[PATCH drm/hisilicon 3/3] drm/hisilicon: Releasing Resources in the Destroy callback Function

From: Tian Tao
Date: Sun Sep 20 2020 - 23:28:10 EST


Rewrite the desrtoy callback function to release resources.

Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
---
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
index e84d381..f1541ff 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
@@ -47,6 +47,14 @@ static enum drm_mode_status hibmc_connector_mode_valid(struct drm_connector *con
return MODE_OK;
}

+static void hibmc_connector_destroy(struct drm_connector *connector)
+{
+ struct hibmc_connector *hibmc_connector = to_hibmc_connector(connector);
+
+ i2c_del_adapter(&hibmc_connector->adapter);
+ drm_connector_cleanup(connector);
+}
+
static const struct drm_connector_helper_funcs
hibmc_connector_helper_funcs = {
.get_modes = hibmc_connector_get_modes,
@@ -55,7 +63,7 @@ static const struct drm_connector_helper_funcs

static const struct drm_connector_funcs hibmc_connector_funcs = {
.fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = drm_connector_cleanup,
+ .destroy = hibmc_connector_destroy,
.reset = drm_atomic_helper_connector_reset,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
--
2.7.4