diff options
| author | fred gao <fred.gao@intel.com> | 2017-08-18 10:41:09 +0300 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2017-09-08 09:21:15 +0300 |
| commit | 46b441efa374cf1581c267a16089c205f2fc0ded (patch) | |
| tree | 0082ef6ea7ccbc427f9c076b7a8fac6cb10167d9 /drivers/gpu/drm/i915/gvt | |
| parent | 0cce2823ed37b75555749c0969528d8c74887ada (diff) | |
| download | linux-46b441efa374cf1581c267a16089c205f2fc0ded.tar.xz | |
drm/i915/gvt: Refine error handling for intel_vgpu_pin_mm
When it is failed in shadow_mm, the pin_count should rollback
to the original states before return.
v2:
- split the mixed several error paths for better review. (Zhenyu)
v3:
increase the pincount after shadow success. (Zhenyu)
Signed-off-by: fred gao <fred.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index e6dfc3331f4b..0bd028f8fef5 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -1647,14 +1647,13 @@ int intel_vgpu_pin_mm(struct intel_vgpu_mm *mm) if (WARN_ON(mm->type != INTEL_GVT_MM_PPGTT)) return 0; - atomic_inc(&mm->pincount); - if (!mm->shadowed) { ret = shadow_mm(mm); if (ret) return ret; } + atomic_inc(&mm->pincount); list_del_init(&mm->lru_list); list_add_tail(&mm->lru_list, &mm->vgpu->gvt->gtt.mm_lru_list_head); return 0; |