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-rw-r--r--src/gallium/drivers/freedreno/freedreno_resource.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_resource.c b/src/gallium/drivers/freedreno/freedreno_resource.c
index f19f38add85..14751074ace 100644
--- a/src/gallium/drivers/freedreno/freedreno_resource.c
+++ b/src/gallium/drivers/freedreno/freedreno_resource.c
@@ -498,7 +498,21 @@ fd_resource_transfer_map(struct pipe_context *pctx,
if (usage & PIPE_TRANSFER_READ) {
fd_blit_to_staging(ctx, trans);
- fd_bo_cpu_prep(rsc->bo, ctx->pipe, DRM_FREEDRENO_PREP_READ);
+
+ struct fd_batch *batch = NULL;
+ fd_batch_reference(&batch, staging_rsc->write_batch);
+
+ /* we can't fd_bo_cpu_prep() until the blit to staging
+ * is submitted to kernel.. in that case write_batch
+ * wouldn't be NULL yet:
+ */
+ if (batch) {
+ fd_batch_sync(batch);
+ fd_batch_reference(&batch, NULL);
+ }
+
+ fd_bo_cpu_prep(staging_rsc->bo, ctx->pipe,
+ DRM_FREEDRENO_PREP_READ);
}
buf = fd_bo_map(staging_rsc->bo);