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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-04 09:22:54 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-04 09:22:54 -0700
commita6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8 (patch)
tree8960e571a398b5d32e72bdb9c89ce965daa870ab /drivers/gpu/drm/msm/msm_gem.c
parentf5308d1b83eba20e69df5e0926ba7257c8dd9074 (diff)
parent08d6ac9ee5fedd82040bc878705981b67a116a3f (diff)
Merge branch 'next' into for-linus
Prepare input updates for 4.14 merge window.
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c6
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;