drm/radeon/kms: make sure mc is initialized before mapping blit bo

We need to make sure the the MC is intialized before we map the
blit shader object on r6xx+.

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

1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 2d124bb57762..f58dc6710802 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -892,6 +892,14 @@ static int rv770_startup(struct radeon_device *rdev)
         }
         rv770_gpu_init(rdev);
 
+        if (!rdev->r600_blit.shader_obj) {
+                r = r600_blit_init(rdev);
+                if (r) {
+                        DRM_ERROR("radeon: failed blitter (%d).\n", r);
+                        return r;
+                }
+        }
+
         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
         if (unlikely(r != 0))
                 return r;
@@ -1051,12 +1059,6 @@ int rv770_init(struct radeon_device *rdev)
         if (r)
                 return r;
 
-        r = r600_blit_init(rdev);
-        if (r) {
-                DRM_ERROR("radeon: failed blitter (%d).\n", r);
-                return r;
-        }
-
         rdev->accel_working = true;
         r = rv770_startup(rdev);
         if (r) {