diff options
author | Christian König <christian.koenig@amd.com> | 2015-09-10 15:00:35 +0300 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2015-10-14 23:16:40 +0300 |
commit | b495bd3a54e732e846bfde49ba2ea93b62b1de91 (patch) | |
tree | dcab014ba5bacdadd0dac230fd00b68274466a56 /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
parent | d9c13156a628cc9f8f062f2c10e2bff55b92aaab (diff) | |
download | linux-b495bd3a54e732e846bfde49ba2ea93b62b1de91.tar.xz |
drm/amdgpu: add option to clear VM page tables after every submit
This makes it much easier to find when userspace misses to send some buffers.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 29fc45ce64dd..25012c790f8f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -567,9 +567,24 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p, if (r) return r; } + + } + + r = amdgpu_vm_clear_invalids(adev, vm, &p->ibs[0].sync); + + if (amdgpu_vm_debug && p->bo_list) { + /* Invalidate all BOs to test for userspace bugs */ + for (i = 0; i < p->bo_list->num_entries; i++) { + /* ignore duplicates */ + bo = p->bo_list->array[i].robj; + if (!bo) + continue; + + amdgpu_vm_bo_invalidate(adev, bo); + } } - return amdgpu_vm_clear_invalids(adev, vm, &p->ibs[0].sync); + return r; } static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev, |