Commit e657d145 authored Jan 20, 2017 by Kasin Li Committed by Gerrit - the friendly Code Review server Jan 31, 2017

drm/msm: Serialize gem creating in msm_gem_import



We must hold the struct_mutex in msm gem operation function calling
To serialize access to active_list and inactive_list which are global
in DRM.

Change-Id: I137e3392e25cf5005e575b0feac76a365844804d
Signed-off-by: Kasin Li <donglil@codeaurora.org>

parent b2d99135

drivers/gpu/drm/msm/msm_gem.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -858,7 +858,9 @@ struct drm_gem_object msm_gem_import(struct drm_device dev,

		size = PAGE_ALIGN(size);

		mutex_lock(&dev->struct_mutex);
		ret = msm_gem_new_impl(dev, size, MSM_BO_WC, &obj);
		mutex_unlock(&dev->struct_mutex);
		if (ret)
		goto fail;