1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_sysfs.c b/drivers/gpu/drm/xe/xe_gt_sysfs.c
new file mode 100644
index 000000000000..c69d2e8a0fe1
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_gt_sysfs.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#include "xe_gt_sysfs.h"
+
+#include <linux/kobject.h>
+#include <linux/sysfs.h>
+
+#include <drm/drm_managed.h>
+
+#include "xe_gt.h"
+
+static void xe_gt_sysfs_kobj_release(struct kobject *kobj)
+{
+	kfree(kobj);
+}
+
+static const struct kobj_type xe_gt_sysfs_kobj_type = {
+	.release = xe_gt_sysfs_kobj_release,
+	.sysfs_ops = &kobj_sysfs_ops,
+};
+
+static void gt_sysfs_fini(struct drm_device *drm, void *arg)
+{
+	struct xe_gt *gt = arg;
+
+	kobject_put(gt->sysfs);
+}
+
+void xe_gt_sysfs_init(struct xe_gt *gt)
+{
+	struct xe_tile *tile = gt_to_tile(gt);
+	struct xe_device *xe = gt_to_xe(gt);
+	struct kobj_gt *kg;
+	int err;
+
+	kg = kzalloc(sizeof(*kg), GFP_KERNEL);
+	if (!kg)
+		return;
+
+	kobject_init(&kg->base, &xe_gt_sysfs_kobj_type);
+	kg->gt = gt;
+
+	err = kobject_add(&kg->base, tile->sysfs, "gt%d", gt->info.id);
+	if (err) {
+		drm_warn(&xe->drm, "failed to add GT sysfs directory, err: %d\n", err);
+		kobject_put(&kg->base);
+		return;
+	}
+
+	gt->sysfs = &kg->base;
+
+	err = drmm_add_action_or_reset(&xe->drm, gt_sysfs_fini, gt);
+	if (err) {
+		drm_warn(&xe->drm, "%s: drmm_add_action_or_reset failed, err: %d\n",
+			 __func__, err);
+		return;
+	}
+}