staging: vboxvideo: Embed drm_device into driver structure

This is the recommended way to create the drm_device structure,
according to DRM documentation.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vboxvideo/vbox_drv.c

@@ -51,35 +51,31 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
 
 static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-	struct vbox_private *vbox = NULL;
-	struct drm_device *dev = NULL;
+	struct vbox_private *vbox;
 	int ret = 0;
 
 	if (!vbox_check_supported(VBE_DISPI_ID_HGSMI))
 		return -ENODEV;
 
-	dev = drm_dev_alloc(&driver, &pdev->dev);
-	if (IS_ERR(dev))
-		return PTR_ERR(dev);
+	vbox = kzalloc(sizeof(*vbox), GFP_KERNEL);
+	if (!vbox)
+		return -ENOMEM;
 
-	ret = pci_enable_device(pdev);
-	if (ret)
-		goto err_dev_put;
-
-	dev->pdev = pdev;
-	pci_set_drvdata(pdev, dev);
-
-	vbox = devm_kzalloc(&pdev->dev, sizeof(*vbox), GFP_KERNEL);
-	if (!vbox) {
-		ret = -ENOMEM;
-		goto err_pci_disable;
+	ret = drm_dev_init(&vbox->ddev, &driver, &pdev->dev);
+	if (ret) {
+		kfree(vbox);
+		return ret;
 	}
 
-	dev->dev_private = vbox;
-	vbox->dev = dev;
-
+	vbox->ddev.pdev = pdev;
+	vbox->ddev.dev_private = vbox;
+	pci_set_drvdata(pdev, vbox);
 	mutex_init(&vbox->hw_mutex);
 
+	ret = pci_enable_device(pdev);
+	if (ret)
+		goto err_dev_put;
+
 	ret = vbox_hw_init(vbox);
 	if (ret)
 		goto err_pci_disable;
@@ -88,7 +84,7 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (ret)
 		goto err_hw_fini;
 
-	ret = vbox_mode_init(dev);
+	ret = vbox_mode_init(vbox);
 	if (ret)
 		goto err_mm_fini;
 
@@ -96,22 +92,22 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (ret)
 		goto err_mode_fini;
 
-	ret = vbox_fbdev_init(dev);
+	ret = vbox_fbdev_init(vbox);
 	if (ret)
 		goto err_irq_fini;
 
-	ret = drm_dev_register(dev, 0);
+	ret = drm_dev_register(&vbox->ddev, 0);
 	if (ret)
 		goto err_fbdev_fini;
 
 	return 0;
 
 err_fbdev_fini:
-	vbox_fbdev_fini(dev);
+	vbox_fbdev_fini(vbox);
 err_irq_fini:
 	vbox_irq_fini(vbox);
 err_mode_fini:
-	vbox_mode_fini(dev);
+	vbox_mode_fini(vbox);
 err_mm_fini:
 	vbox_mm_fini(vbox);
 err_hw_fini:
@@ -119,110 +115,100 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 err_pci_disable:
 	pci_disable_device(pdev);
 err_dev_put:
-	drm_dev_put(dev);
+	drm_dev_put(&vbox->ddev);
 	return ret;
 }
 
 static void vbox_pci_remove(struct pci_dev *pdev)
 {
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	struct vbox_private *vbox = dev->dev_private;
+	struct vbox_private *vbox = pci_get_drvdata(pdev);
 
-	drm_dev_unregister(dev);
-	vbox_fbdev_fini(dev);
+	drm_dev_unregister(&vbox->ddev);
+	vbox_fbdev_fini(vbox);
 	vbox_irq_fini(vbox);
-	vbox_mode_fini(dev);
+	vbox_mode_fini(vbox);
 	vbox_mm_fini(vbox);
 	vbox_hw_fini(vbox);
-	drm_dev_put(dev);
+	drm_dev_put(&vbox->ddev);
 }
 
-static int vbox_drm_freeze(struct drm_device *dev)
+static int vbox_drm_freeze(struct vbox_private *vbox)
 {
-	struct vbox_private *vbox = dev->dev_private;
-
-	drm_kms_helper_poll_disable(dev);
+	drm_kms_helper_poll_disable(&vbox->ddev);
 
-	pci_save_state(dev->pdev);
+	pci_save_state(vbox->ddev.pdev);
 
 	drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, true);
 
 	return 0;
 }
 
-static int vbox_drm_thaw(struct drm_device *dev)
+static int vbox_drm_thaw(struct vbox_private *vbox)
 {
-	struct vbox_private *vbox = dev->dev_private;
-
-	drm_mode_config_reset(dev);
-	drm_helper_resume_force_mode(dev);
+	drm_mode_config_reset(&vbox->ddev);
+	drm_helper_resume_force_mode(&vbox->ddev);
 	drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, false);
 
 	return 0;
 }
 
-static int vbox_drm_resume(struct drm_device *dev)
+static int vbox_drm_resume(struct vbox_private *vbox)
 {
 	int ret;
 
-	if (pci_enable_device(dev->pdev))
+	if (pci_enable_device(vbox->ddev.pdev))
 		return -EIO;
 
-	ret = vbox_drm_thaw(dev);
+	ret = vbox_drm_thaw(vbox);
 	if (ret)
 		return ret;
 
-	drm_kms_helper_poll_enable(dev);
+	drm_kms_helper_poll_enable(&vbox->ddev);
 
 	return 0;
 }
 
 static int vbox_pm_suspend(struct device *dev)
 {
-	struct pci_dev *pdev = to_pci_dev(dev);
-	struct drm_device *ddev = pci_get_drvdata(pdev);
+	struct vbox_private *vbox = dev_get_drvdata(dev);
 	int error;
 
-	error = vbox_drm_freeze(ddev);
+	error = vbox_drm_freeze(vbox);
 	if (error)
 		return error;
 
-	pci_disable_device(pdev);
-	pci_set_power_state(pdev, PCI_D3hot);
+	pci_disable_device(vbox->ddev.pdev);
+	pci_set_power_state(vbox->ddev.pdev, PCI_D3hot);
 
 	return 0;
 }
 
 static int vbox_pm_resume(struct device *dev)
 {
-	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+	struct vbox_private *vbox = dev_get_drvdata(dev);
 
-	return vbox_drm_resume(ddev);
+	return vbox_drm_resume(vbox);
 }
 
 static int vbox_pm_freeze(struct device *dev)
 {
-	struct pci_dev *pdev = to_pci_dev(dev);
-	struct drm_device *ddev = pci_get_drvdata(pdev);
-
-	if (!ddev || !ddev->dev_private)
-		return -ENODEV;
+	struct vbox_private *vbox = dev_get_drvdata(dev);
 
-	return vbox_drm_freeze(ddev);
+	return vbox_drm_freeze(vbox);
 }
 
 static int vbox_pm_thaw(struct device *dev)
 {
-	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+	struct vbox_private *vbox = dev_get_drvdata(dev);
 
-	return vbox_drm_thaw(ddev);
+	return vbox_drm_thaw(vbox);
 }
 
 static int vbox_pm_poweroff(struct device *dev)
 {
-	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+	struct vbox_private *vbox = dev_get_drvdata(dev);
 
-	return vbox_drm_freeze(ddev);
+	return vbox_drm_freeze(vbox);
 }
 
 static const struct dev_pm_ops vbox_pm_ops = {

drivers/staging/vboxvideo/vbox_drv.h

@@ -75,7 +75,8 @@
 struct vbox_fbdev;
 
 struct vbox_private {
-	struct drm_device *dev;
+	/* Must be first; or we must define our own release callback */
+	struct drm_device ddev;
 
 	u8 __iomem *guest_heap;
 	u8 __iomem *vbva_buffers;
@@ -179,8 +180,8 @@ bool vbox_check_supported(u16 id);
 int vbox_hw_init(struct vbox_private *vbox);
 void vbox_hw_fini(struct vbox_private *vbox);
 
-int vbox_mode_init(struct drm_device *dev);
-void vbox_mode_fini(struct drm_device *dev);
+int vbox_mode_init(struct vbox_private *vbox);
+void vbox_mode_fini(struct vbox_private *vbox);
 
 #define DRM_MODE_FB_CMD drm_mode_fb_cmd2
 #define CRTC_FB(crtc) ((crtc)->primary->fb)
@@ -193,13 +194,13 @@ void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb,
 				       struct drm_clip_rect *rects,
 				       unsigned int num_rects);
 
-int vbox_framebuffer_init(struct drm_device *dev,
+int vbox_framebuffer_init(struct vbox_private *vbox,
 			  struct vbox_framebuffer *vbox_fb,
 			  const struct DRM_MODE_FB_CMD *mode_cmd,
 			  struct drm_gem_object *obj);
 
-int vbox_fbdev_init(struct drm_device *dev);
-void vbox_fbdev_fini(struct drm_device *dev);
+int vbox_fbdev_init(struct vbox_private *vbox);
+void vbox_fbdev_fini(struct vbox_private *vbox);
 void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr);
 
 struct vbox_bo {
@@ -234,10 +235,10 @@ int vbox_dumb_mmap_offset(struct drm_file *file,
 int vbox_mm_init(struct vbox_private *vbox);
 void vbox_mm_fini(struct vbox_private *vbox);
 
-int vbox_bo_create(struct drm_device *dev, int size, int align,
+int vbox_bo_create(struct vbox_private *vbox, int size, int align,
 		   u32 flags, struct vbox_bo **pvboxbo);
 
-int vbox_gem_create(struct drm_device *dev,
+int vbox_gem_create(struct vbox_private *vbox,
 		    u32 size, bool iskernel, struct drm_gem_object **obj);
 
 int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr);

drivers/staging/vboxvideo/vbox_fb.c

@@ -71,7 +71,9 @@ static int vboxfb_create(struct drm_fb_helper *helper,
 {
 	struct vbox_fbdev *fbdev =
 	    container_of(helper, struct vbox_fbdev, helper);
-	struct drm_device *dev = fbdev->helper.dev;
+	struct vbox_private *vbox = container_of(fbdev->helper.dev,
+						 struct vbox_private, ddev);
+	struct pci_dev *pdev = vbox->ddev.pdev;
 	struct DRM_MODE_FB_CMD mode_cmd;
 	struct drm_framebuffer *fb;
 	struct fb_info *info;
@@ -89,13 +91,13 @@ static int vboxfb_create(struct drm_fb_helper *helper,
 
 	size = pitch * mode_cmd.height;
 
-	ret = vbox_gem_create(fbdev->helper.dev, size, true, &gobj);
+	ret = vbox_gem_create(vbox, size, true, &gobj);
 	if (ret) {
 		DRM_ERROR("failed to create fbcon backing object %d\n", ret);
 		return ret;
 	}
 
-	ret = vbox_framebuffer_init(dev, &fbdev->afb, &mode_cmd, gobj);
+	ret = vbox_framebuffer_init(vbox, &fbdev->afb, &mode_cmd, gobj);
 	if (ret)
 		return ret;
 
@@ -143,8 +145,8 @@ static int vboxfb_create(struct drm_fb_helper *helper,
 	 * This seems to be done for safety checking that the framebuffer
 	 * is not registered twice by different drivers.
 	 */
-	info->apertures->ranges[0].base = pci_resource_start(dev->pdev, 0);
-	info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0);
+	info->apertures->ranges[0].base = pci_resource_start(pdev, 0);
+	info->apertures->ranges[0].size = pci_resource_len(pdev, 0);
 
 	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
 	drm_fb_helper_fill_var(info, &fbdev->helper, sizes->fb_width,
@@ -169,9 +171,8 @@ static struct drm_fb_helper_funcs vbox_fb_helper_funcs = {
 	.fb_probe = vboxfb_create,
 };
 
-void vbox_fbdev_fini(struct drm_device *dev)
+void vbox_fbdev_fini(struct vbox_private *vbox)
 {
-	struct vbox_private *vbox = dev->dev_private;
 	struct vbox_fbdev *fbdev = vbox->fbdev;
 	struct vbox_framebuffer *afb = &fbdev->afb;
 
@@ -205,9 +206,9 @@ void vbox_fbdev_fini(struct drm_device *dev)
 	drm_framebuffer_cleanup(&afb->base);
 }
 
-int vbox_fbdev_init(struct drm_device *dev)
+int vbox_fbdev_init(struct vbox_private *vbox)
 {
-	struct vbox_private *vbox = dev->dev_private;
+	struct drm_device *dev = &vbox->ddev;
 	struct vbox_fbdev *fbdev;
 	int ret;
 

drivers/staging/vboxvideo/vbox_irq.c

@@ -123,7 +123,7 @@ static void validate_or_set_position_hints(struct vbox_private *vbox)
  */
 static void vbox_update_mode_hints(struct vbox_private *vbox)
 {
-	struct drm_device *dev = vbox->dev;
+	struct drm_device *dev = &vbox->ddev;
 	struct drm_connector *connector;
 	struct vbox_connector *vbox_conn;
 	struct vbva_modehint *hints;
@@ -179,7 +179,7 @@ static void vbox_hotplug_worker(struct work_struct *work)
 						 hotplug_work);
 
 	vbox_update_mode_hints(vbox);
-	drm_kms_helper_hotplug_event(vbox->dev);
+	drm_kms_helper_hotplug_event(&vbox->ddev);
 }
 
 int vbox_irq_init(struct vbox_private *vbox)
@@ -187,11 +187,11 @@ int vbox_irq_init(struct vbox_private *vbox)
 	INIT_WORK(&vbox->hotplug_work, vbox_hotplug_worker);
 	vbox_update_mode_hints(vbox);
 
-	return drm_irq_install(vbox->dev, vbox->dev->pdev->irq);
+	return drm_irq_install(&vbox->ddev, vbox->ddev.pdev->irq);
 }
 
 void vbox_irq_fini(struct vbox_private *vbox)
 {
-	drm_irq_uninstall(vbox->dev);
+	drm_irq_uninstall(&vbox->ddev);
 	flush_work(&vbox->hotplug_work);
 }

drivers/staging/vboxvideo/vbox_main.c

@@ -155,16 +155,16 @@ static const struct drm_framebuffer_funcs vbox_fb_funcs = {
 	.dirty = vbox_user_framebuffer_dirty,
 };
 
-int vbox_framebuffer_init(struct drm_device *dev,
+int vbox_framebuffer_init(struct vbox_private *vbox,
 			  struct vbox_framebuffer *vbox_fb,
 			  const struct DRM_MODE_FB_CMD *mode_cmd,
 			  struct drm_gem_object *obj)
 {
 	int ret;
 
-	drm_helper_mode_fill_fb_struct(dev, &vbox_fb->base, mode_cmd);
+	drm_helper_mode_fill_fb_struct(&vbox->ddev, &vbox_fb->base, mode_cmd);
 	vbox_fb->obj = obj;
-	ret = drm_framebuffer_init(dev, &vbox_fb->base, &vbox_fb_funcs);
+	ret = drm_framebuffer_init(&vbox->ddev, &vbox_fb->base, &vbox_fb_funcs);
 	if (ret) {
 		DRM_ERROR("framebuffer init failed %d\n", ret);
 		return ret;
@@ -177,7 +177,7 @@ static int vbox_accel_init(struct vbox_private *vbox)
 {
 	unsigned int i;
 
-	vbox->vbva_info = devm_kcalloc(vbox->dev->dev, vbox->num_crtcs,
+	vbox->vbva_info = devm_kcalloc(vbox->ddev.dev, vbox->num_crtcs,
 				       sizeof(*vbox->vbva_info), GFP_KERNEL);
 	if (!vbox->vbva_info)
 		return -ENOMEM;
@@ -185,7 +185,7 @@ static int vbox_accel_init(struct vbox_private *vbox)
 	/* Take a command buffer for each screen from the end of usable VRAM. */
 	vbox->available_vram_size -= vbox->num_crtcs * VBVA_MIN_BUFFER_SIZE;
 
-	vbox->vbva_buffers = pci_iomap_range(vbox->dev->pdev, 0,
+	vbox->vbva_buffers = pci_iomap_range(vbox->ddev.pdev, 0,
 					     vbox->available_vram_size,
 					     vbox->num_crtcs *
 					     VBVA_MIN_BUFFER_SIZE);
@@ -204,7 +204,7 @@ static int vbox_accel_init(struct vbox_private *vbox)
 static void vbox_accel_fini(struct vbox_private *vbox)
 {
 	vbox_disable_accel(vbox);
-	pci_iounmap(vbox->dev->pdev, vbox->vbva_buffers);
+	pci_iounmap(vbox->ddev.pdev, vbox->vbva_buffers);
 }
 
 /** Do we support the 4.3 plus mode hint reporting interface? */
@@ -253,7 +253,7 @@ int vbox_hw_init(struct vbox_private *vbox)
 
 	/* Map guest-heap at end of vram */
 	vbox->guest_heap =
-	    pci_iomap_range(vbox->dev->pdev, 0, GUEST_HEAP_OFFSET(vbox),
+	    pci_iomap_range(vbox->ddev.pdev, 0, GUEST_HEAP_OFFSET(vbox),
 			    GUEST_HEAP_SIZE);
 	if (!vbox->guest_heap)
 		return -ENOMEM;
@@ -288,7 +288,7 @@ int vbox_hw_init(struct vbox_private *vbox)
 		goto err_destroy_guest_pool;
 	}
 
-	vbox->last_mode_hints = devm_kcalloc(vbox->dev->dev, vbox->num_crtcs,
+	vbox->last_mode_hints = devm_kcalloc(vbox->ddev.dev, vbox->num_crtcs,
 					     sizeof(struct vbva_modehint),
 					     GFP_KERNEL);
 	if (!vbox->last_mode_hints) {
@@ -305,7 +305,7 @@ int vbox_hw_init(struct vbox_private *vbox)
 err_destroy_guest_pool:
 	gen_pool_destroy(vbox->guest_pool);
 err_unmap_guest_heap:
-	pci_iounmap(vbox->dev->pdev, vbox->guest_heap);
+	pci_iounmap(vbox->ddev.pdev, vbox->guest_heap);
 	return ret;
 }
 
@@ -313,7 +313,7 @@ void vbox_hw_fini(struct vbox_private *vbox)
 {
 	vbox_accel_fini(vbox);
 	gen_pool_destroy(vbox->guest_pool);
-	pci_iounmap(vbox->dev->pdev, vbox->guest_heap);
+	pci_iounmap(vbox->ddev.pdev, vbox->guest_heap);
 }
 
 /**
@@ -328,7 +328,7 @@ void vbox_driver_lastclose(struct drm_device *dev)
 		drm_fb_helper_restore_fbdev_mode_unlocked(&vbox->fbdev->helper);
 }
 
-int vbox_gem_create(struct drm_device *dev,
+int vbox_gem_create(struct vbox_private *vbox,
 		    u32 size, bool iskernel, struct drm_gem_object **obj)
 {
 	struct vbox_bo *vboxbo;
@@ -340,7 +340,7 @@ int vbox_gem_create(struct drm_device *dev,
 	if (size == 0)
 		return -EINVAL;
 
-	ret = vbox_bo_create(dev, size, 0, 0, &vboxbo);
+	ret = vbox_bo_create(vbox, size, 0, 0, &vboxbo);
 	if (ret) {
 		if (ret != -ERESTARTSYS)
 			DRM_ERROR("failed to allocate GEM object\n");
@@ -355,14 +355,16 @@ int vbox_gem_create(struct drm_device *dev,
 int vbox_dumb_create(struct drm_file *file,
 		     struct drm_device *dev, struct drm_mode_create_dumb *args)
 {
-	int ret;
+	struct vbox_private *vbox =
+		container_of(dev, struct vbox_private, ddev);
 	struct drm_gem_object *gobj;
 	u32 handle;
+	int ret;
 
 	args->pitch = args->width * ((args->bpp + 7) / 8);
 	args->size = args->pitch * args->height;
 
-	ret = vbox_gem_create(dev, args->size, false, &gobj);
+	ret = vbox_gem_create(vbox, args->size, false, &gobj);
 	if (ret)
 		return ret;
 

drivers/staging/vboxvideo/vbox_mode.c

@@ -179,7 +179,7 @@ static bool vbox_set_up_input_mapping(struct vbox_private *vbox)
 	 * If so then screen layout can be deduced from the crtc offsets.
 	 * Same fall-back if this is the fbdev frame-buffer.
 	 */
-	list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, head) {
+	list_for_each_entry(crtci, &vbox->ddev.mode_config.crtc_list, head) {
 		if (!fb1) {
 			fb1 = CRTC_FB(crtci);
 			if (to_vbox_framebuffer(fb1) == &vbox->fbdev->afb)
@@ -189,7 +189,7 @@ static bool vbox_set_up_input_mapping(struct vbox_private *vbox)
 		}
 	}
 	if (single_framebuffer) {
-		list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list,
+		list_for_each_entry(crtci, &vbox->ddev.mode_config.crtc_list,
 				    head) {
 			if (to_vbox_crtc(crtci)->crtc_id != 0)
 				continue;
@@ -202,7 +202,7 @@ static bool vbox_set_up_input_mapping(struct vbox_private *vbox)
 		}
 	}
 	/* Otherwise calculate the total span of all screens. */
-	list_for_each_entry(connectori, &vbox->dev->mode_config.connector_list,
+	list_for_each_entry(connectori, &vbox->ddev.mode_config.connector_list,
 			    head) {
 		struct vbox_connector *vbox_connector =
 		    to_vbox_connector(connectori);
@@ -285,7 +285,7 @@ static int vbox_crtc_set_base_and_mode(struct drm_crtc *crtc,
 	if (mode && vbox_set_up_input_mapping(vbox)) {
 		struct drm_crtc *crtci;
 
-		list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list,
+		list_for_each_entry(crtci, &vbox->ddev.mode_config.crtc_list,
 				    head) {
 			if (crtci == crtc)
 				continue;
@@ -324,8 +324,6 @@ static int vbox_crtc_page_flip(struct drm_crtc *crtc,
 			       uint32_t page_flip_flags,
 			       struct drm_modeset_acquire_ctx *ctx)
 {
-	struct vbox_private *vbox = crtc->dev->dev_private;
-	struct drm_device *drm = vbox->dev;
 	unsigned long flags;
 	int rc;
 
@@ -333,12 +331,12 @@ static int vbox_crtc_page_flip(struct drm_crtc *crtc,
 	if (rc)
 		return rc;
 
-	spin_lock_irqsave(&drm->event_lock, flags);
+	spin_lock_irqsave(&crtc->dev->event_lock, flags);
 
 	if (event)
 		drm_crtc_send_vblank_event(crtc, event);
 
-	spin_unlock_irqrestore(&drm->event_lock, flags);
+	spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
 
 	return 0;
 }
@@ -593,19 +591,19 @@ static int vbox_get_modes(struct drm_connector *connector)
 
 	if (vbox_connector->vbox_crtc->x_hint != -1)
 		drm_object_property_set_value(&connector->base,
-			vbox->dev->mode_config.suggested_x_property,
+			vbox->ddev.mode_config.suggested_x_property,
 			vbox_connector->vbox_crtc->x_hint);
 	else
 		drm_object_property_set_value(&connector->base,
-			vbox->dev->mode_config.suggested_x_property, 0);
+			vbox->ddev.mode_config.suggested_x_property, 0);
 
 	if (vbox_connector->vbox_crtc->y_hint != -1)
 		drm_object_property_set_value(&connector->base,
-			vbox->dev->mode_config.suggested_y_property,
+			vbox->ddev.mode_config.suggested_y_property,
 			vbox_connector->vbox_crtc->y_hint);
 	else
 		drm_object_property_set_value(&connector->base,
-			vbox->dev->mode_config.suggested_y_property, 0);
+			vbox->ddev.mode_config.suggested_y_property, 0);
 
 	return num_modes;
 }
@@ -701,6 +699,8 @@ static struct drm_framebuffer *vbox_user_framebuffer_create(
 		struct drm_file *filp,
 		const struct drm_mode_fb_cmd2 *mode_cmd)
 {
+	struct vbox_private *vbox =
+		container_of(dev, struct vbox_private, ddev);
 	struct drm_gem_object *obj;
 	struct vbox_framebuffer *vbox_fb;
 	int ret = -ENOMEM;
@@ -713,7 +713,7 @@ static struct drm_framebuffer *vbox_user_framebuffer_create(
 	if (!vbox_fb)
 		goto err_unref_obj;
 
-	ret = vbox_framebuffer_init(dev, vbox_fb, mode_cmd, obj);
+	ret = vbox_framebuffer_init(vbox, vbox_fb, mode_cmd, obj);
 	if (ret)
 		goto err_free_vbox_fb;
 
@@ -730,9 +730,9 @@ static const struct drm_mode_config_funcs vbox_mode_funcs = {
 	.fb_create = vbox_user_framebuffer_create,
 };
 
-int vbox_mode_init(struct drm_device *dev)
+int vbox_mode_init(struct vbox_private *vbox)
 {
-	struct vbox_private *vbox = dev->dev_private;
+	struct drm_device *dev = &vbox->ddev;
 	struct drm_encoder *encoder;
 	struct vbox_crtc *vbox_crtc;
 	unsigned int i;
@@ -771,9 +771,9 @@ int vbox_mode_init(struct drm_device *dev)
 	return ret;
 }
 
-void vbox_mode_fini(struct drm_device *dev)
+void vbox_mode_fini(struct vbox_private *vbox)
 {
-	drm_mode_config_cleanup(dev);
+	drm_mode_config_cleanup(&vbox->ddev);
 	/* vbox_cursor_fini(dev); */
 }
 
@@ -824,7 +824,7 @@ static int vbox_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
 
 		/* Hide cursor. */
 		vbox_crtc->cursor_enabled = false;
-		list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list,
+		list_for_each_entry(crtci, &vbox->ddev.mode_config.crtc_list,
 				    head) {
 			if (to_vbox_crtc(crtci)->cursor_enabled)
 				cursor_enabled = true;

drivers/staging/vboxvideo/vbox_ttm.c

@@ -169,7 +169,7 @@ static int vbox_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
 		return 0;
 	case TTM_PL_VRAM:
 		mem->bus.offset = mem->start << PAGE_SHIFT;
-		mem->bus.base = pci_resource_start(vbox->dev->pdev, 0);
+		mem->bus.base = pci_resource_start(vbox->ddev.pdev, 0);
 		mem->bus.is_iomem = true;
 		break;
 	default:
@@ -224,7 +224,7 @@ static struct ttm_bo_driver vbox_bo_driver = {
 int vbox_mm_init(struct vbox_private *vbox)
 {
 	int ret;
-	struct drm_device *dev = vbox->dev;
+	struct drm_device *dev = &vbox->ddev;
 	struct ttm_bo_device *bdev = &vbox->ttm.bdev;
 
 	ret = vbox_ttm_global_init(vbox);
@@ -269,8 +269,8 @@ void vbox_mm_fini(struct vbox_private *vbox)
 {
 #ifdef DRM_MTRR_WC
 	drm_mtrr_del(vbox->fb_mtrr,
-		     pci_resource_start(vbox->dev->pdev, 0),
-		     pci_resource_len(vbox->dev->pdev, 0), DRM_MTRR_WC);
+		     pci_resource_start(vbox->ddev.pdev, 0),
+		     pci_resource_len(vbox->ddev.pdev, 0), DRM_MTRR_WC);
 #else
 	arch_phys_wc_del(vbox->fb_mtrr);
 #endif
@@ -305,10 +305,9 @@ void vbox_ttm_placement(struct vbox_bo *bo, int domain)
 	}
 }
 
-int vbox_bo_create(struct drm_device *dev, int size, int align,
+int vbox_bo_create(struct vbox_private *vbox, int size, int align,
 		   u32 flags, struct vbox_bo **pvboxbo)
 {
-	struct vbox_private *vbox = dev->dev_private;
 	struct vbox_bo *vboxbo;
 	size_t acc_size;
 	int ret;
@@ -317,7 +316,7 @@ int vbox_bo_create(struct drm_device *dev, int size, int align,
 	if (!vboxbo)
 		return -ENOMEM;
 
-	ret = drm_gem_object_init(dev, &vboxbo->gem, size);
+	ret = drm_gem_object_init(&vbox->ddev, &vboxbo->gem, size);
 	if (ret)
 		goto err_free_vboxbo;