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accel/ivpu: Allow reading dvfs_mode debugfs file

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Make the dvfs_mode read-write to allow checking current mode.
Simplify the dvfs_mode implementation with the DEFINE_DEBUGFS_ATTRIBUTE.

Signed-off-by: Andrzej Kacprowski <Andrzej.Kacprowski@intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-15-jacek.lawrynowicz@linux.intel.com
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
This commit is contained in:
Andrzej Kacprowski 2024-09-30 21:53:05 +02:00 committed by Jacek Lawrynowicz
parent 378ed3b64d
commit 9f3814e822
1 changed files with 14 additions and 23 deletions
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37
drivers/accel/ivpu/ivpu_debugfs.c
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@ -127,32 +127,23 @@ static const struct drm_debugfs_info vdev_debugfs_list[] = {
{"reset_pending", reset_pending_show, 0},
};
static ssize_t
dvfs_mode_fops_write(struct file *file, const char __user *user_buf, size_t size, loff_t *pos)
static int dvfs_mode_get(void *data, u64 *dvfs_mode)
{
struct ivpu_device *vdev = file->private_data;
struct ivpu_fw_info *fw = vdev->fw;
u32 dvfs_mode;
int ret;
struct ivpu_device *vdev = (struct ivpu_device *)data;
ret = kstrtou32_from_user(user_buf, size, 0, &dvfs_mode);
if (ret < 0)
return ret;
fw->dvfs_mode = dvfs_mode;
ret = pci_try_reset_function(to_pci_dev(vdev->drm.dev));
if (ret)
return ret;
return size;
*dvfs_mode = vdev->fw->dvfs_mode;
return 0;
}
static const struct file_operations dvfs_mode_fops = {
.owner = THIS_MODULE,
.open = simple_open,
.write = dvfs_mode_fops_write,
};
static int dvfs_mode_set(void *data, u64 dvfs_mode)
{
struct ivpu_device *vdev = (struct ivpu_device *)data;
vdev->fw->dvfs_mode = (u32)dvfs_mode;
return pci_try_reset_function(to_pci_dev(vdev->drm.dev));
}
DEFINE_DEBUGFS_ATTRIBUTE(dvfs_mode_fops, dvfs_mode_get, dvfs_mode_set, "%llu\n");
static ssize_t
fw_dyndbg_fops_write(struct file *file, const char __user *user_buf, size_t size, loff_t *pos)
@ -432,7 +423,7 @@ void ivpu_debugfs_init(struct ivpu_device *vdev)
debugfs_create_file("force_recovery", 0200, debugfs_root, vdev,
&ivpu_force_recovery_fops);
debugfs_create_file("dvfs_mode", 0200, debugfs_root, vdev,
debugfs_create_file("dvfs_mode", 0644, debugfs_root, vdev,
&dvfs_mode_fops);
debugfs_create_file("fw_dyndbg", 0200, debugfs_root, vdev,