node[id]->ggtt)
might_lock(&bo->ggtt_node[id]->ggtt->lock);
xe_ggtt_might_lock(bo->ggtt_node[id]->ggtt);
drm_gem_object_put(&bo->ttm.base);
}
}

7
drivers/gpu/drm/xe/xe_ggtt.c
View File

@ -176,6 +176,13 @@ static void ggtt_fini(void *arg)
ggtt->scratch = NULL;
}
#ifdef CONFIG_LOCKDEP
void xe_ggtt_might_lock(struct xe_ggtt *ggtt)
{
might_lock(&ggtt->lock);
}
#endif
static void primelockdep(struct xe_ggtt *ggtt)
{
if (!IS_ENABLED(CONFIG_LOCKDEP))

7
drivers/gpu/drm/xe/xe_ggtt.h
View File

@ -39,4 +39,11 @@ u64 xe_ggtt_print_holes(struct xe_ggtt *ggtt, u64 alignment, struct drm_printer
void xe_ggtt_assign(const struct xe_ggtt_node *node, u16 vfid);
#endif
#ifndef CONFIG_LOCKDEP
static inline void xe_ggtt_might_lock(struct xe_ggtt *ggtt)
{ }
#else
void xe_ggtt_might_lock(struct xe_ggtt *ggtt);
#endif
#endif