drm/via: Remove references to drm_device.pdev

Replace all references to struct drm_device's pdev field with
an upcast from dev.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210502104953.21768-7-tzimmermann@suse.de

drivers/gpu/drm/via/via_dmablit.c

@@ -494,6 +494,7 @@ via_dmablit_workqueue(struct work_struct *work)
 {
 	drm_via_blitq_t *blitq = container_of(work, drm_via_blitq_t, wq);
 	struct drm_device *dev = blitq->dev;
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	unsigned long irqsave;
 	drm_via_sg_info_t *cur_sg;
 	int cur_released;
@@ -520,7 +521,7 @@ via_dmablit_workqueue(struct work_struct *work)
 
 		wake_up(&blitq->busy_queue);
 
-		via_free_sg_info(dev->pdev, cur_sg);
+		via_free_sg_info(pdev, cur_sg);
 		kfree(cur_sg);
 
 		spin_lock_irqsave(&blitq->blit_lock, irqsave);
@@ -540,9 +541,10 @@ via_init_dmablit(struct drm_device *dev)
 {
 	int i, j;
 	drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private;
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	drm_via_blitq_t *blitq;
 
-	pci_set_master(dev->pdev);
+	pci_set_master(pdev);
 
 	for (i = 0; i < VIA_NUM_BLIT_ENGINES; ++i) {
 		blitq = dev_priv->blit_queues + i;
@@ -573,6 +575,7 @@ via_init_dmablit(struct drm_device *dev)
 static int
 via_build_sg_info(struct drm_device *dev, drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer)
 {
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	int draw = xfer->to_fb;
 	int ret = 0;
 
@@ -652,17 +655,17 @@ via_build_sg_info(struct drm_device *dev, drm_via_sg_info_t *vsg, drm_via_dmabli
 
 	if (0 != (ret = via_lock_all_dma_pages(vsg, xfer))) {
 		DRM_ERROR("Could not lock DMA pages.\n");
-		via_free_sg_info(dev->pdev, vsg);
+		via_free_sg_info(pdev, vsg);
 		return ret;
 	}
 
-	via_map_blit_for_device(dev->pdev, xfer, vsg, 0);
+	via_map_blit_for_device(pdev, xfer, vsg, 0);
 	if (0 != (ret = via_alloc_desc_pages(vsg))) {
 		DRM_ERROR("Could not allocate DMA descriptor pages.\n");
-		via_free_sg_info(dev->pdev, vsg);
+		via_free_sg_info(pdev, vsg);
 		return ret;
 	}
-	via_map_blit_for_device(dev->pdev, xfer, vsg, 1);
+	via_map_blit_for_device(pdev, xfer, vsg, 1);
 
 	return 0;
 }

drivers/gpu/drm/via/via_map.c

@@ -98,6 +98,7 @@ int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
 
 int via_driver_load(struct drm_device *dev, unsigned long chipset)
 {
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	drm_via_private_t *dev_priv;
 	int ret = 0;
 
@@ -110,7 +111,7 @@ int via_driver_load(struct drm_device *dev, unsigned long chipset)
 
 	dev_priv->chipset = chipset;
 
-	pci_set_master(dev->pdev);
+	pci_set_master(pdev);
 
 	ret = drm_vblank_init(dev, 1);
 	if (ret) {