diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_iommu.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_iommu.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c index 7a7c97f599d7..f804c0aaa7a2 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c @@ -66,18 +66,6 @@ static void pgtable_free(struct etnaviv_iommu_domain_pgtable *pgtable, dma_free_coherent(NULL, size, pgtable->pgtable, pgtable->paddr); } -static u32 pgtable_read(struct etnaviv_iommu_domain_pgtable *pgtable, - unsigned long iova) -{ - /* calcuate index into page table */ - unsigned int index = (iova - GPU_MEM_START) / SZ_4K; - phys_addr_t paddr; - - paddr = pgtable->pgtable[index]; - - return paddr; -} - static void pgtable_write(struct etnaviv_iommu_domain_pgtable *pgtable, unsigned long iova, phys_addr_t paddr) { @@ -164,14 +152,6 @@ static size_t etnaviv_iommuv1_unmap(struct iommu_domain *domain, return SZ_4K; } -static phys_addr_t etnaviv_iommu_iova_to_phys(struct iommu_domain *domain, - dma_addr_t iova) -{ - struct etnaviv_iommu_domain *etnaviv_domain = to_etnaviv_domain(domain); - - return pgtable_read(&etnaviv_domain->pgtable, iova); -} - static size_t etnaviv_iommuv1_dump_size(struct iommu_domain *domain) { return PT_SIZE; @@ -189,7 +169,6 @@ static const struct etnaviv_iommu_ops etnaviv_iommu_ops = { .domain_free = etnaviv_domain_free, .map = etnaviv_iommuv1_map, .unmap = etnaviv_iommuv1_unmap, - .iova_to_phys = etnaviv_iommu_iova_to_phys, .pgsize_bitmap = SZ_4K, }, .dump_size = etnaviv_iommuv1_dump_size, |