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gpu: nvgpu:Add sysfs node for GV100 clocks

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Creates sysfs nodes to read clk freq on GV100
Following sysfs nodes are created: gpcclk,xbarclk,sysclk
Uses default clock source and counters for measurement

Bug 200446261

Change-Id: I6903ba77fbe34e3f486f4b663e70eab4e7c5d662
Signed-off-by: absalam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1828030
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
absalam
2018-09-20 12:21:33 +05:30
committed by Abdul Salam
parent 19a27b9960
commit d6424aec6e
9 changed files with 540 additions and 12 deletions
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29
drivers/gpu/nvgpu/os/linux/debug_clk_gv100.h Normal file
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/*
* Copyright (c) 2018, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __DEBUG_CLK_GV100_H
#define __DEBUG_CLK_GV100_H
#ifdef CONFIG_DEBUG_FS
int gv100_clk_init_debugfs(struct gk20a *g);
#else
inline int gv100_clk_init_debugfs(struct gk20a *g)
{
return 0;
}
#endif
#endif