1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c
new file mode 100644
index 000000000..284d6fbc2
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <linux/debugfs.h>
+#include <linux/string_helpers.h>
+
+#include <drm/drm_print.h>
+
+#include "gt/intel_gt_debugfs.h"
+#include "intel_guc_debugfs.h"
+#include "intel_huc_debugfs.h"
+#include "intel_uc.h"
+#include "intel_uc_debugfs.h"
+
+static int uc_usage_show(struct seq_file *m, void *data)
+{
+	struct intel_uc *uc = m->private;
+	struct drm_printer p = drm_seq_file_printer(m);
+
+	drm_printf(&p, "[guc] supported:%s wanted:%s used:%s\n",
+		   str_yes_no(intel_uc_supports_guc(uc)),
+		   str_yes_no(intel_uc_wants_guc(uc)),
+		   str_yes_no(intel_uc_uses_guc(uc)));
+	drm_printf(&p, "[huc] supported:%s wanted:%s used:%s\n",
+		   str_yes_no(intel_uc_supports_huc(uc)),
+		   str_yes_no(intel_uc_wants_huc(uc)),
+		   str_yes_no(intel_uc_uses_huc(uc)));
+	drm_printf(&p, "[submission] supported:%s wanted:%s used:%s\n",
+		   str_yes_no(intel_uc_supports_guc_submission(uc)),
+		   str_yes_no(intel_uc_wants_guc_submission(uc)),
+		   str_yes_no(intel_uc_uses_guc_submission(uc)));
+
+	return 0;
+}
+DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(uc_usage);
+
+void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root)
+{
+	static const struct intel_gt_debugfs_file files[] = {
+		{ "usage", &uc_usage_fops, NULL },
+	};
+	struct dentry *root;
+
+	if (!gt_root)
+		return;
+
+	/* GuC and HuC go always in pair, no need to check both */
+	if (!intel_uc_supports_guc(uc))
+		return;
+
+	root = debugfs_create_dir("uc", gt_root);
+	if (IS_ERR(root))
+		return;
+
+	intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), uc);
+
+	intel_guc_debugfs_register(&uc->guc, root);
+	intel_huc_debugfs_register(&uc->huc, root);
+}