[PATCH v2 19/30] drm/xe/gt_debugfs: Use scope-based cleanup

[Matt Roper <matthew.d.roper@intel.com>]

Use scope-based cleanup for forcewake and runtime PM to simplify the
debugfs code slightly.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
---
 drivers/gpu/drm/xe/xe_gt_debugfs.c | 29 ++++++++---------------------
 1 file changed, 8 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_gt_debugfs.c b/drivers/gpu/drm/xe/xe_gt_debugfs.c
index e4fd632f43cf..7c3de6539044 100644
--- a/drivers/gpu/drm/xe/xe_gt_debugfs.c
+++ b/drivers/gpu/drm/xe/xe_gt_debugfs.c
@@ -105,35 +105,24 @@ int xe_gt_debugfs_show_with_rpm(struct seq_file *m, void *data)
 	struct drm_info_node *node = m->private;
 	struct xe_gt *gt = node_to_gt(node);
 	struct xe_device *xe = gt_to_xe(gt);
-	int ret;
 
-	xe_pm_runtime_get(xe);
-	ret = xe_gt_debugfs_simple_show(m, data);
-	xe_pm_runtime_put(xe);
-
-	return ret;
+	guard(xe_pm_runtime)(xe);
+	return xe_gt_debugfs_simple_show(m, data);
 }
 
 static int hw_engines(struct xe_gt *gt, struct drm_printer *p)
 {
 	struct xe_hw_engine *hwe;
 	enum xe_hw_engine_id id;
-	unsigned int fw_ref;
-	int ret = 0;
 
-	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
-	if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL)) {
-		ret = -ETIMEDOUT;
-		goto fw_put;
-	}
+	CLASS(xe_force_wake, fw_ref)(gt_to_fw(gt), XE_FORCEWAKE_ALL);
+	if (!xe_force_wake_ref_has_domain(fw_ref.domains, XE_FORCEWAKE_ALL))
+		return -ETIMEDOUT;
 
 	for_each_hw_engine(hwe, gt, id)
 		xe_hw_engine_print(hwe, p);
 
-fw_put:
-	xe_force_wake_put(gt_to_fw(gt), fw_ref);
-
-	return ret;
+	return 0;
 }
 
 static int steering(struct xe_gt *gt, struct drm_printer *p)
@@ -269,9 +258,8 @@ static void force_reset(struct xe_gt *gt)
 {
 	struct xe_device *xe = gt_to_xe(gt);
 
-	xe_pm_runtime_get(xe);
+	guard(xe_pm_runtime)(xe);
 	xe_gt_reset_async(gt);
-	xe_pm_runtime_put(xe);
 }
 
 static ssize_t force_reset_write(struct file *file,
@@ -297,9 +285,8 @@ static void force_reset_sync(struct xe_gt *gt)
 {
 	struct xe_device *xe = gt_to_xe(gt);
 
-	xe_pm_runtime_get(xe);
+	guard(xe_pm_runtime)(xe);
 	xe_gt_reset(gt);
-	xe_pm_runtime_put(xe);
 }
 
 static ssize_t force_reset_sync_write(struct file *file,
-- 
2.51.1