From: Shixiong Ou <oushixiong@xxxxxxxxxx>
It is wrong to call stall_checks() after allocating memory
for struct drm_crtc_commit as it will cause memory leaks if
too many nonblock commit works return -EBUSY.
So it needs to call stall_checks() before allocate drm_crtc_commit.
Signed-off-by: Shixiong Ou <oushixiong@xxxxxxxxxx>
---
drivers/gpu/drm/drm_atomic_helper.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 2444fc33dd7c..94ea878b240d 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2283,6 +2283,10 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state,
funcs = state->dev->mode_config.helper_private;
for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+ ret = stall_checks(crtc, nonblock);
+ if (ret)
+ return ret;
+
commit = kzalloc(sizeof(*commit), GFP_KERNEL);
if (!commit)
return -ENOMEM;
@@ -2291,10 +2295,6 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state,
new_crtc_state->commit = commit;
- ret = stall_checks(crtc, nonblock);
- if (ret)
- return ret;
-
/*
* Drivers only send out events when at least either current or
* new CRTC state is active. Complete right away if everything
--
2.25.1
