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| author | David S. Miller <davem@davemloft.net> | 2017-06-10 14:06:46 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-10 14:06:46 -0700 |
| commit | 95c4629d92d15d10e5f7c55bfb72583f96a91374 (patch) | |
| tree | ef9b973bfbf9f85659f4fc2794d8271bd19c4857 /drivers/gpu/drm/msm/msm_gem.c | |
| parent | 60925ee97e2be4993fb7a2f7e70be0fbce08cf0f (diff) | |
| parent | 5faab9e0f03c4eef97886b45436015e107f79f5f (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 68e509b3b9e4..50289a23baf8 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -758,6 +758,8 @@ static int msm_gem_new_impl(struct drm_device *dev, struct msm_gem_object *msm_obj; bool use_vram = false; + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + switch (flags & MSM_BO_CACHE_MASK) { case MSM_BO_UNCACHED: case MSM_BO_CACHED: @@ -853,7 +855,11 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev, size = PAGE_ALIGN(dmabuf->size); + /* Take mutex so we can modify the inactive list in msm_gem_new_impl */ + mutex_lock(&dev->struct_mutex); ret = msm_gem_new_impl(dev, size, MSM_BO_WC, dmabuf->resv, &obj); + mutex_unlock(&dev->struct_mutex); + if (ret) goto fail; |