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gpu: nvgpu: gp10b: enable gradual slowdown

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Enable gradual slowdown for gp10b and also correct
thermal slowdown factors with extended mode.

Bug 1719974

Change-Id: I31a5d7df71c98135273a980c49b70bc76fac0b40
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/933279
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2016-01-15 12:33:16 -08:00
committed by Deepak Nibade
parent 1ec6d2b6d6
commit b8db86a6b6
1 changed files with 46 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
drivers/gpu/nvgpu/gp10b/therm_gp10b.c
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@@ -3,7 +3,7 @@
*
* GP10B Therm
*
* Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2015-2016, 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,
@@ -20,6 +20,8 @@
static int gp10b_init_therm_setup_hw(struct gk20a *g)
{
u32 v;
gk20a_dbg_fn("");
/* program NV_THERM registers */
@@ -27,14 +29,51 @@ static int gp10b_init_therm_setup_hw(struct gk20a *g)
therm_use_a_ext_therm_1_enable_f() |
therm_use_a_ext_therm_2_enable_f());
gk20a_writel(g, therm_evt_ext_therm_0_r(),
therm_evt_ext_therm_0_slow_factor_f(
therm_evt_ext_therm_0_slow_factor_init_v()));
therm_evt_ext_therm_0_slow_factor_f(0x2));
gk20a_writel(g, therm_evt_ext_therm_1_r(),
therm_evt_ext_therm_1_slow_factor_f(
therm_evt_ext_therm_1_slow_factor_init_v()));
therm_evt_ext_therm_1_slow_factor_f(0x6));
gk20a_writel(g, therm_evt_ext_therm_2_r(),
therm_evt_ext_therm_2_slow_factor_f(
therm_evt_ext_therm_2_slow_factor_init_v()));
therm_evt_ext_therm_2_slow_factor_f(0xe));
gk20a_writel(g, therm_grad_stepping_table_r(0),
therm_grad_stepping_table_slowdown_factor0_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by1p5_f()) |
therm_grad_stepping_table_slowdown_factor1_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by2_f()) |
therm_grad_stepping_table_slowdown_factor2_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by4_f()) |
therm_grad_stepping_table_slowdown_factor3_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
therm_grad_stepping_table_slowdown_factor4_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()));
gk20a_writel(g, therm_grad_stepping_table_r(1),
therm_grad_stepping_table_slowdown_factor0_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
therm_grad_stepping_table_slowdown_factor1_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
therm_grad_stepping_table_slowdown_factor2_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
therm_grad_stepping_table_slowdown_factor3_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
therm_grad_stepping_table_slowdown_factor4_f(
therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()));
v = gk20a_readl(g, therm_clk_timing_r(0));
v |= therm_clk_timing_grad_slowdown_enabled_f();
gk20a_writel(g, therm_clk_timing_r(0), v);
v = gk20a_readl(g, therm_config2_r());
v |= therm_config2_grad_enable_f(1);
v |= therm_config2_slowdown_factor_extended_f(1);
gk20a_writel(g, therm_config2_r(), v);
gk20a_writel(g, therm_grad_stepping1_r(),
therm_grad_stepping1_pdiv_duration_f(32));
v = gk20a_readl(g, therm_grad_stepping0_r());
v |= therm_grad_stepping0_feature_enable_f();
gk20a_writel(g, therm_grad_stepping0_r(), v);
return 0;
}