diff options
author | Thomas Fleury <tfleury@nvidia.com> | 2018-02-07 20:14:22 -0500 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2018-03-12 15:09:37 -0400 |
commit | 6e0de56121a47d383e1505145ab0140dcd604896 (patch) | |
tree | 0ad5457fe119fd46481eb1ae4dc6c995b853d014 /drivers/gpu | |
parent | 3df619f68afa6b23a33d7da072315755de38a30b (diff) |
gpu: nvgpu: gp106: fix freq scale in debugfs nodes
For better precision dramdiv4 (MCLK/4) counter is used to measure
MCLK frequency. But the scaling factor of 2 must be taken into
account when reporting dramdiv2_rec_clk1.
The issue was not affecting other counters which use scale=1.
Bug 200386061
Change-Id: Ib3891f3f2dd4206ac36aa3e3290810144f4aa339
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1654536
(cherry picked from commit 6a68207c90feab1caee737013ab7cd5bb3863fb6)
Reviewed-on: https://git-master.nvidia.com/r/1657209
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/nvgpu/gp106/clk_gp106.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/nvgpu/gp106/clk_gp106.c b/drivers/gpu/nvgpu/gp106/clk_gp106.c index b8a1ba3d..2ac2ce5a 100644 --- a/drivers/gpu/nvgpu/gp106/clk_gp106.c +++ b/drivers/gpu/nvgpu/gp106/clk_gp106.c | |||
@@ -1,7 +1,7 @@ | |||
1 | /* | 1 | /* |
2 | * GP106 Clocks | 2 | * GP106 Clocks |
3 | * | 3 | * |
4 | * Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved. | 4 | * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved. |
5 | * | 5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
7 | * copy of this software and associated documentation files (the "Software"), | 7 | * copy of this software and associated documentation files (the "Software"), |
@@ -236,7 +236,8 @@ static int gp106_get_rate_show(void *data , u64 *val) { | |||
236 | struct namemap_cfg *c = (struct namemap_cfg *) data; | 236 | struct namemap_cfg *c = (struct namemap_cfg *) data; |
237 | struct gk20a *g = c->g; | 237 | struct gk20a *g = c->g; |
238 | 238 | ||
239 | *val = c->is_counter ? gp106_get_rate_cntr(g, c) : 0 /* TODO PLL read */; | 239 | *val = c->is_counter ? (u64)c->scale * gp106_get_rate_cntr(g, c) : |
240 | 0 /* TODO PLL read */; | ||
240 | return 0; | 241 | return 0; |
241 | } | 242 | } |
242 | DEFINE_SIMPLE_ATTRIBUTE(get_rate_fops, gp106_get_rate_show, NULL, "%llu\n"); | 243 | DEFINE_SIMPLE_ATTRIBUTE(get_rate_fops, gp106_get_rate_show, NULL, "%llu\n"); |