drm/radeon/kms: fix backend map typo on juniper

commit 9a4a0b9c9fa6ad9902f49801d7b770462b69c4d3 upstream.

Don't enable backends that don't exist.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index c130ed8819012e2d887f84864c992c8767376553..15db16a5db28f38facb5b44d29de6dae0294cc9b 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1900,7 +1900,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
                        gb_backend_map = 0x66442200;
                        break;
                case CHIP_JUNIPER:
-                       gb_backend_map = 0x00006420;
+                       gb_backend_map = 0x00002200;
                        break;
                default:
                        gb_backend_map =