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 (file)
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1148,8 +1148,13 @@ int radeon_device_init(struct radeon_device *rdev,
        /* 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;