summaryrefslogtreecommitdiffstats
path: root/drivers/accel
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/accel')
-rw-r--r--drivers/accel/ivpu/ivpu_debugfs.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c
index e07e447d08d1..6ff967e595cf 100644
--- a/drivers/accel/ivpu/ivpu_debugfs.c
+++ b/drivers/accel/ivpu/ivpu_debugfs.c
@@ -335,6 +335,28 @@ 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,
+};
+
void ivpu_debugfs_init(struct ivpu_device *vdev)
{
struct dentry *debugfs_root = vdev->drm.debugfs_root;
@@ -358,6 +380,8 @@ 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)
debugfs_create_file("fw_profiling_freq_drive", 0200,