[PATCH 10/14] drm/amdgpu: make the VMID owner always 64bit
Alex Deucher
alexdeucher at gmail.com
Wed May 4 18:26:51 UTC 2016
From: Christian König <christian.koenig at amd.com>
Otherwise we could (in theory) run into problems on 32bit systems.
Signed-off-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Chunming Zhou <david1.zhou at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 8e3b14d..de5bfc7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -896,7 +896,7 @@ struct amdgpu_vm_id {
struct amdgpu_sync active;
struct fence *last_flush;
struct amdgpu_ring *last_user;
- atomic_long_t owner;
+ atomic64_t owner;
uint64_t pd_gpu_addr;
/* last flushed PD/PT update */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 62ce725..cd57898 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -185,7 +185,7 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
if (!id)
continue;
- if (atomic_long_read(&id->owner) != vm->client_id)
+ if (atomic64_read(&id->owner) != vm->client_id)
continue;
if (pd_addr != id->pd_gpu_addr)
@@ -261,7 +261,7 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
list_move_tail(&id->list, &adev->vm_manager.ids_lru);
id->last_user = ring;
- atomic_long_set(&id->owner, vm->client_id);
+ atomic64_set(&id->owner, vm->client_id);
vm->ids[ring->idx] = id;
*vm_id = id - adev->vm_manager.ids;
--
2.5.5
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