diff options
| author | Christian König <christian.koenig@amd.com> | 2019-01-30 14:09:29 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-02-05 21:16:22 -0500 |
| commit | 1b52f2d5679db90166ea71382211f3c7319aab51 (patch) | |
| tree | c4f5eee39b6e41c00d601b06fe37af54c5b4c4c5 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | 90d647222a8f004bf1430ecea3099ebcc54bfc21 (diff) | |
| download | linux-1b52f2d5679db90166ea71382211f3c7319aab51.tar.bz2 | |
drm/amdgpu: cleanup VM dw estimation a bit
No functional change.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-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_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 93b936f7de4b..1e3a36c90d38 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1806,13 +1806,12 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, /* * reserve space for two commands every (1 << BLOCK_SIZE) * entries or 2k dwords (whatever is smaller) - * - * The second command is for the shadow pagetables. */ + ncmds = ((nptes >> min(adev->vm_manager.block_size, 11u)) + 1); + + /* The second command is for the shadow pagetables. */ if (vm->root.base.bo->shadow) - ncmds = ((nptes >> min(adev->vm_manager.block_size, 11u)) + 1) * 2; - else - ncmds = ((nptes >> min(adev->vm_manager.block_size, 11u)) + 1); + ncmds *= 2; /* padding, etc. */ ndw = 64; @@ -1831,10 +1830,11 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, ndw += ncmds * 10; /* extra commands for begin/end fragments */ + ncmds = 2 * adev->vm_manager.fragment_size; if (vm->root.base.bo->shadow) - ndw += 2 * 10 * adev->vm_manager.fragment_size * 2; - else - ndw += 2 * 10 * adev->vm_manager.fragment_size; + ncmds *= 2; + + ndw += 10 * ncmds; params.func = amdgpu_vm_do_set_ptes; } |