diff options
| author | Christian König <christian.koenig@amd.com> | 2017-09-03 15:22:06 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-12 14:24:00 -0400 |
| commit | b72cf4fca2bb786e20864b5e8755105aa9626fb4 (patch) | |
| tree | 0f3f739d3fdbe0b8c2a7510689f8fdf482da295d /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | 862095237c392887819e98018d6dc187d8c78726 (diff) | |
drm/amdgpu: move taking mmap_sem into get_user_pages v2
This didn't helped as intended, just simplify the code.
v2: unlock mmap_sem in the error path as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 3fe816f6beca..283a216ee758 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -500,18 +500,14 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, struct amdgpu_fpriv *fpriv = p->filp->driver_priv; struct amdgpu_bo_list_entry *e; struct list_head duplicates; - bool need_mmap_lock = false; unsigned i, tries = 10; int r; INIT_LIST_HEAD(&p->validated); p->bo_list = amdgpu_bo_list_get(fpriv, cs->in.bo_list_handle); - if (p->bo_list) { - need_mmap_lock = p->bo_list->first_userptr != - p->bo_list->num_entries; + if (p->bo_list) amdgpu_bo_list_get_list(p->bo_list, &p->validated); - } INIT_LIST_HEAD(&duplicates); amdgpu_vm_get_pd_bo(&fpriv->vm, &p->validated, &p->vm_pd); @@ -519,9 +515,6 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, if (p->uf_entry.robj) list_add(&p->uf_entry.tv.head, &p->validated); - if (need_mmap_lock) - down_read(¤t->mm->mmap_sem); - while (1) { struct list_head need_pages; unsigned i; @@ -674,9 +667,6 @@ error_validate: error_free_pages: - if (need_mmap_lock) - up_read(¤t->mm->mmap_sem); - if (p->bo_list) { for (i = p->bo_list->first_userptr; i < p->bo_list->num_entries; ++i) { |