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gpu: nvgpu: pmu: check before initializing perfmon

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We should check if perfmon is enabled before sending
perfmon init command. This is needed for debug purposes.

Change-Id: Ia95a590a76074c469b5d87a5820cd5b2e50d13be
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master/r/1510036
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Deepak Goyal
2017-07-02 08:19:29 +05:30
committed by mobile promotions
parent 4166fc2f87
commit 75d7d6826d
8 changed files with 30 additions and 3 deletions
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drivers/gpu/nvgpu/common/linux/driver_common.c
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@@ -124,6 +124,7 @@ static void nvgpu_init_pm_vars(struct gk20a *g)
g->support_pmu = support_gk20a_pmu(dev_from_gk20a(g));
g->can_railgate = platform->can_railgate_init;
g->railgate_delay = platform->railgate_delay_init;
__nvgpu_set_enabled(g, NVGPU_PMU_PERFMON, platform->enable_perfmon);
/* set default values to aelpg parameters */
g->pmu.aelpg_param[0] = APCTRL_SAMPLING_PERIOD_PG_DEFAULT_US;