[PATCH v3 1/7] drm/radeon: remove load callback

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Remove ".load" callback form "kms_driver", and move "struct drm_device"
into radeon_device. Patch 2 to 7 follows up with changing the way of
accessing drm_device, from "rdev->ddev" to "rdev_to_drm(rdev)" which is
"&rdev->ddev".

Signed-off-by: Wu Hoi Pok <wuhoipok@xxxxxxxxx>
---
 drivers/gpu/drm/radeon/radeon.h     | 11 ++++++++---
 drivers/gpu/drm/radeon/radeon_drv.c | 27 ++++++++++++++++++---------
 drivers/gpu/drm/radeon/radeon_drv.h |  1 -
 drivers/gpu/drm/radeon/radeon_kms.c | 18 ++++++------------
 4 files changed, 32 insertions(+), 25 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 0999c8eaae94..69bb30ced189 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;
@@ -2440,10 +2440,13 @@ struct radeon_device {
 	u64 gart_pin_size;
 };
 
+static inline struct drm_device *rdev_to_drm(struct radeon_device *rdev)
+{
+	return &rdev->ddev;
+}
+
 bool radeon_is_px(struct drm_device *dev);
 int radeon_device_init(struct radeon_device *rdev,
-		       struct drm_device *ddev,
-		       struct pci_dev *pdev,
 		       uint32_t flags);
 void radeon_device_fini(struct radeon_device *rdev);
 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
@@ -2818,6 +2821,8 @@ struct radeon_device *radeon_get_rdev(struct ttm_device *bdev);
 
 /* KMS */
 
+int radeon_driver_load_kms(struct radeon_device *dev, unsigned long flags);
+
 u32 radeon_get_vblank_counter_kms(struct drm_crtc *crtc);
 int radeon_enable_vblank_kms(struct drm_crtc *crtc);
 void radeon_disable_vblank_kms(struct drm_crtc *crtc);
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 7bf08164140e..ae9cadceba83 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -259,7 +259,8 @@ static int radeon_pci_probe(struct pci_dev *pdev,
 			    const struct pci_device_id *ent)
 {
 	unsigned long flags = 0;
-	struct drm_device *dev;
+	struct drm_device *ddev;
+	struct radeon_device *rdev;
 	int ret;
 
 	if (!ent)
@@ -300,28 +301,37 @@ static int radeon_pci_probe(struct pci_dev *pdev,
 	if (ret)
 		return ret;
 
-	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
-	if (IS_ERR(dev))
-		return PTR_ERR(dev);
+	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)
 		goto err_free;
 
-	pci_set_drvdata(pdev, dev);
+	pci_set_drvdata(pdev, ddev);
+
+	ret = radeon_driver_load_kms(rdev, flags);
+	if (ret)
+		goto err_agp;
 
-	ret = drm_dev_register(dev, ent->driver_data);
+	ret = drm_dev_register(ddev, flags);
 	if (ret)
 		goto err_agp;
 
-	radeon_fbdev_setup(dev->dev_private);
+	radeon_fbdev_setup(ddev->dev_private);
 
 	return 0;
 
 err_agp:
 	pci_disable_device(pdev);
 err_free:
-	drm_dev_put(dev);
+	drm_dev_put(ddev);
 	return ret;
 }
 
@@ -569,7 +579,6 @@ static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
 static const struct drm_driver kms_driver = {
 	.driver_features =
 	    DRIVER_GEM | DRIVER_RENDER | DRIVER_MODESET,
-	.load = radeon_driver_load_kms,
 	.open = radeon_driver_open_kms,
 	.postclose = radeon_driver_postclose_kms,
 	.unload = radeon_driver_unload_kms,
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 02a65971d140..6c1eb75a951b 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -117,7 +117,6 @@
 long radeon_drm_ioctl(struct file *filp,
 		      unsigned int cmd, unsigned long arg);
 
-int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 void radeon_driver_unload_kms(struct drm_device *dev);
 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
 void radeon_driver_postclose_kms(struct drm_device *dev,
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index a16590c6247f..d2df194393af 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -91,7 +91,7 @@ void radeon_driver_unload_kms(struct drm_device *dev)
 /**
  * radeon_driver_load_kms - Main load function for KMS.
  *
- * @dev: drm dev pointer
+ * @rdev: radeon dev pointer
  * @flags: device flags
  *
  * This is the main load function for KMS (all asics).
@@ -101,24 +101,18 @@ void radeon_driver_unload_kms(struct drm_device *dev)
  * (crtcs, encoders, hotplug detect, etc.).
  * Returns 0 on success, error on failure.
  */
-int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
+int radeon_driver_load_kms(struct radeon_device *rdev, unsigned long flags)
 {
-	struct pci_dev *pdev = to_pci_dev(dev->dev);
-	struct radeon_device *rdev;
+	struct pci_dev *pdev = rdev->pdev;
+	struct drm_device *dev = rdev_to_drm(rdev);
 	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
 
 	if (pci_find_capability(pdev, PCI_CAP_ID_AGP))
-		rdev->agp = radeon_agp_head_init(dev);
+		rdev->agp = radeon_agp_head_init(rdev_to_drm(rdev));
 	if (rdev->agp) {
 		rdev->agp->agp_mtrr = arch_phys_wc_add(
 			rdev->agp->agp_info.aper_base,
@@ -147,7 +141,7 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
 	 * properly initialize the GPU MC controller and permit
 	 * VRAM allocation
 	 */
-	r = radeon_device_init(rdev, dev, pdev, flags);
+	r = radeon_device_init(rdev, flags);
 	if (r) {
 		dev_err(dev->dev, "Fatal error during GPU init\n");
 		goto out;
-- 
2.45.2




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