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gpu: nvgpu: Add LDIV slowdown factor in INIT cmd.

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PMU ucode is updated to include LDIV slowdown factor in gr_init_param command.
- Defined a new version gr_init_param_v2.
- Updated the PMU FW version code.
- Set the LDIV slowdown factor to 0x1e by default.
- Added sysfs entry to program ldiv_slowdown factor at runtime.

Bug 200391931

Change-Id: Ic66049588c3b20e934faff3f29283f66c30303e4
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1674208
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Deepak Goyal
2018-05-07 11:42:33 +05:30
committed by mobile promotions
parent a1a8ceca0c
commit f9e55fbaf6
8 changed files with 130 additions and 9 deletions
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drivers/gpu/nvgpu/common/linux/driver_common.c
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@@ -159,6 +159,7 @@ 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;
g->ldiv_slowdown_factor = platform->ldiv_slowdown_factor_init;
__nvgpu_set_enabled(g, NVGPU_PMU_PERFMON, platform->enable_perfmon);
/* set default values to aelpg parameters */