mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-23 18:16:01 +03:00
d730381f93
For copy engine, add 16 clock cycle delay before engine clock gating. Bug 1717152 Change-Id: Ife92299c052f44000bc0d900f0129a2eab13f3b5 Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-on: http://git-master/r/998408 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/*
|
|
* drivers/gpu/nvgpu/gm20b/therm_gk20a.c
|
|
*
|
|
* GP10B Therm
|
|
*
|
|
* 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,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*/
|
|
|
|
#include "gk20a/gk20a.h"
|
|
#include "hw_therm_gp10b.h"
|
|
|
|
static int gp10b_init_therm_setup_hw(struct gk20a *g)
|
|
{
|
|
u32 v;
|
|
|
|
gk20a_dbg_fn("");
|
|
|
|
/* program NV_THERM registers */
|
|
gk20a_writel(g, therm_use_a_r(), therm_use_a_ext_therm_0_enable_f() |
|
|
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(0x2));
|
|
gk20a_writel(g, therm_evt_ext_therm_1_r(),
|
|
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(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;
|
|
}
|
|
|
|
static int gp10b_update_therm_gate_ctrl(struct gk20a *g)
|
|
{
|
|
u32 gate_ctrl;
|
|
|
|
gate_ctrl = gk20a_readl(g, therm_gate_ctrl_r(ENGINE_CE2_GK20A));
|
|
gate_ctrl = set_field(gate_ctrl,
|
|
therm_gate_ctrl_eng_delay_before_m(),
|
|
therm_gate_ctrl_eng_delay_before_f(4));
|
|
gk20a_writel(g, therm_gate_ctrl_r(ENGINE_CE2_GK20A), gate_ctrl);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void gp10b_init_therm_ops(struct gpu_ops *gops)
|
|
{
|
|
gops->therm.init_therm_setup_hw = gp10b_init_therm_setup_hw;
|
|
gops->therm.update_therm_gate_ctrl = gp10b_update_therm_gate_ctrl;
|
|
|
|
}
|