gpu: nvgpu: Per-chip PBDMA signature

PBDMA HW signature depends on the chip.

Change-Id: If57d721d9bb77a090f967930a1aa2037bf4a16fe
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/672922

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 0e06e7de..fa80f010 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -212,6 +212,7 @@ struct gpu_ops {
                 void (*apply_pb_timeout)(struct gk20a *g);
                 int (*wait_engine_idle)(struct gk20a *g);
                 u32 (*get_num_fifos)(struct gk20a *g);
+                u32 (*get_pbdma_signature)(struct gk20a *g);
         } fifo;
         struct pmu_v {
                 /*used for change of enum zbc update cmd id from ver 0 to ver1*/