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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c38
1 files changed, 29 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 4fb15750b9bb..2d6b2d77b738 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -1057,7 +1057,8 @@ static void unmap_bo_from_gpuvm(struct kgd_mem *mem,
static int update_gpuvm_pte(struct kgd_mem *mem,
struct kfd_mem_attachment *entry,
- struct amdgpu_sync *sync)
+ struct amdgpu_sync *sync,
+ bool *table_freed)
{
struct amdgpu_bo_va *bo_va = entry->bo_va;
struct amdgpu_device *adev = entry->adev;
@@ -1068,7 +1069,7 @@ static int update_gpuvm_pte(struct kgd_mem *mem,
return ret;
/* Update the page tables */
- ret = amdgpu_vm_bo_update(adev, bo_va, false);
+ ret = amdgpu_vm_bo_update(adev, bo_va, false, table_freed);
if (ret) {
pr_err("amdgpu_vm_bo_update failed\n");
return ret;
@@ -1080,7 +1081,8 @@ static int update_gpuvm_pte(struct kgd_mem *mem,
static int map_bo_to_gpuvm(struct kgd_mem *mem,
struct kfd_mem_attachment *entry,
struct amdgpu_sync *sync,
- bool no_update_pte)
+ bool no_update_pte,
+ bool *table_freed)
{
int ret;
@@ -1097,7 +1099,7 @@ static int map_bo_to_gpuvm(struct kgd_mem *mem,
if (no_update_pte)
return 0;
- ret = update_gpuvm_pte(mem, entry, sync);
+ ret = update_gpuvm_pte(mem, entry, sync, table_freed);
if (ret) {
pr_err("update_gpuvm_pte() failed\n");
goto update_gpuvm_pte_failed;
@@ -1285,11 +1287,22 @@ int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct kgd_dev *kgd,
if (avm->process_info)
return -EINVAL;
+ /* Free the original amdgpu allocated pasid,
+ * will be replaced with kfd allocated pasid.
+ */
+ if (avm->pasid) {
+ amdgpu_pasid_free(avm->pasid);
+ amdgpu_vm_set_pasid(adev, avm, 0);
+ }
+
/* Convert VM into a compute VM */
- ret = amdgpu_vm_make_compute(adev, avm, pasid);
+ ret = amdgpu_vm_make_compute(adev, avm);
if (ret)
return ret;
+ ret = amdgpu_vm_set_pasid(adev, avm, pasid);
+ if (ret)
+ return ret;
/* Initialize KFD part of the VM and process info */
ret = init_kfd_vm(avm, process_info, ef);
if (ret)
@@ -1594,7 +1607,8 @@ int amdgpu_amdkfd_gpuvm_free_memory_of_gpu(
}
int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(
- struct kgd_dev *kgd, struct kgd_mem *mem, void *drm_priv)
+ struct kgd_dev *kgd, struct kgd_mem *mem,
+ void *drm_priv, bool *table_freed)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
struct amdgpu_vm *avm = drm_priv_to_vm(drm_priv);
@@ -1682,7 +1696,7 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(
entry->va, entry->va + bo_size, entry);
ret = map_bo_to_gpuvm(mem, entry, ctx.sync,
- is_invalid_userptr);
+ is_invalid_userptr, table_freed);
if (ret) {
pr_err("Failed to map bo to gpuvm\n");
goto out_unreserve;
@@ -1706,6 +1720,12 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(
true);
ret = unreserve_bo_and_vms(&ctx, false, false);
+ /* Only apply no TLB flush on Aldebaran to
+ * workaround regressions on other Asics.
+ */
+ if (table_freed && (adev->asic_type != CHIP_ALDEBARAN))
+ *table_freed = true;
+
goto out;
out_unreserve:
@@ -2132,7 +2152,7 @@ static int validate_invalid_user_pages(struct amdkfd_process_info *process_info)
continue;
kfd_mem_dmaunmap_attachment(mem, attachment);
- ret = update_gpuvm_pte(mem, attachment, &sync);
+ ret = update_gpuvm_pte(mem, attachment, &sync, NULL);
if (ret) {
pr_err("%s: update PTE failed\n", __func__);
/* make sure this gets validated again */
@@ -2338,7 +2358,7 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef)
continue;
kfd_mem_dmaunmap_attachment(mem, attachment);
- ret = update_gpuvm_pte(mem, attachment, &sync_obj);
+ ret = update_gpuvm_pte(mem, attachment, &sync_obj, NULL);
if (ret) {
pr_debug("Memory eviction: update PTE failed. Try again\n");
goto validate_map_fail;