[PATCH 1/4] drm/amdgpu: always register an MMU notifier for userptr

[Christian König]

Since switching to HMM we always need that because we no longer grab
references to the pages.

Signed-off-by: Christian König <christian.koe...@amd.com>
CC: sta...@vger.kernel.org
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 8ef31d687ef3..111484ceb47d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -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);
-- 
2.34.1