diff options
| author | Christian König <christian.koenig@amd.com> | 2022-03-08 15:06:49 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-03-25 12:40:26 -0400 |
| commit | e997b82745a5b2419bc5b72735811d7162ac994a (patch) | |
| tree | 2a411c227d2a25ad4c4a19f9aeef46a78c5023c9 /drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | |
| parent | 184a69ca4d4125eee07f853cde45ee19dd21c437 (diff) | |
drm/amdgpu: simplify VM update tracking a bit
Store the 64bit sequence directly. Makes it simpler to use and saves a bit
of fence reference counting overhead.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index 40e06745fae9..05e1af9998a3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -51,7 +51,7 @@ static struct kmem_cache *amdgpu_sync_slab; void amdgpu_sync_create(struct amdgpu_sync *sync) { hash_init(sync->fences); - sync->last_vm_update = NULL; + sync->last_vm_update = 0; } /** @@ -184,7 +184,7 @@ int amdgpu_sync_vm_fence(struct amdgpu_sync *sync, struct dma_fence *fence) if (!fence) return 0; - amdgpu_sync_keep_later(&sync->last_vm_update, fence); + sync->last_vm_update = max(sync->last_vm_update, fence->seqno); return amdgpu_sync_fence(sync, fence); } @@ -376,8 +376,7 @@ int amdgpu_sync_clone(struct amdgpu_sync *source, struct amdgpu_sync *clone) } } - dma_fence_put(clone->last_vm_update); - clone->last_vm_update = dma_fence_get(source->last_vm_update); + clone->last_vm_update = source->last_vm_update; return 0; } @@ -419,8 +418,6 @@ void amdgpu_sync_free(struct amdgpu_sync *sync) dma_fence_put(e->fence); kmem_cache_free(amdgpu_sync_slab, e); } - - dma_fence_put(sync->last_vm_update); } /** |