gpu: nvgpu: Track also pushbuf get for watchdog

Make the watchdog notice also fine-grained changes within a single
pushbuffer - by tracking just the gpfifo get, the watchdog could wake
when the channel hasn't really been stuck but processing a relatively
large or slow pushbuf.

Jira NVGPU-72

Change-Id: I15374eea5d9abc9d3725a79d0b960503237e478c
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1485919
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 68c10284..a8837433 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -471,6 +471,7 @@ struct gpu_ops {
                                         u32 *runlist);
                 u32 (*userd_gp_get)(struct gk20a *g, struct channel_gk20a *ch);
                 void (*userd_gp_put)(struct gk20a *g, struct channel_gk20a *ch);
+                u64 (*userd_pb_get)(struct gk20a *g, struct channel_gk20a *ch);
                 void (*free_channel_ctx_header)(struct channel_gk20a *ch);
                 bool (*is_fault_engine_subid_gpc)(struct gk20a *g,
                                          u32 engine_subid);