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| author |   Felix Kuehling <Felix.Kuehling@amd.com> | 2016-03-03 19:13:20 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2016-03-09 13:04:00 -0500 |
| commit | fb29b57c34488b343db2e3f00e713901385f8c0d (patch) | |
| tree | 9e8455dc87efe285546f84a1ed8371cf084490fa /drivers/gpu/drm/amd | |
| parent | drm/radeon: Don't drop DP 2.7 Ghz link setup on some cards. (diff) | |
| download | linux-dev-fb29b57c34488b343db2e3f00e713901385f8c0d.tar.xz linux-dev-fb29b57c34488b343db2e3f00e713901385f8c0d.zip | |
drm/amdgpu: Fix two bugs in amdgpu_vm_bo_split_mapping
Off-by-one: last is inclusive, so the maximum is start + max_size - 1
Wrong unit: addr is in bytes, max_size is in pages
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index cc967b44f104..330e307c36ed 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -867,7 +867,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev, while (start != mapping->it.last + 1) { uint64_t last; - last = min((uint64_t)mapping->it.last, start + max_size); + last = min((uint64_t)mapping->it.last, start + max_size - 1); r = amdgpu_vm_bo_update_mapping(adev, gtt, gtt_flags, vm, start, last, flags, addr, fence); @@ -875,7 +875,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev, return r; start = last + 1; - addr += max_size; + addr += max_size * AMDGPU_GPU_PAGE_SIZE; } return 0; |