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authorChristian König <christian.koenig@amd.com>2017-09-11 17:54:59 +0300
committerAlex Deucher <alexander.deucher@amd.com>2017-09-13 19:10:06 +0300
commit4e55eb3879fea6d8c7d414cebaa5bff1da58b4a1 (patch)
tree40faee87cf8636d6162e89f6ecd1db8839cdb46c /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
parent4a00f21db800bc64264bb6764c3d0d0878e9f4c4 (diff)
downloadlinux-4e55eb3879fea6d8c7d414cebaa5bff1da58b4a1.tar.xz
drm/amdgpu: fix amdgpu_vm_handle_moved as well v2
There is no guarantee that the last BO_VA actually needed an update. Additional to that all command submissions must wait for moved BOs to be cleared, not just the first one. v2: Don't overwrite any newer fence. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 64baa3138965..2df254cc802e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1743,7 +1743,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
dma_addr_t *pages_addr = NULL;
struct ttm_mem_reg *mem;
struct drm_mm_node *nodes;
- struct dma_fence *exclusive;
+ struct dma_fence *exclusive, **last_update;
uint64_t flags;
int r;
@@ -1769,6 +1769,11 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
else
flags = 0x0;
+ if (clear || (bo && bo->tbo.resv == vm->root.base.bo->tbo.resv))
+ last_update = &vm->last_update;
+ else
+ last_update = &bo_va->last_pt_update;
+
if (!clear && bo_va->base.moved) {
bo_va->base.moved = false;
list_splice_init(&bo_va->valids, &bo_va->invalids);
@@ -1780,7 +1785,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
list_for_each_entry(mapping, &bo_va->invalids, list) {
r = amdgpu_vm_bo_split_mapping(adev, exclusive, pages_addr, vm,
mapping, flags, nodes,
- &bo_va->last_pt_update);
+ last_update);
if (r)
return r;
}
@@ -1803,12 +1808,6 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
trace_amdgpu_vm_bo_mapping(mapping);
}
- if (bo_va->base.bo &&
- bo_va->base.bo->tbo.resv == vm->root.base.bo->tbo.resv) {
- dma_fence_put(vm->last_update);
- vm->last_update = dma_fence_get(bo_va->last_pt_update);
- }
-
return 0;
}
@@ -2006,15 +2005,15 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
* PTs have to be reserved!
*/
int amdgpu_vm_handle_moved(struct amdgpu_device *adev,
- struct amdgpu_vm *vm,
- struct amdgpu_sync *sync)
+ struct amdgpu_vm *vm)
{
- struct amdgpu_bo_va *bo_va = NULL;
bool clear;
int r = 0;
spin_lock(&vm->status_lock);
while (!list_empty(&vm->moved)) {
+ struct amdgpu_bo_va *bo_va;
+
bo_va = list_first_entry(&vm->moved,
struct amdgpu_bo_va, base.vm_status);
spin_unlock(&vm->status_lock);
@@ -2030,9 +2029,6 @@ int amdgpu_vm_handle_moved(struct amdgpu_device *adev,
}
spin_unlock(&vm->status_lock);
- if (bo_va)
- r = amdgpu_sync_fence(adev, sync, bo_va->last_pt_update);
-
return r;
}