diff options
Diffstat (limited to 'drivers/gpu/nvgpu/vgpu')
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/sysfs_vgpu.c | 48 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/vgpu.c | 2 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/vgpu.h | 3 |
3 files changed, 53 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/vgpu/sysfs_vgpu.c b/drivers/gpu/nvgpu/vgpu/sysfs_vgpu.c new file mode 100644 index 00000000..d43a34aa --- /dev/null +++ b/drivers/gpu/nvgpu/vgpu/sysfs_vgpu.c | |||
@@ -0,0 +1,48 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms and conditions of the GNU General Public License, | ||
6 | * version 2, as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
11 | * more details. | ||
12 | */ | ||
13 | |||
14 | #include <linux/device.h> | ||
15 | #include <linux/kernel.h> | ||
16 | #include <linux/gk20a.h> | ||
17 | |||
18 | #include "vgpu/vgpu.h" | ||
19 | |||
20 | static ssize_t vgpu_load_show(struct device *dev, | ||
21 | struct device_attribute *attr, | ||
22 | char *buf) | ||
23 | { | ||
24 | struct gk20a *g = get_gk20a(dev); | ||
25 | struct tegra_vgpu_cmd_msg msg = {0}; | ||
26 | struct tegra_vgpu_gpu_load_params *p = &msg.params.gpu_load; | ||
27 | int err; | ||
28 | |||
29 | msg.cmd = TEGRA_VGPU_CMD_GET_GPU_LOAD; | ||
30 | msg.handle = vgpu_get_handle(g); | ||
31 | err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); | ||
32 | if (err) | ||
33 | return err; | ||
34 | |||
35 | return snprintf(buf, PAGE_SIZE, "%u\n", p->load); | ||
36 | } | ||
37 | static DEVICE_ATTR(load, S_IRUGO, vgpu_load_show, NULL); | ||
38 | |||
39 | void vgpu_create_sysfs(struct device *dev) | ||
40 | { | ||
41 | if (device_create_file(dev, &dev_attr_load)) | ||
42 | dev_err(dev, "Failed to create vgpu sysfs attributes!\n"); | ||
43 | } | ||
44 | |||
45 | void vgpu_remove_sysfs(struct device *dev) | ||
46 | { | ||
47 | device_remove_file(dev, &dev_attr_load); | ||
48 | } | ||
diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c index 0ac79345..ba387de9 100644 --- a/drivers/gpu/nvgpu/vgpu/vgpu.c +++ b/drivers/gpu/nvgpu/vgpu/vgpu.c | |||
@@ -632,6 +632,7 @@ int vgpu_probe(struct platform_device *pdev) | |||
632 | CONFIG_GK20A_DEFAULT_TIMEOUT; | 632 | CONFIG_GK20A_DEFAULT_TIMEOUT; |
633 | gk20a->timeouts_enabled = true; | 633 | gk20a->timeouts_enabled = true; |
634 | 634 | ||
635 | vgpu_create_sysfs(dev); | ||
635 | gk20a_init_gr(gk20a); | 636 | gk20a_init_gr(gk20a); |
636 | 637 | ||
637 | return 0; | 638 | return 0; |
@@ -650,6 +651,7 @@ int vgpu_remove(struct platform_device *pdev) | |||
650 | vgpu_comm_deinit(); | 651 | vgpu_comm_deinit(); |
651 | gk20a_sched_ctrl_cleanup(g); | 652 | gk20a_sched_ctrl_cleanup(g); |
652 | gk20a_user_deinit(dev, &nvgpu_class); | 653 | gk20a_user_deinit(dev, &nvgpu_class); |
654 | vgpu_remove_sysfs(dev); | ||
653 | gk20a_get_platform(dev)->g = NULL; | 655 | gk20a_get_platform(dev)->g = NULL; |
654 | kfree(g); | 656 | kfree(g); |
655 | return 0; | 657 | return 0; |
diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.h b/drivers/gpu/nvgpu/vgpu/vgpu.h index e64b31b4..098c7dbd 100644 --- a/drivers/gpu/nvgpu/vgpu/vgpu.h +++ b/drivers/gpu/nvgpu/vgpu/vgpu.h | |||
@@ -103,6 +103,9 @@ int vgpu_gk20a_init_hal(struct gk20a *g); | |||
103 | int vgpu_gm20b_init_hal(struct gk20a *g); | 103 | int vgpu_gm20b_init_hal(struct gk20a *g); |
104 | 104 | ||
105 | void vgpu_init_dbg_session_ops(struct gpu_ops *gops); | 105 | void vgpu_init_dbg_session_ops(struct gpu_ops *gops); |
106 | |||
107 | void vgpu_create_sysfs(struct device *dev); | ||
108 | void vgpu_remove_sysfs(struct device *dev); | ||
106 | #else | 109 | #else |
107 | static inline int vgpu_pm_prepare_poweroff(struct device *dev) | 110 | static inline int vgpu_pm_prepare_poweroff(struct device *dev) |
108 | { | 111 | { |