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| author |   Luca Ceresoli <luca.ceresoli@bootlin.com> | 2025-06-20 17:59:53 +0200 |
|---|---|---|
| committer | Luca Ceresoli <luca.ceresoli@bootlin.com> | 2025-06-26 15:05:20 +0200 |
| commit | a7748dd127ea8d9cd2d9d942ef21c85e5569bb73 (patch) | |
| tree | 19926b140e68a030e9d95ed2bdae45140de4d798 | |
| parent | drm/tidss: Add OLDI bridge support (diff) | |
| download | wireguard-linux-a7748dd127ea8d9cd2d9d942ef21c85e5569bb73.tar.xz wireguard-linux-a7748dd127ea8d9cd2d9d942ef21c85e5569bb73.zip | |
drm/bridge: get/put the bridge reference in drm_bridge_add/remove()
drm_bridge_add() adds the bridge to the global bridge_list, so take a
reference for that. Vice versa in drm_bridge_remove().
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250620-drm-bridge-alloc-getput-drm-bridge-c-v9-1-ca53372c9a84@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
| -rw-r--r-- | drivers/gpu/drm/drm_bridge.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index d6ce7b4c019f..fa2b2457b16e 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -295,6 +295,8 @@ EXPORT_SYMBOL(__devm_drm_bridge_alloc); */ void drm_bridge_add(struct drm_bridge *bridge) { + drm_bridge_get(bridge); + mutex_init(&bridge->hpd_mutex); if (bridge->ops & DRM_BRIDGE_OP_HDMI) @@ -342,6 +344,8 @@ void drm_bridge_remove(struct drm_bridge *bridge) mutex_unlock(&bridge_lock); mutex_destroy(&bridge->hpd_mutex); + + drm_bridge_put(bridge); } EXPORT_SYMBOL(drm_bridge_remove); |