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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 887483b8b818..dcaf691f56b5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -555,10 +555,13 @@ struct amdgpu_ttm_tt {
555int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) 555int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages)
556{ 556{
557 struct amdgpu_ttm_tt *gtt = (void *)ttm; 557 struct amdgpu_ttm_tt *gtt = (void *)ttm;
558 int write = !(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY); 558 unsigned int flags = 0;
559 unsigned pinned = 0; 559 unsigned pinned = 0;
560 int r; 560 int r;
561 561
562 if (!(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY))
563 flags |= FOLL_WRITE;
564
562 if (gtt->userflags & AMDGPU_GEM_USERPTR_ANONONLY) { 565 if (gtt->userflags & AMDGPU_GEM_USERPTR_ANONONLY) {
563 /* check that we only use anonymous memory 566 /* check that we only use anonymous memory
564 to prevent problems with writeback */ 567 to prevent problems with writeback */
@@ -581,7 +584,7 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages)
581 list_add(&guptask.list, &gtt->guptasks); 584 list_add(&guptask.list, &gtt->guptasks);
582 spin_unlock(&gtt->guptasklock); 585 spin_unlock(&gtt->guptasklock);
583 586
584 r = get_user_pages(userptr, num_pages, write, 0, p, NULL); 587 r = get_user_pages(userptr, num_pages, flags, p, NULL);
585 588
586 spin_lock(&gtt->guptasklock); 589 spin_lock(&gtt->guptasklock);
587 list_del(&guptask.list); 590 list_del(&guptask.list);