diff options
| -rw-r--r-- | drivers/accel/ivpu/Makefile | 1 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_debugfs.c | 74 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_debugfs.h | 13 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_drv.c | 5 |
4 files changed, 93 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/Makefile b/drivers/accel/ivpu/Makefile index 80f1fb3548ae..3ca2fb3936f6 100644 --- a/drivers/accel/ivpu/Makefile +++ b/drivers/accel/ivpu/Makefile @@ -2,6 +2,7 @@ # Copyright (C) 2023 Intel Corporation intel_vpu-y := \ + ivpu_debugfs.o \ ivpu_drv.o \ ivpu_fw.o \ ivpu_gem.o \ diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c new file mode 100644 index 000000000000..df51ec008fb5 --- /dev/null +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2020-2023 Intel Corporation + */ + +#include <drm/drm_debugfs.h> +#include <drm/drm_file.h> +#include <drm/drm_print.h> + +#include <uapi/drm/ivpu_accel.h> + +#include "ivpu_debugfs.h" +#include "ivpu_drv.h" +#include "ivpu_gem.h" +#include "ivpu_jsm_msg.h" +#include "ivpu_pm.h" + +static int bo_list_show(struct seq_file *s, void *v) +{ + struct drm_info_node *node = (struct drm_info_node *)s->private; + struct drm_printer p = drm_seq_file_printer(s); + + ivpu_bo_list(node->minor->dev, &p); + + return 0; +} + +static int last_bootmode_show(struct seq_file *s, void *v) +{ + struct drm_info_node *node = (struct drm_info_node *)s->private; + struct ivpu_device *vdev = to_ivpu_device(node->minor->dev); + + seq_printf(s, "%s\n", (vdev->pm->is_warmboot) ? "warmboot" : "coldboot"); + + return 0; +} + +static const struct drm_info_list vdev_debugfs_list[] = { + {"bo_list", bo_list_show, 0}, + {"last_bootmode", last_bootmode_show, 0}, +}; + +static ssize_t +ivpu_reset_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_reset_engine(vdev, DRM_IVPU_ENGINE_COMPUTE)) + return -ENODEV; + if (ivpu_jsm_reset_engine(vdev, DRM_IVPU_ENGINE_COPY)) + return -ENODEV; + + return size; +} + +static const struct file_operations ivpu_reset_engine_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .write = ivpu_reset_engine_fn, +}; + +void ivpu_debugfs_init(struct drm_minor *minor) +{ + struct ivpu_device *vdev = to_ivpu_device(minor->dev); + + drm_debugfs_create_files(vdev_debugfs_list, ARRAY_SIZE(vdev_debugfs_list), + minor->debugfs_root, minor); + + debugfs_create_file("reset_engine", 0200, minor->debugfs_root, vdev, + &ivpu_reset_engine_fops); +} diff --git a/drivers/accel/ivpu/ivpu_debugfs.h b/drivers/accel/ivpu/ivpu_debugfs.h new file mode 100644 index 000000000000..78f80c1e00e4 --- /dev/null +++ b/drivers/accel/ivpu/ivpu_debugfs.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020-2023 Intel Corporation + */ + +#ifndef __IVPU_DEBUGFS_H__ +#define __IVPU_DEBUGFS_H__ + +struct drm_minor; + +void ivpu_debugfs_init(struct drm_minor *minor); + +#endif /* __IVPU_DEBUGFS_H__ */ diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index 5167a65cf7bb..815dd9b588e9 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -14,6 +14,7 @@ #include <drm/drm_prime.h> #include "vpu_boot_api.h" +#include "ivpu_debugfs.h" #include "ivpu_drv.h" #include "ivpu_fw.h" #include "ivpu_gem.h" @@ -375,6 +376,10 @@ static const struct drm_driver driver = { .postclose = ivpu_postclose, .gem_prime_import = ivpu_gem_prime_import, +#if defined(CONFIG_DEBUG_FS) + .debugfs_init = ivpu_debugfs_init, +#endif + .ioctls = ivpu_drm_ioctls, .num_ioctls = ARRAY_SIZE(ivpu_drm_ioctls), .fops = &ivpu_fops, |