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drm/amdgpu: check userptrs mm earlier

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Instead of when we try to bind it check the usermm when
we try to use it in the IOCTLs.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2016-02-08 11:08:35 +01:00
committed by Alex Deucher
parent 04db4caf5c
commit cc325d1913
7 changed files with 27 additions and 15 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
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@@ -121,7 +121,7 @@ struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
{
struct amdgpu_bo *bo = gem_to_amdgpu_bo(gobj);
if (amdgpu_ttm_tt_has_userptr(bo->tbo.ttm))
if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm))
return ERR_PTR(-EPERM);
return drm_gem_prime_export(dev, gobj, flags);