They are not used in any way, so can go away.
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Reviewed-By: Wladimir J. van der Laan <laanwj@xxxxxxxxx>
---
drivers/gpu/drm/etnaviv/etnaviv_iommu.c | 21 ---------------------
drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c | 14 --------------
2 files changed, 35 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,
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
index cbe447ac5974..d794e8c0dd7e 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
@@ -97,19 +97,6 @@ static size_t etnaviv_iommuv2_unmap(struct iommu_domain *domain,
return SZ_4K;
}
-static phys_addr_t etnaviv_iommuv2_iova_to_phys(struct iommu_domain *domain,
- dma_addr_t iova)
-{
- struct etnaviv_iommuv2_domain *etnaviv_domain =
- to_etnaviv_domain(domain);
- int mtlb_entry, stlb_entry;
-
- mtlb_entry = (iova & MMUv2_MTLB_MASK) >> MMUv2_MTLB_SHIFT;
- stlb_entry = (iova & MMUv2_STLB_MASK) >> MMUv2_STLB_SHIFT;
-
- return etnaviv_domain->stlb_cpu[mtlb_entry][stlb_entry] & ~(SZ_4K - 1);
-}
-
static int etnaviv_iommuv2_init(struct etnaviv_iommuv2_domain *etnaviv_domain)
{
u32 *p;
@@ -235,7 +222,6 @@ static const struct etnaviv_iommu_ops etnaviv_iommu_ops = {
.domain_free = etnaviv_iommuv2_domain_free,
.map = etnaviv_iommuv2_map,
.unmap = etnaviv_iommuv2_unmap,
- .iova_to_phys = etnaviv_iommuv2_iova_to_phys,
.pgsize_bitmap = SZ_4K,
},
.dump_size = etnaviv_iommuv2_dump_size,
--
2.11.0
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