From: Sean Paul <seanp...@chromium.org>
If state allocation fails, we still try to give back the reference on
it. Also initialize ret in case the crtc is not enabled and we hit the
eject button.
Fixes: 1452c25b0e60 ("drm: Add helpers to kick off self refresh mode in
drivers")
Cc: Daniel Vetter <dan...@ffwll.ch>
Cc: Jose Souza <jose.so...@intel.com>
Cc: Zain Wang <w...@rock-chips.com>
Cc: Tomasz Figa <tf...@chromium.org>
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Sam Ravnborg <s...@ravnborg.org>
Cc: Sean Paul <seanp...@chromium.org>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Maxime Ripard <maxime.rip...@bootlin.com>
Cc: Sean Paul <s...@poorly.run>
Cc: David Airlie <airl...@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Sean Paul <seanp...@chromium.org>
---
drivers/gpu/drm/drm_self_refresh_helper.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_self_refresh_helper.c
b/drivers/gpu/drm/drm_self_refresh_helper.c
index e0d2ad1f070cb..4b9424a8f1f1c 100644
--- a/drivers/gpu/drm/drm_self_refresh_helper.c
+++ b/drivers/gpu/drm/drm_self_refresh_helper.c
@@ -69,14 +69,14 @@ static void drm_self_refresh_helper_entry_work(struct
work_struct *work)
struct drm_connector *conn;
struct drm_connector_state *conn_state;
struct drm_crtc_state *crtc_state;
- int i, ret;
+ int i, ret = 0;
drm_modeset_acquire_init(&ctx, 0);
state = drm_atomic_state_alloc(dev);
if (!state) {
ret = -ENOMEM;
- goto out;
+ goto out_drop_locks;
}
retry:
@@ -116,6 +116,8 @@ static void drm_self_refresh_helper_entry_work(struct
work_struct *work)
}
drm_atomic_state_put(state);
+
+out_drop_locks:
drm_modeset_drop_locks(&ctx);
drm_modeset_acquire_fini(&ctx);
}
--
Sean Paul, Software Engineer, Google / Chromium OS
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