gpu: nvgpu: PMU debug reorg

- Moved PMU debug related code to pmu_debug.c
  Print pmu trace buffer
  Moved PMU controller/engine status dump debug code
  Moved ELPG stats  dump code
- Removed PMU falcon controller status dump code & used
nvgpu_flcn_dump_stats() method,
- Method to print ELPG stats.
- PMU HAL to print PMU engine & ELPG debug info upon error

NVGPU JIRA-96

Change-Id: Iaa3d983f1d3b78a1b051beb6c109d3da8f8c90bc
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1516640
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/pmu.h b/drivers/gpu/nvgpu/include/nvgpu/pmu.h
index 556d9f39..60ce8b96 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/pmu.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/pmu.h
@@ -449,4 +449,9 @@ int nvgpu_aelpg_init_and_enable(struct gk20a *g, u8 ctrl_id);
 int nvgpu_pmu_ap_send_command(struct gk20a *g,
                 union pmu_ap_cmd *p_ap_cmd, bool b_block);
 
+/* PMU debug */
+void nvgpu_pmu_dump_falcon_stats(struct nvgpu_pmu *pmu);
+void nvgpu_pmu_dump_elpg_stats(struct nvgpu_pmu *pmu);
+bool nvgpu_find_hex_in_string(char *strings, struct gk20a *g, u32 *hex_pos);
+
 #endif /* __NVGPU_PMU_H__ */