1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index 0932778d..68ad7bcd 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -3809,6 +3809,8 @@ int gr_gk20a_query_zbc(struct gk20a *g, struct gr_gk20a *gr,
                                 "invalid zbc color table index");
                         return -EINVAL;
                 }
+
+                nvgpu_speculation_barrier();
                 for (i = 0; i < GK20A_ZBC_COLOR_VALUE_SIZE; i++) {
                         query_params->color_l2[i] =
                                 gr->zbc_col_tbl[index].color_l2[i];
@@ -3824,6 +3826,8 @@ int gr_gk20a_query_zbc(struct gk20a *g, struct gr_gk20a *gr,
                                 "invalid zbc depth table index");
                         return -EINVAL;
                 }
+
+                nvgpu_speculation_barrier();
                 query_params->depth = gr->zbc_dep_tbl[index].depth;
                 query_params->format = gr->zbc_dep_tbl[index].format;
                 query_params->ref_cnt = gr->zbc_dep_tbl[index].ref_cnt;