[PATCH v3 6/6] drm/radeon: change drm_dev_alloc to devm_drm_dev_alloc

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"drm_dev_alloc" is deprecated, in order to use the newer "devm_drm_dev_alloc",
the "drm_device" is stored inside "radeon_device", by changing "rdev_to_drm(rdev)"
other functions still gain access to the member "drm_device". Also, "devm_drm_dev_alloc"
is now allocating "radeon_device", allocation inside "radeon_driver_load_kms" has to be
removed.

In "radeon_device_init", it originally assigned "rdev->dev" etc. However it is already
done right after "devm_drm_dev_alloc" as you can see down below. It is better remove them.

Signed-off-by: Wu Hoi Pok <wuhoipok@xxxxxxxxx>
---
 drivers/gpu/drm/radeon/radeon.h        |  4 ++--
 drivers/gpu/drm/radeon/radeon_device.c |  3 ---
 drivers/gpu/drm/radeon/radeon_drv.c    | 12 +++++++++---
 drivers/gpu/drm/radeon/radeon_kms.c    |  8 +-------
 4 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index ae35c102a487..fd8a4513025f 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -2297,7 +2297,7 @@ typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
 
 struct radeon_device {
 	struct device			*dev;
-	struct drm_device		*ddev;
+	struct drm_device		ddev;
 	struct pci_dev			*pdev;
 #ifdef __alpha__
 	struct pci_controller		*hose;
@@ -2478,7 +2478,7 @@ void cik_mm_wdoorbell(struct radeon_device *rdev, u32 index, u32 v);
 
 static inline struct drm_device *rdev_to_drm(struct radeon_device *rdev)
 {
-	return rdev->ddev;
+	return &rdev->ddev;
 }
 
 /*
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 32851632643d..554b236c2328 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1285,9 +1285,6 @@ int radeon_device_init(struct radeon_device *rdev,
 	bool runtime = false;
 
 	rdev->shutdown = false;
-	rdev->dev = &pdev->dev;
-	rdev->ddev = ddev;
-	rdev->pdev = pdev;
 	rdev->flags = flags;
 	rdev->family = flags & RADEON_FAMILY_MASK;
 	rdev->is_atom_bios = false;
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 7b8aa8406751..f36aa71c57c7 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -260,6 +260,7 @@ static int radeon_pci_probe(struct pci_dev *pdev,
 {
 	unsigned long flags = 0;
 	struct drm_device *ddev;
+	struct radeon_device *rdev;
 	int ret;
 
 	if (!ent)
@@ -300,9 +301,14 @@ static int radeon_pci_probe(struct pci_dev *pdev,
 	if (ret)
 		return ret;
 
-	ddev = drm_dev_alloc(&kms_driver, &pdev->dev);
-	if (IS_ERR(ddev))
-		return PTR_ERR(ddev);
+	rdev = devm_drm_dev_alloc(&pdev->dev, &kms_driver, typeof(*rdev), ddev);
+	if (IS_ERR(rdev))
+		return PTR_ERR(rdev);
+
+	rdev->dev = &pdev->dev;
+	rdev->pdev = pdev;
+	ddev = rdev_to_drm(rdev);
+	ddev->dev_private = rdev;
 
 	ret = pci_enable_device(pdev);
 	if (ret)
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index a16590c6247f..645e33bf7947 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -104,15 +104,9 @@ void radeon_driver_unload_kms(struct drm_device *dev)
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
 {
 	struct pci_dev *pdev = to_pci_dev(dev->dev);
-	struct radeon_device *rdev;
+	struct radeon_device *rdev = dev->dev_private;
 	int r, acpi_status;
 
-	rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL);
-	if (rdev == NULL) {
-		return -ENOMEM;
-	}
-	dev->dev_private = (void *)rdev;
-
 #ifdef __alpha__
 	rdev->hose = pdev->sysdata;
 #endif
-- 
2.45.2




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