diff options
Diffstat (limited to 'drivers/accel/ivpu/ivpu_debugfs.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_debugfs.c | 89 |
1 files changed, 87 insertions, 2 deletions
diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c index e07e447d08d1..6f86f8df30db 100644 --- a/drivers/accel/ivpu/ivpu_debugfs.c +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (C) 2020-2023 Intel Corporation + * Copyright (C) 2020-2024 Intel Corporation */ #include <linux/debugfs.h> @@ -145,6 +145,30 @@ static const struct file_operations dvfs_mode_fops = { .write = dvfs_mode_fops_write, }; +static ssize_t +fw_dyndbg_fops_write(struct file *file, const char __user *user_buf, size_t size, loff_t *pos) +{ + struct ivpu_device *vdev = file->private_data; + char buffer[VPU_DYNDBG_CMD_MAX_LEN] = {}; + int ret; + + if (size >= VPU_DYNDBG_CMD_MAX_LEN) + return -EINVAL; + + ret = strncpy_from_user(buffer, user_buf, size); + if (ret < 0) + return ret; + + ivpu_jsm_dyndbg_control(vdev, buffer, size); + return size; +} + +static const struct file_operations fw_dyndbg_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .write = fw_dyndbg_fops_write, +}; + static int fw_log_show(struct seq_file *s, void *v) { struct ivpu_device *vdev = s->private; @@ -335,6 +359,61 @@ static const struct file_operations ivpu_reset_engine_fops = { .write = ivpu_reset_engine_fn, }; +static ssize_t +ivpu_resume_engine_fn(struct file *file, const char __user *user_buf, size_t size, loff_t *pos) +{ + struct ivpu_device *vdev = file->private_data; + + if (!size) + return -EINVAL; + + if (ivpu_jsm_hws_resume_engine(vdev, DRM_IVPU_ENGINE_COMPUTE)) + return -ENODEV; + if (ivpu_jsm_hws_resume_engine(vdev, DRM_IVPU_ENGINE_COPY)) + return -ENODEV; + + return size; +} + +static const struct file_operations ivpu_resume_engine_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .write = ivpu_resume_engine_fn, +}; + +static int dct_active_get(void *data, u64 *active_percent) +{ + struct ivpu_device *vdev = data; + + *active_percent = vdev->pm->dct_active_percent; + + return 0; +} + +static int dct_active_set(void *data, u64 active_percent) +{ + struct ivpu_device *vdev = data; + int ret; + + if (active_percent > 100) + return -EINVAL; + + ret = ivpu_rpm_get(vdev); + if (ret) + return ret; + + if (active_percent) + ret = ivpu_pm_dct_enable(vdev, active_percent); + else + ret = ivpu_pm_dct_disable(vdev); + + ivpu_rpm_put(vdev); + + return ret; +} + +DEFINE_DEBUGFS_ATTRIBUTE(ivpu_dct_fops, dct_active_get, dct_active_set, "%llu\n"); + void ivpu_debugfs_init(struct ivpu_device *vdev) { struct dentry *debugfs_root = vdev->drm.debugfs_root; @@ -347,6 +426,8 @@ void ivpu_debugfs_init(struct ivpu_device *vdev) debugfs_create_file("dvfs_mode", 0200, debugfs_root, vdev, &dvfs_mode_fops); + debugfs_create_file("fw_dyndbg", 0200, debugfs_root, vdev, + &fw_dyndbg_fops); debugfs_create_file("fw_log", 0644, debugfs_root, vdev, &fw_log_fops); debugfs_create_file("fw_trace_destination_mask", 0200, debugfs_root, vdev, @@ -358,8 +439,12 @@ void ivpu_debugfs_init(struct ivpu_device *vdev) debugfs_create_file("reset_engine", 0200, debugfs_root, vdev, &ivpu_reset_engine_fops); + debugfs_create_file("resume_engine", 0200, debugfs_root, vdev, + &ivpu_resume_engine_fops); - if (ivpu_hw_gen(vdev) >= IVPU_HW_40XX) + if (ivpu_hw_ip_gen(vdev) >= IVPU_HW_IP_40XX) { debugfs_create_file("fw_profiling_freq_drive", 0200, debugfs_root, vdev, &fw_profiling_freq_fops); + debugfs_create_file("dct", 0644, debugfs_root, vdev, &ivpu_dct_fops); + } } |