drm/qxl: Remove references to struct drm_device.pdev

Using struct drm_device.pdev is deprecated. Convert qxl to struct
drm_device.dev. No functional changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201201103542.2182-15-tzimmermann@suse.de

drivers/gpu/drm/qxl/qxl_drv.c

@@ -163,7 +163,7 @@ DEFINE_DRM_GEM_FOPS(qxl_fops);
 
 static int qxl_drm_freeze(struct drm_device *dev)
 {
-	struct pci_dev *pdev = dev->pdev;
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	struct qxl_device *qdev = to_qxl(dev);
 	int ret;
 

drivers/gpu/drm/qxl/qxl_ioctl.c

@@ -370,13 +370,14 @@ static int qxl_clientcap_ioctl(struct drm_device *dev, void *data,
 				  struct drm_file *file_priv)
 {
 	struct qxl_device *qdev = to_qxl(dev);
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	struct drm_qxl_clientcap *param = data;
 	int byte, idx;
 
 	byte = param->index / 8;
 	idx = param->index % 8;
 
-	if (dev->pdev->revision < 4)
+	if (pdev->revision < 4)
 		return -ENOSYS;
 
 	if (byte >= 58)

drivers/gpu/drm/qxl/qxl_irq.c

@@ -81,6 +81,7 @@ static void qxl_client_monitors_config_work_func(struct work_struct *work)
 
 int qxl_irq_init(struct qxl_device *qdev)
 {
+	struct pci_dev *pdev = to_pci_dev(qdev->ddev.dev);
 	int ret;
 
 	init_waitqueue_head(&qdev->display_event);
@@ -93,7 +94,7 @@ int qxl_irq_init(struct qxl_device *qdev)
 	atomic_set(&qdev->irq_received_cursor, 0);
 	atomic_set(&qdev->irq_received_io_cmd, 0);
 	qdev->irq_received_error = 0;
-	ret = drm_irq_install(&qdev->ddev, qdev->ddev.pdev->irq);
+	ret = drm_irq_install(&qdev->ddev, pdev->irq);
 	qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Failed installing irq: %d\n", ret);

drivers/gpu/drm/qxl/qxl_kms.c

@@ -111,7 +111,6 @@ int qxl_device_init(struct qxl_device *qdev,
 {
 	int r, sb;
 
-	qdev->ddev.pdev = pdev;
 	pci_set_drvdata(pdev, &qdev->ddev);
 
 	mutex_init(&qdev->gem.mutex);