Am Donnerstag, den 29.10.2020, 15:20 +0100 schrieb Guido Günther:
etnaviv_iommu_find_iova has it so etnaviv_iommu_insert_exact and lockdep_assert_held should have it as well.
This sounds reasonable to me. I've added this patch to my etnaviv/next branch.
Regards, Lucas
Signed-off-by: Guido Günther agx@sigxcpu.org
drivers/gpu/drm/etnaviv/etnaviv_mmu.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c index 3607d348c298..cd599ac04663 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c @@ -131,6 +131,8 @@ 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);
@@ -223,6 +225,8 @@ 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);
}