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gpu: nvgpu: Add support for ELPG_MS feature

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- To enable ELPG_MS feature, add identifier for
  MS_LTC engine.
- The identifier is then passed
  as pg_engine_id to enable the MS_LTC engine.
- Add enable flag NVGPU_ELPG_MS_ENABLED for
  enabling/disabling ELPG_MS feature at init.

JIRA NVGPU-6430

Change-Id: Ie1f477918332d85ec98b3bd4d05b8e773d74eab8
Signed-off-by: Divya Singhatwaria <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2480750
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: svcacv <svcacv@nvidia.com>
Reviewed-by: Alex Waterman <alexw@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 Singhatwaria
2021-02-05 11:29:30 +05:30
committed by mobile promotions
parent e10f201602
commit cc34df76f9
10 changed files with 25 additions and 8 deletions
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5
drivers/gpu/nvgpu/os/linux/platform_gk20a.h
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@@ -1,7 +1,7 @@
/*
* GK20A Platform (SoC) Interface
*
* Copyright (c) 2014-2020, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2014-2021, 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,
@@ -136,6 +136,9 @@ struct gk20a_platform {
/* Engine Level Power Gating: true = enable flase = disable */
bool enable_elpg;
/* Memory System power Gating: true = enable false = disable*/
bool enable_elpg_ms;
/* Adaptative ELPG: true = enable flase = disable */
bool enable_aelpg;