gpu: nvgpu: Add CBC clean and invalidate

Bug 1409151

Change-Id: I232af159d402f818cf972498d721c3b57846ce74
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 3bc53992..7aca186e 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -56,12 +56,19 @@ struct cooling_device_gk20a {
         struct gk20a *g;
 };
 
+enum gk20a_cbc_op {
+        gk20a_cbc_op_clear,
+        gk20a_cbc_op_clean,
+        gk20a_cbc_op_invalidate,
+};
+
 struct gpu_ops {
         struct {
                 int (*determine_L2_size_bytes)(struct gk20a *gk20a);
                 void (*set_max_ways_evict_last)(struct gk20a *g, u32 max_ways);
                 int (*init_comptags)(struct gk20a *g, struct gr_gk20a *gr);
-                int (*clear_comptags)(struct gk20a *g, u32 min, u32 max);
+                int (*cbc_ctrl)(struct gk20a *g, enum gk20a_cbc_op op,
+                                u32 min, u32 max);
                 void (*set_zbc_color_entry)(struct gk20a *g,
                                             struct zbc_entry *color_val,
                                             u32 index);