drm/radeon: adapt to PCI BAR changes on CIK
register BAR is now at PCI BAR 5.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index c24056b..4e97ff7 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1148,8 +1148,13 @@
/* Registers mapping */
/* TODO: block userspace mapping of io register */
spin_lock_init(&rdev->mmio_idx_lock);
- rdev->rmmio_base = pci_resource_start(rdev->pdev, 2);
- rdev->rmmio_size = pci_resource_len(rdev->pdev, 2);
+ if (rdev->family >= CHIP_BONAIRE) {
+ rdev->rmmio_base = pci_resource_start(rdev->pdev, 5);
+ rdev->rmmio_size = pci_resource_len(rdev->pdev, 5);
+ } else {
+ rdev->rmmio_base = pci_resource_start(rdev->pdev, 2);
+ rdev->rmmio_size = pci_resource_len(rdev->pdev, 2);
+ }
rdev->rmmio = ioremap(rdev->rmmio_base, rdev->rmmio_size);
if (rdev->rmmio == NULL) {
return -ENOMEM;