diff options
author | Sachit Kadle <skadle@nvidia.com> | 2017-01-24 13:22:13 -0500 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-06-19 19:36:26 -0400 |
commit | b3a7c2b305ec6f895dc236f0c5f163bd4cbeb248 (patch) | |
tree | a1df93a947d7f5d60a9e57a69d0058d430844c92 /drivers/gpu/nvgpu/vgpu/clk_vgpu.h | |
parent | 2535c81c6c916f9f2e1224e17e80d240df569e49 (diff) |
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
(cherry picked from commit f871b52fd3f553d6b6375a3c848fbca272ed8e29)
Reviewed-on: http://git-master/r/1313468
Tested-by: Aparna Das <aparnad@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Diffstat (limited to 'drivers/gpu/nvgpu/vgpu/clk_vgpu.h')
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/clk_vgpu.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/vgpu/clk_vgpu.h b/drivers/gpu/nvgpu/vgpu/clk_vgpu.h new file mode 100644 index 00000000..a90b63d8 --- /dev/null +++ b/drivers/gpu/nvgpu/vgpu/clk_vgpu.h | |||
@@ -0,0 +1,23 @@ | |||
1 | /* | ||
2 | * Virtualized GPU Clock Interface | ||
3 | * | ||
4 | * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify it | ||
7 | * under the terms and conditions of the GNU General Public License, | ||
8 | * version 2, as published by the Free Software Foundation. | ||
9 | * | ||
10 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
13 | * more details. | ||
14 | */ | ||
15 | |||
16 | #ifndef _CLK_VIRT_H_ | ||
17 | #define _CLK_VIRT_H_ | ||
18 | |||
19 | void vgpu_init_clk_support(struct gk20a *g); | ||
20 | long vgpu_clk_round_rate(struct device *dev, unsigned long rate); | ||
21 | int vgpu_clk_get_freqs(struct device *dev, | ||
22 | unsigned long **freqs, int *num_freqs); | ||
23 | #endif | ||