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gpu: nvgpu: Add gops for enable/disable PMASYS legacy mode

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Added a gops for enable/disable the PMASYS legacy mode.

JIRA NVGPU-5656

Change-Id: I7f9d52d96d41ab38b201f857c492f10806453a7c
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2528423
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: Antony Clince Alex <aalex@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Lakshmanan M
2021-05-12 16:25:08 +05:30
committed by mobile promotions
parent c55f7d624c
commit 5de20ab81b
1 changed files with 10 additions and 1 deletions
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11
drivers/gpu/nvgpu/common/profiler/pm_reservation.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2020-2021, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -51,6 +51,15 @@ static void prepare_resource_reservation(struct gk20a *g,
nvgpu_err(g, "Failed to reset PERFMON unit");
}
nvgpu_cg_slcg_perf_load_enable(g, false);
#ifdef CONFIG_NVGPU_NEXT
/*
* By default, disable the PMASYS legacy mode for
* NVGPU_NEXT.
*/
if (g->ops.perf.enable_pmasys_legacy_mode != NULL) {
g->ops.perf.enable_pmasys_legacy_mode(g, false);
}
#endif
}
} else {
nvgpu_atomic_dec(&g->hwpm_refcount);