[PATCH v5 2/9] drm/bridge-connector: switch to using drmm allocations

From: Dmitry Baryshkov
Date: Fri Jun 07 2024 - 09:23:26 EST


Turn drm_bridge_connector to using drmm_kzalloc() and
drmm_connector_init() and drop the custom destroy function. The
drm_connector_unregister() and fwnode_handle_put() are already handled
by the drm_connector_cleanup() and so are safe to be dropped.

Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/gpu/drm/drm_bridge_connector.c | 23 +++++------------------
1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c
index 982552c9f92c..e093fc8928dc 100644
--- a/drivers/gpu/drm/drm_bridge_connector.c
+++ b/drivers/gpu/drm/drm_bridge_connector.c
@@ -15,6 +15,7 @@
#include <drm/drm_connector.h>
#include <drm/drm_device.h>
#include <drm/drm_edid.h>
+#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_probe_helper.h>

@@ -193,19 +194,6 @@ drm_bridge_connector_detect(struct drm_connector *connector, bool force)
return status;
}

-static void drm_bridge_connector_destroy(struct drm_connector *connector)
-{
- struct drm_bridge_connector *bridge_connector =
- to_drm_bridge_connector(connector);
-
- drm_connector_unregister(connector);
- drm_connector_cleanup(connector);
-
- fwnode_handle_put(connector->fwnode);
-
- kfree(bridge_connector);
-}
-
static void drm_bridge_connector_debugfs_init(struct drm_connector *connector,
struct dentry *root)
{
@@ -224,7 +212,6 @@ static const struct drm_connector_funcs drm_bridge_connector_funcs = {
.reset = drm_atomic_helper_connector_reset,
.detect = drm_bridge_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = drm_bridge_connector_destroy,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
.debugfs_init = drm_bridge_connector_debugfs_init,
@@ -328,7 +315,7 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm,
int connector_type;
int ret;

- bridge_connector = kzalloc(sizeof(*bridge_connector), GFP_KERNEL);
+ bridge_connector = drmm_kzalloc(drm, sizeof(*bridge_connector), GFP_KERNEL);
if (!bridge_connector)
return ERR_PTR(-ENOMEM);

@@ -383,9 +370,9 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm,
return ERR_PTR(-EINVAL);
}

- ret = drm_connector_init_with_ddc(drm, connector,
- &drm_bridge_connector_funcs,
- connector_type, ddc);
+ ret = drmm_connector_init(drm, connector,
+ &drm_bridge_connector_funcs,
+ connector_type, ddc);
if (ret) {
kfree(bridge_connector);
return ERR_PTR(ret);

--
2.39.2