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| author | Christian König <christian.koenig@amd.com> | 2017-11-22 17:00:35 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-12-06 12:48:29 -0500 |
| commit | b38f41ebb8d0395221e136677387c36bf03fd320 (patch) | |
| tree | a51b7f53060aab01f8434bd6612ecca22a239695 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | 0410c5e51443ef8ca9ef6db647b07f2f9a46c09a (diff) | |
| download | lwn-b38f41ebb8d0395221e136677387c36bf03fd320.tar.gz lwn-b38f41ebb8d0395221e136677387c36bf03fd320.zip | |
drm/amdgpu: unify VM size handling of Vega10 with older generation
One function to rule them all.
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 | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 771995093cac..c942f6b4be1b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2574,43 +2574,35 @@ static uint32_t amdgpu_vm_get_block_size(uint64_t vm_size) } /** - * amdgpu_vm_set_fragment_size - adjust fragment size in PTE - * - * @adev: amdgpu_device pointer - * @fragment_size_default: the default fragment size if it's set auto - */ -void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev, - uint32_t fragment_size_default) -{ - if (amdgpu_vm_fragment_size == -1) - adev->vm_manager.fragment_size = fragment_size_default; - else - adev->vm_manager.fragment_size = amdgpu_vm_fragment_size; -} - -/** * amdgpu_vm_adjust_size - adjust vm size, block size and fragment size * * @adev: amdgpu_device pointer * @vm_size: the default vm size if it's set auto */ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t vm_size, - uint32_t fragment_size_default) + uint32_t fragment_size_default, unsigned max_level) { - /* adjust vm size firstly */ - if (amdgpu_vm_size != -1) + /* adjust vm size first, but only for two level setups for now */ + if (amdgpu_vm_size != -1 && max_level == 1) vm_size = amdgpu_vm_size; adev->vm_manager.max_pfn = (uint64_t)vm_size << 18; + adev->vm_manager.num_level = max_level; - /* block size depends on vm size */ - if (amdgpu_vm_block_size == -1) + /* block size depends on vm size and hw setup*/ + if (adev->vm_manager.num_level > 1) + /* Use fixed block_size for multi level page tables */ + adev->vm_manager.block_size = 9; + else if (amdgpu_vm_block_size == -1) adev->vm_manager.block_size = amdgpu_vm_get_block_size(vm_size); else adev->vm_manager.block_size = amdgpu_vm_block_size; - amdgpu_vm_set_fragment_size(adev, fragment_size_default); + if (amdgpu_vm_fragment_size == -1) + adev->vm_manager.fragment_size = fragment_size_default; + else + adev->vm_manager.fragment_size = amdgpu_vm_fragment_size; DRM_INFO("vm size is %u GB, block size is %u-bit, fragment size is %u-bit\n", vm_size, adev->vm_manager.block_size, |