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gpu: nvgpu: support for hwpm context switching

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Add support for hwpm context switching

Bug 1648200

Change-Id: I482899bf165cd2ef24bb8617be16df01218e462f
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1120450
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Peter Daifuku
2016-03-09 19:10:20 -08:00
committed by Terje Bergstrom
parent 6675c03603
commit 37155b65f1
12 changed files with 849 additions and 65 deletions
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27
drivers/gpu/nvgpu/gk20a/regops_gk20a.c
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@@ -1,7 +1,7 @@
/*
* Tegra GK20A GPU Debugger Driver Register Ops
*
* Copyright (c) 2013-2015, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2013-2016, 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,
@@ -644,22 +644,31 @@ static int validate_reg_op_offset(struct dbg_session_gk20a *dbg_s,
valid = check_whitelists(dbg_s, op, offset + 4);
if (valid && (op->type != REGOP(TYPE_GLOBAL))) {
err = gr_gk20a_get_ctx_buffer_offsets(dbg_s->g,
err = gr_gk20a_get_ctx_buffer_offsets(dbg_s->g,
op->offset,
1,
&buf_offset_lo,
&buf_offset_addr,
&num_offsets,
op->type == REGOP(TYPE_GR_CTX_QUAD),
op->quad);
if (err) {
err = gr_gk20a_get_pm_ctx_buffer_offsets(dbg_s->g,
op->offset,
1,
&buf_offset_lo,
&buf_offset_addr,
&num_offsets,
op->type == REGOP(TYPE_GR_CTX_QUAD),
op->quad);
&num_offsets);
if (err) {
op->status |= REGOP(STATUS_INVALID_OFFSET);
return -EINVAL;
}
if (!buf_offset_lo) {
op->status |= REGOP(STATUS_INVALID_OFFSET);
return -EINVAL;
}
}
if (!buf_offset_lo) {
op->status |= REGOP(STATUS_INVALID_OFFSET);
return -EINVAL;
}
}
if (!valid) {