drm/amdgpu: cleanup the VM code a bit more

The src isn't used any more after GART hack removal.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index faa08d5..1582feb 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1476,7 +1476,6 @@ static int amdgpu_vm_frag_ptes(struct amdgpu_pte_update_params    *params,
  *
  * @adev: amdgpu_device pointer
  * @exclusive: fence we need to sync to
- * @src: address where to copy page table entries from
  * @pages_addr: DMA addresses to use for mapping
  * @vm: requested vm
  * @start: start of mapped range
@@ -1490,7 +1489,6 @@ static int amdgpu_vm_frag_ptes(struct amdgpu_pte_update_params    *params,
  */
 static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
                                       struct dma_fence *exclusive,
-                                      uint64_t src,
                                       dma_addr_t *pages_addr,
                                       struct amdgpu_vm *vm,
                                       uint64_t start, uint64_t last,
@@ -1508,7 +1506,6 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
        memset(&params, 0, sizeof(params));
        params.adev = adev;
        params.vm = vm;
-       params.src = src;
 
        /* sync to everything on unmapping */
        if (!(flags & AMDGPU_PTE_VALID))
@@ -1548,13 +1545,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
        /* one PDE write for each huge page */
        ndw += ((nptes >> adev->vm_manager.block_size) + 1) * 6;
 
-       if (src) {
-               /* only copy commands needed */
-               ndw += ncmds * 7;
-
-               params.func = amdgpu_vm_do_copy_ptes;
-
-       } else if (pages_addr) {
+       if (pages_addr) {
                /* copy commands needed */
                ndw += ncmds * 7;
 
@@ -1579,7 +1570,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
 
        params.ib = &job->ibs[0];
 
-       if (!src && pages_addr) {
+       if (pages_addr) {
                uint64_t *pte;
                unsigned i;
 
@@ -1656,7 +1647,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
                                      struct drm_mm_node *nodes,
                                      struct dma_fence **fence)
 {
-       uint64_t pfn, src = 0, start = mapping->start;
+       uint64_t pfn, start = mapping->start;
        int r;
 
        /* normally,bo_va->flags only contians READABLE and WIRTEABLE bit go here
@@ -1711,8 +1702,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
                addr += pfn << PAGE_SHIFT;
 
                last = min((uint64_t)mapping->last, start + max_entries - 1);
-               r = amdgpu_vm_bo_update_mapping(adev, exclusive,
-                                               src, pages_addr, vm,
+               r = amdgpu_vm_bo_update_mapping(adev, exclusive, pages_addr, vm,
                                                start, last, flags, addr,
                                                fence);
                if (r)
@@ -1973,7 +1963,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
                if (vm->pte_support_ats)
                        init_pte_value = AMDGPU_PTE_SYSTEM;
 
-               r = amdgpu_vm_bo_update_mapping(adev, NULL, 0, NULL, vm,
+               r = amdgpu_vm_bo_update_mapping(adev, NULL, NULL, vm,
                                                mapping->start, mapping->last,
                                                init_pte_value, 0, &f);
                amdgpu_vm_free_mapping(adev, vm, mapping, f);