get_pages is only called in a locked context. Add a WARN_ON to make sure
it stays that way.
Signed-off-by: Iskren Chernev <iskren.cher...@gmail.com>
---
drivers/gpu/drm/msm/msm_gem.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index c658deb31eb5d..9d10739c4eb2d 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -96,6 +96,8 @@ static struct page **get_pages(struct drm_gem_object *obj)
{
struct msm_gem_object *msm_obj = to_msm_bo(obj);
+ WARN_ON(!msm_gem_is_locked(obj));
+
if (!msm_obj->pages) {
struct drm_device *dev = obj->dev;
struct page **p;
@@ -1129,8 +1131,9 @@ static struct drm_gem_object *_msm_gem_new(struct
drm_device *dev,
to_msm_bo(obj)->vram_node = &vma->node;
-
+ msm_gem_lock(obj);
pages = get_pages(obj);
+ msm_gem_unlock(obj);
if (IS_ERR(pages)) {
ret = PTR_ERR(pages);
goto fail;
--
2.29.2
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