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

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Message-ID: <1600658722-35945-4-git-send-email-tiantao6@hisilicon.com>
Date:   Mon, 21 Sep 2020 11:25:22 +0800
From:   Tian Tao <tiantao6@...ilicon.com>
To:     <airlied@...ux.ie>, <daniel@...ll.ch>, <tzimmermann@...e.de>,
        <kraxel@...hat.com>, <alexander.deucher@....com>,
        <tglx@...utronix.de>, <dri-devel@...ts.freedesktop.org>,
        <xinliang.liu@...aro.org>, <linux-kernel@...r.kernel.org>
CC:     <linuxarm@...wei.com>
Subject: [PATCH drm/hisilicon 3/3] drm/hisilicon: Releasing Resources in the Destroy callback Function

Rewrite the desrtoy callback function to release resources.

Signed-off-by: Tian Tao <tiantao6@...ilicon.com>
---
 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