radeon: realloc dma if needed after revalidate

Revalidate can trigger flushing and dma buffer deallocation,
so retry allocation on such case.

diff --git a/src/mesa/drivers/dri/radeon/radeon_dma.c b/src/mesa/drivers/dri/radeon/radeon_dma.c
index a357afe..48b0d63 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_dma.c
+++ b/src/mesa/drivers/dri/radeon/radeon_dma.c
@@ -203,6 +203,12 @@ again_alloc:
        if (radeon_revalidate_bos(rmesa->glCtx) == GL_FALSE)
          fprintf(stderr,"failure to revalidate BOs - badness\n");
 
+       if (!rmesa->dma.current) {
+        /* Cmd buff have been flushed in radeon_revalidate_bos */
+               rmesa->dma.nr_released_bufs = 0;
+               goto again_alloc;
+       }
+
        radeon_bo_map(rmesa->dma.current, 1);
 }