diff options
| author | Christian König <christian.koenig@amd.com> | 2019-03-18 13:16:03 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-21 13:59:15 -0500 |
| commit | 6dd09027a22ac78f6ab1881aa7e2e21ad61c02b8 (patch) | |
| tree | 2ea047f79ddba6fd7af00ca7a1241ee633d251e1 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | 802a4a484a76d00af6220e402eb66a1063287d30 (diff) | |
drm/amdgpu: new VM update backends
Separate out all functions for SDMA and CPU based page table
updates into separate backends.
This way we can keep most of the complexity of those from the
core VM code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@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 | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 75ac3c97e143..0e47e604158e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1242,7 +1242,7 @@ static void amdgpu_vm_do_copy_ptes(struct amdgpu_vm_update_params *params, * Returns: * The pointer for the page table entry. */ -static uint64_t amdgpu_vm_map_gart(const dma_addr_t *pages_addr, uint64_t addr) +uint64_t amdgpu_vm_map_gart(const dma_addr_t *pages_addr, uint64_t addr) { uint64_t result; @@ -3000,6 +3000,11 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, vm->use_cpu_for_update ? "CPU" : "SDMA"); WARN_ONCE((vm->use_cpu_for_update && !amdgpu_gmc_vram_full_visible(&adev->gmc)), "CPU update of VM recommended only for large BAR system\n"); + + if (vm->use_cpu_for_update) + vm->update_funcs = &amdgpu_vm_cpu_funcs; + else + vm->update_funcs = &amdgpu_vm_sdma_funcs; vm->last_update = NULL; amdgpu_vm_bo_param(adev, vm, adev->vm_manager.root_level, &bp); |