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gpu: nvgpu: PMU debug reorg

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- 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>
This commit is contained in:
Mahantesh Kumbar
2017-07-11 11:42:01 +05:30
committed by mobile promotions
parent b5556c7490
commit 350bb74859
6 changed files with 72 additions and 155 deletions
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48
drivers/gpu/nvgpu/common/pmu/pmu_debug.c Normal file
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@@ -0,0 +1,48 @@
/*
* Copyright (c) 2016-2017, 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,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <nvgpu/pmu.h>
#include <nvgpu/log.h>
#include <nvgpu/timers.h>
#include <nvgpu/kmem.h>
#include <nvgpu/dma.h>
#include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
#include "gk20a/gk20a.h"
void nvgpu_pmu_dump_elpg_stats(struct nvgpu_pmu *pmu)
{
struct gk20a *g = pmu->g;
/* Print PG stats */
nvgpu_err(g, "Print PG stats");
nvgpu_flcn_print_dmem(pmu->flcn,
pmu->stat_dmem_offset[PMU_PG_ELPG_ENGINE_ID_GRAPHICS],
sizeof(struct pmu_pg_stats_v2));
gk20a_pmu_dump_elpg_stats(pmu);
}
void nvgpu_pmu_dump_falcon_stats(struct nvgpu_pmu *pmu)
{
struct gk20a *g = pmu->g;
nvgpu_flcn_dump_stats(pmu->flcn);
gk20a_pmu_dump_falcon_stats(pmu);
nvgpu_err(g, "pmu state: %d", pmu->pmu_state);
nvgpu_err(g, "elpg state: %d", pmu->elpg_stat);
/* PMU may crash due to FECS crash. Dump FECS status */
gk20a_fecs_dump_falcon_stats(g);
}