Am 26.04.2017 um 09:09 schrieb Zhang, Jerry (Junwei):
On 04/24/2017 01:57 PM, Chunming Zhou wrote:
Change-Id: Id728e20366c8a1ae90d4e901dc80e136e2a613bb
Signed-off-by: Chunming Zhou <david1.z...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 17 ++++++++++++++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 ++
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index eb429c5..acf9102 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2144,10 +2144,12 @@ int amdgpu_vm_init(struct amdgpu_device
*adev, struct amdgpu_vm *vm,
unsigned ring_instance;
struct amdgpu_ring *ring;
struct amd_sched_rq *rq;
- int r;
+ int r, i;
vm->va = RB_ROOT;
vm->client_id =
atomic64_inc_return(&adev->vm_manager.client_counter);
+ for (i = 0; i < AMDGPU_MAX_VMHUBS; i++)
+ vm->dedicated_vmid[i] = NULL;
Maybe it's better to give it a consistent name as resv_vmid, or
anything like that.
Yes, agree. And if I'm not completely mistaken we still should only
apply that to the GFX hub on Vega10.
Christian.
Jerry
spin_lock_init(&vm->status_lock);
INIT_LIST_HEAD(&vm->invalidated);
INIT_LIST_HEAD(&vm->cleared);
@@ -2250,6 +2252,7 @@ void amdgpu_vm_fini(struct amdgpu_device *adev,
struct amdgpu_vm *vm)
{
struct amdgpu_bo_va_mapping *mapping, *tmp;
bool prt_fini_needed = !!adev->gart.gart_funcs->set_prt;
+ int i;
if (vm->is_kfd_vm) {
struct amdgpu_vm_id_manager *id_mgr =
@@ -2292,6 +2295,18 @@ void amdgpu_vm_fini(struct amdgpu_device
*adev, struct amdgpu_vm *vm)
amdgpu_vm_free_levels(&vm->root);
fence_put(vm->last_dir_update);
+ for (i = 0; i < AMDGPU_MAX_VMHUBS; i++) {
+ struct amdgpu_vm_id_manager *id_mgr =
+ &adev->vm_manager.id_mgr[i];
+
+ mutex_lock(&id_mgr->lock);
+ if (vm->dedicated_vmid[i]) {
+ list_add(&vm->dedicated_vmid[i]->list,
+ &id_mgr->ids_lru);
+ vm->dedicated_vmid[i] = NULL;
+ }
+ mutex_unlock(&id_mgr->lock);
+ }
}
/**
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 62dbace..23981ee 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -122,6 +122,8 @@ struct amdgpu_vm {
/* client id */
u64 client_id;
+ /* dedicated vmid */
+ struct amdgpu_vm_id *dedicated_vmid[AMDGPU_MAX_VMHUBS];
/* each VM will map on CSA */
struct amdgpu_bo_va *csa_bo_va;
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