diff options
| author | Christian König <christian.koenig@amd.com> | 2017-12-01 13:28:46 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-12-12 14:45:54 -0500 |
| commit | e3a1b32a12ef83e260a307e678d053d5f4570acd (patch) | |
| tree | b1a1d6d9a715ac30a68a75cceb768896aec731e8 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | 2ffe31deb27579e2f2c9444e01f4d8abf385d145 (diff) | |
drm/amdgpu: avoid the modulo in amdgpu_vm_get_entry
We can do this with a simple mask as well.
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.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 1c3dd6e0ed33..bd6296a6dab1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1285,11 +1285,11 @@ void amdgpu_vm_get_entry(struct amdgpu_pte_update_params *p, uint64_t addr, *parent = NULL; *entry = &p->vm->root; while ((*entry)->entries) { - unsigned idx = addr >> amdgpu_vm_level_shift(p->adev, level++); + unsigned shift = amdgpu_vm_level_shift(p->adev, level++); - idx %= amdgpu_bo_size((*entry)->base.bo) / 8; *parent = *entry; - *entry = &(*entry)->entries[idx]; + *entry = &(*entry)->entries[addr >> shift]; + addr &= (1ULL << shift) - 1; } if (level != p->adev->vm_manager.num_level) |