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drm/etnaviv: Add lockdep annotations for context lock

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etnaviv_iommu_find_iova has it so etnaviv_iommu_insert_exact and
lockdep_assert_held should have it as well.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Guido Günther
2020-10-29 15:20:56 +01:00
committed by Han Gao/Revy/Rabenda
parent b6d74c3560
commit af2602ac87
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/etnaviv/etnaviv_mmu.c
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@@ -124,6 +124,8 @@ static void etnaviv_iommu_remove_mapping(struct etnaviv_iommu_context *context,
{
struct etnaviv_gem_object *etnaviv_obj = mapping->object;
lockdep_assert_held(&context->lock);
etnaviv_iommu_unmap(context, mapping->vram_node.start,
etnaviv_obj->sgt, etnaviv_obj->base.size);
drm_mm_remove_node(&mapping->vram_node);
@@ -217,6 +219,8 @@ static int etnaviv_iommu_find_iova(struct etnaviv_iommu_context *context,
static int etnaviv_iommu_insert_exact(struct etnaviv_iommu_context *context,
struct drm_mm_node *node, size_t size, u64 va)
{
lockdep_assert_held(&context->lock);
return drm_mm_insert_node_in_range(&context->mm, node, size, 0, 0, va,
va + size, DRM_MM_INSERT_LOWEST);
}