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| author | Christian König <christian.koenig@amd.com> | 2016-09-28 12:03:04 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-25 14:38:27 -0400 |
| commit | f7da30d979d4c6af4b7f4fe3094e581d8c5812d7 (patch) | |
| tree | 146e1d60ebd94ec4be945449a6a399b4f5543b01 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | a7d64de659946e852cd8f2a9691a21ddbb4ebc86 (diff) | |
| download | linux-f7da30d979d4c6af4b7f4fe3094e581d8c5812d7.tar.bz2 | |
drm/amdgpu: move PT validation back into VM code v2
Saves a bunch of CPU cycles when swapping things back in and
allows us to split the VM headers into a separate file.
v2: rename parameters
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@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 | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index f4b78b66444d..c171b16cf0f1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -116,27 +116,29 @@ void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm, } /** - * amdgpu_vm_get_bos - add the vm BOs to a duplicates list + * amdgpu_vm_validate_pt_bos - validate the page table BOs * * @adev: amdgpu device pointer * @vm: vm providing the BOs - * @duplicates: head of duplicates list + * @validate: callback to do the validation + * @param: parameter for the validation callback * - * Add the page directory to the BO duplicates list - * for command submission. + * Validate the page table BOs on command submission if neccessary. */ -void amdgpu_vm_get_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm, - struct list_head *duplicates) +int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm, + int (*validate)(void *p, struct amdgpu_bo *bo), + void *param) { uint64_t num_evictions; unsigned i; + int r; /* We only need to validate the page tables * if they aren't already valid. */ num_evictions = atomic64_read(&adev->num_evictions); if (num_evictions == vm->last_eviction_counter) - return; + return 0; /* add the vm page table to the list */ for (i = 0; i <= vm->max_pde_used; ++i) { @@ -145,9 +147,12 @@ void amdgpu_vm_get_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm, if (!entry->robj) continue; - list_add(&entry->tv.head, duplicates); + r = validate(param, entry->robj); + if (r) + return r; } + return 0; } /** |