Files
linux-nvgpu/drivers/gpu/nvgpu/vgpu/clk_vgpu.h
Sachit Kadle f871b52fd3 gpu: nvgpu: vgpu: add devfreq support
Add devfreq governor support in order to allow frequency scaling
in virtualization config. GPU clock frequency operations are
re-directed to the server over RPC.

Bug 200237433

Change-Id: I1c8e565a4fff36d3456dc72ebb20795b7822650e
Signed-off-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-on: http://git-master/r/1295542
(cherry picked from commit d5c956fc06697eda3829c67cb22987e538213b29)
Reviewed-on: http://git-master/r/1280968
(cherry picked from commit 25e2b3cf7cb5559a6849c0024d42c157564a9be2)
Reviewed-on: http://git-master/r/1321835
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2017-03-20 03:13:48 -07:00

25 lines
879 B
C

/*
* Virtualized GPU Clock Interface
*
* Copyright (c) 2017, 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.
*/
#ifndef _CLK_VIRT_H_
#define _CLK_VIRT_H_
unsigned long vgpu_clk_get_rate(struct device *dev);
long vgpu_clk_round_rate(struct device *dev, unsigned long rate);
int vgpu_clk_set_rate(struct device *dev, unsigned long rate);
int vgpu_clk_get_freqs(struct device *dev,
unsigned long **freqs, int *num_freqs);
#endif