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

Don't enable backends that don't exist.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 660f96401a05a7ac8dd4766802684b5a42d03f38..15bd0477a3e8714da218abdc07bec96038f5244b 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2000,7 +2000,7 @@ 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 =