1 files changed, 9 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_resource_buffer.h b/src/gallium/drivers/svga/svga_resource_buffer.h
index 464f073b34f..35ed35d61dd 100644
--- a/src/gallium/drivers/svga/svga_resource_buffer.h
+++ b/src/gallium/drivers/svga/svga_resource_buffer.h
@@ -314,6 +314,15 @@ svga_buffer_hw_storage_unmap(struct svga_context *svga,
             ret = SVGA3D_BindGBSurface(swc, sbuf->handle);
             assert(ret == PIPE_OK);
          }
+         if (swc->force_coherent) {
+            ret = SVGA3D_UpdateGBSurface(swc, sbuf->handle);
+            if (ret != PIPE_OK) {
+               /* flush and retry */
+               svga_context_flush(svga, NULL);
+               ret = SVGA3D_UpdateGBSurface(swc, sbuf->handle);
+               assert(ret == PIPE_OK);
+            }
+         }
       }
    } else
       sws->buffer_unmap(sws, sbuf->hwbuf);