linux-kernel - [PATCH] drm: Remove the deprecated drm_put

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Message-Id: <20230625050901.393055-1-suijingfeng@loongson.cn>
Date:   Sun, 25 Jun 2023 13:09:01 +0800
From:   Sui Jingfeng <suijingfeng@...ngson.cn>
To:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Alex Deucher <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>,
        Pan Xinhui <Xinhui.Pan@....com>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        amd-gfx@...ts.freedesktop.org
Subject: [PATCH] drm: Remove the deprecated drm_put_dev() function

As this function can be replaced with drm_dev_unregister() + drm_dev_put(),
it is already marked as deprecated, so remove it. No functional change.

Signed-off-by: Sui Jingfeng <suijingfeng@...ngson.cn>
---
 drivers/gpu/drm/drm_drv.c           | 28 ----------------------------
 drivers/gpu/drm/drm_pci.c           |  3 ++-
 drivers/gpu/drm/radeon/radeon_drv.c |  3 ++-
 include/drm/drm_drv.h               |  1 -
 4 files changed, 4 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 12687dd9e1ac..5057307fe22a 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -406,34 +406,6 @@ void drm_minor_release(struct drm_minor *minor)
  * possibly leaving the hardware enabled.
  */
 
-/**
- * drm_put_dev - Unregister and release a DRM device
- * @dev: DRM device
- *
- * Called at module unload time or when a PCI device is unplugged.
- *
- * Cleans up all DRM device, calling drm_lastclose().
- *
- * Note: Use of this function is deprecated. It will eventually go away
- * completely.  Please use drm_dev_unregister() and drm_dev_put() explicitly
- * instead to make sure that the device isn't userspace accessible any more
- * while teardown is in progress, ensuring that userspace can't access an
- * inconsistent state.
- */
-void drm_put_dev(struct drm_device *dev)
-{
-	DRM_DEBUG("\n");
-
-	if (!dev) {
-		DRM_ERROR("cleanup called no dev\n");
-		return;
-	}
-
-	drm_dev_unregister(dev);
-	drm_dev_put(dev);
-}
-EXPORT_SYMBOL(drm_put_dev);
-
 /**
  * drm_dev_enter - Enter device critical section
  * @dev: DRM device
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index 39d35fc3a43b..b3a68a92eaa6 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -257,7 +257,8 @@ void drm_legacy_pci_exit(const struct drm_driver *driver,
 					 legacy_dev_list) {
 			if (dev->driver == driver) {
 				list_del(&dev->legacy_dev_list);
-				drm_put_dev(dev);
+				drm_dev_unregister(dev);
+				drm_dev_put(dev);
 			}
 		}
 		mutex_unlock(&legacy_dev_list_lock);
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index e4374814f0ef..a4955ae10659 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -357,7 +357,8 @@ radeon_pci_remove(struct pci_dev *pdev)
 {
 	struct drm_device *dev = pci_get_drvdata(pdev);
 
-	drm_put_dev(dev);
+	drm_dev_unregister(dev);
+	drm_dev_put(dev);
 }
 
 static void
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 89e2706cac56..289c97b12e82 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -511,7 +511,6 @@ void drm_dev_unregister(struct drm_device *dev);
 
 void drm_dev_get(struct drm_device *dev);
 void drm_dev_put(struct drm_device *dev);
-void drm_put_dev(struct drm_device *dev);
 bool drm_dev_enter(struct drm_device *dev, int *idx);
 void drm_dev_exit(int idx);
 void drm_dev_unplug(struct drm_device *dev);
-- 
2.25.1