diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-05 09:27:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-05 09:27:05 +0200 |
| commit | 8bc39bca5e3e8da0d62f7f4d67fdbeecab02b350 (patch) | |
| tree | ac5df85133c64167381acb33086e154724148dc2 /drivers/gpu/drm/msm/msm_gem.c | |
| parent | 094094a9373fbea80ec00714eed5c24f6fd39ecf (diff) | |
| parent | 3c2993b8c6143d8a5793746a54eba8f86f95240f (diff) | |
Merge 4.12-rc4 into tty-next
We want the tty locking fix in here, so that maybe we can finally get it
fixed for real...
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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; |