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Revert "drm/fb-helper: Reduce READ_ONCE(master) to lockless_dereference"
[cascardo/linux.git]
/
drivers
/
gpu
/
drm
/
drm_fb_helper.c
diff --git
a/drivers/gpu/drm/drm_fb_helper.c
b/drivers/gpu/drm/drm_fb_helper.c
index
ce54e98
..
0a06f91
100644
(file)
--- a/
drivers/gpu/drm/drm_fb_helper.c
+++ b/
drivers/gpu/drm/drm_fb_helper.c
@@
-464,7
+464,7
@@
static bool drm_fb_helper_is_bound(struct drm_fb_helper *fb_helper)
/* Sometimes user space wants everything disabled, so don't steal the
* display if there's a master. */
- if (
lockless_dereference
(dev->master))
+ if (
READ_ONCE
(dev->master))
return false;
drm_for_each_crtc(crtc, dev) {