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Diffstat (limited to 'drivers/gpu/drm/etnaviv')
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_mmu.c16
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_mmu.h1
2 files changed, 1 insertions, 16 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
index 49e049713a52..e8e8c4fe3242 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
@@ -162,22 +162,10 @@ static int etnaviv_iommu_find_iova(struct etnaviv_iommu *mmu,
bool found;
ret = drm_mm_insert_node_in_range(&mmu->mm, node,
- size, 0, 0,
- mmu->last_iova, U64_MAX,
- mode);
+ size, 0, 0, 0, U64_MAX, mode);
if (ret != -ENOSPC)
break;
- /*
- * If we did not search from the start of the MMU region,
- * try again in case there are free slots.
- */
- if (mmu->last_iova) {
- mmu->last_iova = 0;
- mmu->need_flush = true;
- continue;
- }
-
/* Try to retire some entries */
drm_mm_scan_init(&scan, &mmu->mm, size, 0, 0, mode);
@@ -274,7 +262,6 @@ int etnaviv_iommu_map_gem(struct etnaviv_iommu *mmu,
if (ret < 0)
goto unlock;
- mmu->last_iova = node->start + etnaviv_obj->base.size;
mapping->iova = node->start;
ret = etnaviv_iommu_map(mmu, node->start, sgt, etnaviv_obj->base.size,
ETNAVIV_PROT_READ | ETNAVIV_PROT_WRITE);
@@ -381,7 +368,6 @@ int etnaviv_iommu_get_suballoc_va(struct etnaviv_gpu *gpu, dma_addr_t paddr,
mutex_unlock(&mmu->lock);
return ret;
}
- mmu->last_iova = vram_node->start + size;
gpu->mmu->need_flush = true;
mutex_unlock(&mmu->lock);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h
index ab603f5166b1..a339ec5798ff 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h
@@ -59,7 +59,6 @@ struct etnaviv_iommu {
struct mutex lock;
struct list_head mappings;
struct drm_mm mm;
- u32 last_iova;
bool need_flush;
};