From 15e259bc5255e891f776a84b5f28a97ea0567178 Mon Sep 17 00:00:00 2001 From: Terje Bergstrom Date: Mon, 30 Oct 2017 12:52:52 -0700 Subject: gpu: nvgpu: Move gk20a_scale to be Linux only Move gk20a_scale.[ch] to be common/linux/scale.[ch]. The code is Linux specific, and only referred from Linux specific source files. Change the license back to GPL. JIRA NVGPU-259 Change-Id: I89fa905a1fea4f93c826ddfe2ffce34aefc1b0a2 Signed-off-by: Terje Bergstrom Reviewed-on: https://git-master.nvidia.com/r/1588650 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/common/linux/scale.h | 66 ++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 drivers/gpu/nvgpu/common/linux/scale.h (limited to 'drivers/gpu/nvgpu/common/linux/scale.h') diff --git a/drivers/gpu/nvgpu/common/linux/scale.h b/drivers/gpu/nvgpu/common/linux/scale.h new file mode 100644 index 00000000..c1e6fe86 --- /dev/null +++ b/drivers/gpu/nvgpu/common/linux/scale.h @@ -0,0 +1,66 @@ +/* + * gk20a clock scaling profile + * + * Copyright (c) 2013-2016, 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#ifndef GK20A_SCALE_H +#define GK20A_SCALE_H + +#include + +struct clk; + +struct gk20a_scale_profile { + struct device *dev; + ktime_t last_event_time; + struct devfreq_dev_profile devfreq_profile; + struct devfreq_dev_status dev_stat; + struct notifier_block qos_notify_block; + unsigned long qos_min_freq; + unsigned long qos_max_freq; + void *private_data; +}; + +/* Initialization and de-initialization for module */ +void gk20a_scale_init(struct device *); +void gk20a_scale_exit(struct device *); +void gk20a_scale_hw_init(struct device *dev); + +#if defined(CONFIG_GK20A_DEVFREQ) +/* + * call when performing submit to notify scaling mechanism that the module is + * in use + */ +void gk20a_scale_notify_busy(struct device *); +void gk20a_scale_notify_idle(struct device *); + +void gk20a_scale_suspend(struct device *); +void gk20a_scale_resume(struct device *); +int gk20a_scale_qos_notify(struct notifier_block *nb, + unsigned long n, void *p); +#else +static inline void gk20a_scale_notify_busy(struct device *dev) {} +static inline void gk20a_scale_notify_idle(struct device *dev) {} +static inline void gk20a_scale_suspend(struct device *dev) {} +static inline void gk20a_scale_resume(struct device *dev) {} +static inline int gk20a_scale_qos_notify(struct notifier_block *nb, + unsigned long n, void *p) +{ + return -ENOSYS; +} +#endif + +#endif -- cgit v1.2.2