drm: Remove drm_resource wrappers

Remove the drm_resource wrappers and directly use the
actual PCI and/or platform functions in their place.

[airlied: fixup nouveau properly to build]

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index fbba938..91f5b5a 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -49,7 +49,7 @@
 	resource_size_t size = 256 * 1024; /* ??? */
 
 	rdev->bios = NULL;
-	vram_base = drm_get_resource_start(rdev->ddev, 0);
+	vram_base = pci_resource_start(rdev->pdev, 0);
 	bios = ioremap(vram_base, size);
 	if (!bios) {
 		return false;