1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index 8caf72c1e794..fdf1c0bf0d55 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -426,6 +426,17 @@ static int prepare_shadow_batch_buffer(struct intel_vgpu_workload *workload)
                         goto err;
                 }
 
+                /* For privilge batch buffer and not wa_ctx, the bb_start_cmd_va
+                 * is only updated into ring_scan_buffer, not real ring address
+                 * allocated in later copy_workload_to_ring_buffer. pls be noted
+                 * shadow_ring_buffer_va is now pointed to real ring buffer va
+                 * in copy_workload_to_ring_buffer.
+                 */
+
+                if (bb->bb_offset)
+                        bb->bb_start_cmd_va = workload->shadow_ring_buffer_va
+                                + bb->bb_offset;
+
                 /* relocate shadow batch buffer */
                 bb->bb_start_cmd_va[1] = i915_ggtt_offset(bb->vma);
                 if (gmadr_bytes == 8)