gpu: nvgpu: pg stat read update

- Added struct pmu_pg_stats_data to extract
data from multiple version of pmu pg statistics

- Added pmu_pg_stats_v2 interface to fetch
PG statistics data from PMU

- Added MSCG debugfs node to read mscg
statistics from PMU.

- Added pmu_elpg_statistics HAL support for
  gp106 PG statistics read.

- Made changes to gp104/gp106
  pmu_elpg_statistics HAL to support
  for struct pmu_pg_stats_data

JIRA DNVGPU-165

Change-Id: I2b9e89c0fae90deb45006c4478170b9a97b56603
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1252798
(cherry picked from commit 3c073b15fd991db8d65b3171b02c161294be40cd)
Reviewed-on: http://git-master/r/1271615
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index b955a84a..cf147ae8 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -1,7 +1,7 @@
 /*
  * GK20A Graphics
  *
- * Copyright (c) 2011-2016, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2011-2017, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -605,8 +605,7 @@ struct gpu_ops {
                 int (*load_lsfalcon_ucode)(struct gk20a *g, u32 falconidmask);
                 void (*write_dmatrfbase)(struct gk20a *g, u32 addr);
                 void (*pmu_elpg_statistics)(struct gk20a *g, u32 pg_engine_id,
-                        u32 *ingating_time, u32 *ungating_time,
-                        u32 *gating_cnt);
+                        struct pmu_pg_stats_data *pg_stat_data);
                 int (*pmu_pg_init_param)(struct gk20a *g, u32 pg_engine_id);
                 u32 (*pmu_pg_supported_engines_list)(struct gk20a *g);
                 u32 (*pmu_pg_engines_feature_list)(struct gk20a *g,