From 0ea54b9b6c4ebc04cc6f68246b03577a25dbd4bb Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Wed, 4 May 2016 10:20:01 +0200 Subject: [PATCH] drm/amdgpu: make the VMID owner always 64bit MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Otherwise we could (in theory) run into problems on 32bit systems. Signed-off-by: Christian König Reviewed-by: Chunming Zhou Signed-off-by: Alex Deucher --- 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 e42b0a3..130c0a7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -897,7 +897,7 @@ 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; -- 2.7.4