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gpu: nvgpu: add platform support for Static PG

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- Add support for taking static PG config values
  from DT nodes
- Check those values against valid set of values
  for GPC, TPC and FBP
- Store valid values in g->gpc_pg_mask, g->fbp_pg_mask
  and g->tpc_pg_mask[] array.

Bug 200768322
JIRA NVGPU-6433

Change-Id: Ifc87e7d369034b1daa13866bc16a970602514bf6
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2594802
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Divya
2021-09-09 07:22:51 +00:00
committed by mobile promotions
parent 9984b59a00
commit ae2d561c48
12 changed files with 364 additions and 113 deletions
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13
drivers/gpu/nvgpu/os/linux/driver_common.c
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@@ -184,14 +184,17 @@ static void nvgpu_init_pm_vars(struct gk20a *g)
nvgpu_set_enabled(g, NVGPU_CAN_RAILGATE,
nvgpu_platform_is_simulation(g)? true : platform->can_railgate_init);
#ifdef CONFIG_NVGPU_STATIC_POWERGATE
g->can_tpc_pg = platform->can_tpc_pg;
g->can_gpc_pg = platform->can_gpc_pg;
g->can_fbp_pg = platform->can_fbp_pg;
for (i = 0; i < MAX_TPC_PG_CONFIGS; i++)
g->valid_tpc_mask[i] = platform->valid_tpc_mask[i];
for (i = 0; i < MAX_GPC_FBP_FS_CONFIGS; i++)
g->valid_gpc_fbp_fs_mask[i] = platform->valid_gpc_fbp_fs_mask[i];
for (i = 0; i < MAX_PG_TPC_CONFIGS; i++)
g->valid_tpc_pg_mask[i] = platform->valid_tpc_pg_mask[i];
for (i = 0; i < MAX_PG_GPC_FBP_CONFIGS; i++)
g->valid_gpc_fbp_pg_mask[i] = platform->valid_gpc_fbp_pg_mask[i];
#endif
g->ldiv_slowdown_factor = platform->ldiv_slowdown_factor_init;
/* if default delay is not set, set default delay to 500msec */
if (platform->railgate_delay_init)