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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-07-24 16:51:18 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-07-24 16:51:18 -0700 |
commit | 53a7ff8fb785839b87f950fd85433d9c662fac89 (patch) | |
tree | 119840a23e5226d3f258e2309b4ef1d328535dd2 /drivers/gpu/drm/msm/msm_gem.c | |
parent | 4323418d62fefe48ee5019f2c744c918be06ec69 (diff) | |
parent | 072a7852338af900c302490474939e089f4bd4c4 (diff) |
Merge branch 'bind_unbind' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into next
This brings in devm_device_add_group() and friends so that we can create
driver-specific device attributes as managed resources.
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; |