drm/savage: Remove references to struct 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/20210502104953.21768-5-tzimmermann@suse.de

drivers/gpu/drm/savage/savage_bci.c

@@ -547,6 +547,7 @@ static void savage_fake_dma_flush(drm_savage_private_t * dev_priv)
 
 int savage_driver_load(struct drm_device *dev, unsigned long chipset)
 {
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	drm_savage_private_t *dev_priv;
 
 	dev_priv = kzalloc(sizeof(drm_savage_private_t), GFP_KERNEL);
@@ -557,7 +558,7 @@ int savage_driver_load(struct drm_device *dev, unsigned long chipset)
 
 	dev_priv->chipset = (enum savage_family)chipset;
 
-	pci_set_master(dev->pdev);
+	pci_set_master(pdev);
 
 	return 0;
 }
@@ -572,16 +573,17 @@ int savage_driver_load(struct drm_device *dev, unsigned long chipset)
 int savage_driver_firstopen(struct drm_device *dev)
 {
 	drm_savage_private_t *dev_priv = dev->dev_private;
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	unsigned long mmio_base, fb_base, fb_size, aperture_base;
 	int ret = 0;
 
 	if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) {
-		fb_base = pci_resource_start(dev->pdev, 0);
+		fb_base = pci_resource_start(pdev, 0);
 		fb_size = SAVAGE_FB_SIZE_S3;
 		mmio_base = fb_base + SAVAGE_FB_SIZE_S3;
 		aperture_base = fb_base + SAVAGE_APERTURE_OFFSET;
 		/* this should always be true */
-		if (pci_resource_len(dev->pdev, 0) == 0x08000000) {
+		if (pci_resource_len(pdev, 0) == 0x08000000) {
 			/* Don't make MMIO write-cobining! We need 3
 			 * MTRRs. */
 			dev_priv->mtrr_handles[0] =
@@ -595,16 +597,16 @@ int savage_driver_firstopen(struct drm_device *dev)
 		} else {
 			DRM_ERROR("strange pci_resource_len %08llx\n",
 				  (unsigned long long)
-				  pci_resource_len(dev->pdev, 0));
+				  pci_resource_len(pdev, 0));
 		}
 	} else if (dev_priv->chipset != S3_SUPERSAVAGE &&
 		   dev_priv->chipset != S3_SAVAGE2000) {
-		mmio_base = pci_resource_start(dev->pdev, 0);
-		fb_base = pci_resource_start(dev->pdev, 1);
+		mmio_base = pci_resource_start(pdev, 0);
+		fb_base = pci_resource_start(pdev, 1);
 		fb_size = SAVAGE_FB_SIZE_S4;
 		aperture_base = fb_base + SAVAGE_APERTURE_OFFSET;
 		/* this should always be true */
-		if (pci_resource_len(dev->pdev, 1) == 0x08000000) {
+		if (pci_resource_len(pdev, 1) == 0x08000000) {
 			/* Can use one MTRR to cover both fb and
 			 * aperture. */
 			dev_priv->mtrr_handles[0] =
@@ -613,13 +615,13 @@ int savage_driver_firstopen(struct drm_device *dev)
 		} else {
 			DRM_ERROR("strange pci_resource_len %08llx\n",
 				  (unsigned long long)
-				  pci_resource_len(dev->pdev, 1));
+				  pci_resource_len(pdev, 1));
 		}
 	} else {
-		mmio_base = pci_resource_start(dev->pdev, 0);
-		fb_base = pci_resource_start(dev->pdev, 1);
-		fb_size = pci_resource_len(dev->pdev, 1);
-		aperture_base = pci_resource_start(dev->pdev, 2);
+		mmio_base = pci_resource_start(pdev, 0);
+		fb_base = pci_resource_start(pdev, 1);
+		fb_size = pci_resource_len(pdev, 1);
+		aperture_base = pci_resource_start(pdev, 2);
 		/* Automatic MTRR setup will do the right thing. */
 	}