From: Tian Tao <tiantao6@hisilicon.com>
To: <puck.chen@hisilicon.com>, <airlied@linux.ie>, <daniel@ffwll.ch>,
<tzimmermann@suse.de>, <kraxel@redhat.com>,
<alexander.deucher@amd.com>, <tglx@linutronix.de>,
<dri-devel@lists.freedesktop.org>, <xinliang.liu@linaro.org>,
<linux-kernel@vger.kernel.org>
Cc: <linuxarm@huawei.com>
Subject: [PATCH] drm/hisilicon: Add the shutdown for hibmc_pci_driver
Date: Sat, 11 Apr 2020 10:49:30 +0800 [thread overview]
Message-ID: <1586573370-41945-1-git-send-email-tiantao6@hisilicon.com> (raw)
add the shutdown function to release the resource.
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
---
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index a6fd0c2..126d4f4 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -232,6 +232,21 @@ static int hibmc_hw_map(struct hibmc_drm_private *priv)
return 0;
}
+static void hibmc_hw_unmap(struct hibmc_drm_private *priv)
+{
+ struct drm_device *dev = priv->dev;
+
+ if (priv->mmio) {
+ devm_iounmap(dev->dev, priv->mmio);
+ priv->mmio = NULL;
+ }
+
+ if (priv->fb_map) {
+ devm_iounmap(dev->dev, priv->fb_map);
+ priv->fb_map = NULL;
+ }
+}
+
static int hibmc_hw_init(struct hibmc_drm_private *priv)
{
int ret;
@@ -258,6 +273,7 @@ static int hibmc_unload(struct drm_device *dev)
hibmc_kms_fini(priv);
hibmc_mm_fini(priv);
+ hibmc_hw_unmap(priv);
dev->dev_private = NULL;
return 0;
}
@@ -374,6 +390,12 @@ static void hibmc_pci_remove(struct pci_dev *pdev)
drm_dev_unregister(dev);
hibmc_unload(dev);
drm_dev_put(dev);
+ pci_disable_device(pdev);
+}
+
+static void hibmc_pci_shutdown(struct pci_dev *pdev)
+{
+ hibmc_pci_remove(pdev);
}
static struct pci_device_id hibmc_pci_table[] = {
@@ -386,6 +408,7 @@ static struct pci_driver hibmc_pci_driver = {
.id_table = hibmc_pci_table,
.probe = hibmc_pci_probe,
.remove = hibmc_pci_remove,
+ .shutdown = hibmc_pci_shutdown,
.driver.pm = &hibmc_pm_ops,
};
--
2.7.4
next reply other threads:[~2020-04-11 2:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-11 2:49 Tian Tao [this message]
2020-04-12 14:18 ` [PATCH] drm/hisilicon: Add the shutdown for hibmc_pci_driver Sam Ravnborg
-- strict thread matches above, loose matches on Subject: below --
2020-03-06 3:42 [PATCH] drm/hisilicon: Add the load and unload for hibmc_driver Tian Tao
2020-03-06 3:42 ` [PATCH] drm/hisilicon: Add the shutdown for hibmc_pci_driver Tian Tao
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