video: fbdev: radeonfb: Use dev_get_drvdata

Instead of using to_pci_dev + pci_get_drvdata,
use dev_get_drvdata to make code simpler.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[b.zolnierkie: fix patch summary and intendation]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190724131900.2039-1-hslester96@gmail.com

drivers/video/fbdev/aty/radeon_base.c

@@ -2217,8 +2217,7 @@ static ssize_t radeon_show_edid1(struct file *filp, struct kobject *kobj,
 				 char *buf, loff_t off, size_t count)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
-	struct pci_dev *pdev = to_pci_dev(dev);
-        struct fb_info *info = pci_get_drvdata(pdev);
+	struct fb_info *info = dev_get_drvdata(dev);
         struct radeonfb_info *rinfo = info->par;
 
 	return radeon_show_one_edid(buf, off, count, rinfo->mon1_EDID);
@@ -2230,8 +2229,7 @@ static ssize_t radeon_show_edid2(struct file *filp, struct kobject *kobj,
 				 char *buf, loff_t off, size_t count)
 {
 	struct device *dev = container_of(kobj, struct device, kobj);
-	struct pci_dev *pdev = to_pci_dev(dev);
-        struct fb_info *info = pci_get_drvdata(pdev);
+	struct fb_info *info = dev_get_drvdata(dev);
         struct radeonfb_info *rinfo = info->par;
 
 	return radeon_show_one_edid(buf, off, count, rinfo->mon2_EDID);