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drm/amdgpu: enable GTT PD/PT for raven v3 

Should work on Vega10 as well, but with an obvious performance hit.

Older APUs can be enabled as well, but will probably be more work.

v2: fix error checking
v3: use more general check

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-08-22 16:44:56 +02:00 committed by Alex Deucher
parent 24a8d289d5
commit 284dec4317
1 changed files with 13 additions and 1 deletions
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14
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -342,6 +342,9 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
list_move(&bo_base->vm_status, &vm->moved);
spin_unlock(&vm->moved_lock);
} else {
r = amdgpu_ttm_alloc_gart(&bo->tbo);
if (r)
break;
list_move(&bo_base->vm_status, &vm->relocated);
}
}
@ -417,6 +420,10 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
if (r)
goto error;
r = amdgpu_ttm_alloc_gart(&bo->tbo);
if (r)
return r;
r = amdgpu_job_alloc_with_ib(adev, 64, &job);
if (r)
goto error;
@ -482,7 +489,12 @@ static void amdgpu_vm_bo_param(struct amdgpu_device *adev, struct amdgpu_vm *vm,
bp->size = amdgpu_vm_bo_size(adev, level);
bp->byte_align = AMDGPU_GPU_PAGE_SIZE;
bp->domain = AMDGPU_GEM_DOMAIN_VRAM;
bp->flags = AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
if (bp->size <= PAGE_SIZE && adev->asic_type >= CHIP_VEGA10 &&
adev->flags & AMD_IS_APU)
bp->domain |= AMDGPU_GEM_DOMAIN_GTT;
bp->domain = amdgpu_bo_get_preferred_pin_domain(adev, bp->domain);
bp->flags = AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS |
AMDGPU_GEM_CREATE_CPU_GTT_USWC;
if (vm->use_cpu_for_update)
bp->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
else