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drm/amdgpu: always register an MMU notifier for userptr

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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>
This commit is contained in:
Christian König
2022-11-09 12:14:44 +01:00
committed by Alex Deucher
parent 14b651b222
commit 631945e04e
1 changed files with 3 additions and 5 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+3 -5
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@@ -413,11 +413,9 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
if (r)
goto release_object;
if (args->flags & AMDGPU_GEM_USERPTR_REGISTER) {
r = amdgpu_mn_register(bo, args->addr);
if (r)
goto release_object;
}
r = amdgpu_mn_register(bo, args->addr);
if (r)
goto release_object;
if (args->flags & AMDGPU_GEM_USERPTR_VALIDATE) {
r = amdgpu_ttm_tt_get_user_pages(bo, bo->tbo.ttm->pages);