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drm/amdgpu: always register an MMU notifier for userptr
commit b39df63b16
upstream.
Since switching to HMM we always need that because we no longer grab
references to the pages.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
65a4684d40
commit
ab631e159d
1 changed files with 3 additions and 5 deletions
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@ -413,11 +413,9 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
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if (r)
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goto release_object;
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if (args->flags & AMDGPU_GEM_USERPTR_REGISTER) {
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r = amdgpu_mn_register(bo, args->addr);
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if (r)
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goto release_object;
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}
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r = amdgpu_mn_register(bo, args->addr);
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if (r)
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goto release_object;
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if (args->flags & AMDGPU_GEM_USERPTR_VALIDATE) {
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r = amdgpu_ttm_tt_get_user_pages(bo, bo->tbo.ttm->pages);
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