1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c
new file mode 100644
index 0000000000..a3d470468e
--- /dev/null
+++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
+ * Author: Rob Clark <rob.clark@linaro.org>
+ */
+
+#include <linux/seq_file.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_debugfs.h>
+#include <drm/drm_file.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_framebuffer.h>
+
+#include "omap_drv.h"
+#include "omap_dmm_tiler.h"
+
+#ifdef CONFIG_DEBUG_FS
+
+static int gem_show(struct seq_file *m, void *arg)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	struct omap_drm_private *priv = dev->dev_private;
+
+	seq_printf(m, "All Objects:\n");
+	mutex_lock(&priv->list_lock);
+	omap_gem_describe_objects(&priv->obj_list, m);
+	mutex_unlock(&priv->list_lock);
+
+	return 0;
+}
+
+static int mm_show(struct seq_file *m, void *arg)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	struct drm_printer p = drm_seq_file_printer(m);
+
+	drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p);
+
+	return 0;
+}
+
+#ifdef CONFIG_DRM_FBDEV_EMULATION
+static int fb_show(struct seq_file *m, void *arg)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	struct drm_fb_helper *helper = dev->fb_helper;
+	struct drm_framebuffer *fb;
+
+	seq_printf(m, "fbcon ");
+	omap_framebuffer_describe(helper->fb, m);
+
+	mutex_lock(&dev->mode_config.fb_lock);
+	list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
+		if (fb == helper->fb)
+			continue;
+
+		seq_printf(m, "user ");
+		omap_framebuffer_describe(fb, m);
+	}
+	mutex_unlock(&dev->mode_config.fb_lock);
+
+	return 0;
+}
+#endif
+
+/* list of debufs files that are applicable to all devices */
+static struct drm_info_list omap_debugfs_list[] = {
+	{"gem", gem_show, 0},
+	{"mm", mm_show, 0},
+#ifdef CONFIG_DRM_FBDEV_EMULATION
+	{"fb", fb_show, 0},
+#endif
+};
+
+/* list of debugfs files that are specific to devices with dmm/tiler */
+static struct drm_info_list omap_dmm_debugfs_list[] = {
+	{"tiler_map", tiler_map_show, 0},
+};
+
+void omap_debugfs_init(struct drm_minor *minor)
+{
+	drm_debugfs_create_files(omap_debugfs_list,
+				 ARRAY_SIZE(omap_debugfs_list),
+				 minor->debugfs_root, minor);
+
+	if (dmm_is_available())
+		drm_debugfs_create_files(omap_dmm_debugfs_list,
+					 ARRAY_SIZE(omap_dmm_debugfs_list),
+					 minor->debugfs_root, minor);
+}
+
+#endif