accel/ivpu: Update debugfs to latest changes in DRM

Use new drm debugfs helpers. This is needed after changes from
commit 78346ebf9f94 ("drm/debugfs: drop debugfs_init() for the render
and accel node v2").

Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230907072610.433497-1-stanislaw.gruszka@linux.intel.com

drivers/accel/ivpu/ivpu_debugfs.c

@@ -17,29 +17,34 @@
 #include "ivpu_jsm_msg.h"
 #include "ivpu_pm.h"
 
+static inline struct ivpu_device *seq_to_ivpu(struct seq_file *s)
+{
+	struct drm_debugfs_entry *entry = s->private;
+
+	return to_ivpu_device(entry->dev);
+}
+
 static int bo_list_show(struct seq_file *s, void *v)
 {
-	struct drm_info_node *node = (struct drm_info_node *)s->private;
 	struct drm_printer p = drm_seq_file_printer(s);
+	struct ivpu_device *vdev = seq_to_ivpu(s);
 
-	ivpu_bo_list(node->minor->dev, &p);
+	ivpu_bo_list(&vdev->drm, &p);
 
 	return 0;
 }
 
 static int fw_name_show(struct seq_file *s, void *v)
 {
-	struct drm_info_node *node = (struct drm_info_node *)s->private;
-	struct ivpu_device *vdev = to_ivpu_device(node->minor->dev);
+	struct ivpu_device *vdev = seq_to_ivpu(s);
 
 	seq_printf(s, "%s\n", vdev->fw->name);
 	return 0;
 }
 
 static int fw_trace_capability_show(struct seq_file *s, void *v)
 {
-	struct drm_info_node *node = (struct drm_info_node *)s->private;
-	struct ivpu_device *vdev = to_ivpu_device(node->minor->dev);
+	struct ivpu_device *vdev = seq_to_ivpu(s);
 	u64 trace_hw_component_mask;
 	u32 trace_destination_mask;
 	int ret;
@@ -57,8 +62,7 @@ static int fw_trace_capability_show(struct seq_file *s, void *v)
 
 static int fw_trace_config_show(struct seq_file *s, void *v)
 {
-	struct drm_info_node *node = (struct drm_info_node *)s->private;
-	struct ivpu_device *vdev = to_ivpu_device(node->minor->dev);
+	struct ivpu_device *vdev = seq_to_ivpu(s);
 	/**
 	 * WA: VPU_JSM_MSG_TRACE_GET_CONFIG command is not working yet,
 	 * so we use values from vdev->fw instead of calling ivpu_jsm_trace_get_config()
@@ -78,8 +82,7 @@ static int fw_trace_config_show(struct seq_file *s, void *v)
 
 static int last_bootmode_show(struct seq_file *s, void *v)
 {
-	struct drm_info_node *node = (struct drm_info_node *)s->private;
-	struct ivpu_device *vdev = to_ivpu_device(node->minor->dev);
+	struct ivpu_device *vdev = seq_to_ivpu(s);
 
 	seq_printf(s, "%s\n", (vdev->pm->is_warmboot) ? "warmboot" : "coldboot");
 
@@ -88,23 +91,21 @@ static int last_bootmode_show(struct seq_file *s, void *v)
 
 static int reset_counter_show(struct seq_file *s, void *v)
 {
-	struct drm_info_node *node = (struct drm_info_node *)s->private;
-	struct ivpu_device *vdev = to_ivpu_device(node->minor->dev);
+	struct ivpu_device *vdev = seq_to_ivpu(s);
 
 	seq_printf(s, "%d\n", atomic_read(&vdev->pm->reset_counter));
 	return 0;
 }
 
 static int reset_pending_show(struct seq_file *s, void *v)
 {
-	struct drm_info_node *node = (struct drm_info_node *)s->private;
-	struct ivpu_device *vdev = to_ivpu_device(node->minor->dev);
+	struct ivpu_device *vdev = seq_to_ivpu(s);
 
 	seq_printf(s, "%d\n", atomic_read(&vdev->pm->in_reset));
 	return 0;
 }
 
-static const struct drm_info_list vdev_debugfs_list[] = {
+static const struct drm_debugfs_info vdev_debugfs_list[] = {
 	{"bo_list", bo_list_show, 0},
 	{"fw_name", fw_name_show, 0},
 	{"fw_trace_capability", fw_trace_capability_show, 0},
@@ -270,25 +271,24 @@ static const struct file_operations ivpu_reset_engine_fops = {
 	.write = ivpu_reset_engine_fn,
 };
 
-void ivpu_debugfs_init(struct drm_minor *minor)
+void ivpu_debugfs_init(struct ivpu_device *vdev)
 {
-	struct ivpu_device *vdev = to_ivpu_device(minor->dev);
+	struct dentry *debugfs_root = vdev->drm.debugfs_root;
 
-	drm_debugfs_create_files(vdev_debugfs_list, ARRAY_SIZE(vdev_debugfs_list),
-				 minor->debugfs_root, minor);
+	drm_debugfs_add_files(&vdev->drm, vdev_debugfs_list, ARRAY_SIZE(vdev_debugfs_list));
 
-	debugfs_create_file("force_recovery", 0200, minor->debugfs_root, vdev,
+	debugfs_create_file("force_recovery", 0200, debugfs_root, vdev,
 			    &ivpu_force_recovery_fops);
 
-	debugfs_create_file("fw_log", 0644, minor->debugfs_root, vdev,
+	debugfs_create_file("fw_log", 0644, debugfs_root, vdev,
 			    &fw_log_fops);
-	debugfs_create_file("fw_trace_destination_mask", 0200, minor->debugfs_root, vdev,
+	debugfs_create_file("fw_trace_destination_mask", 0200, debugfs_root, vdev,
 			    &fw_trace_destination_mask_fops);
-	debugfs_create_file("fw_trace_hw_comp_mask", 0200, minor->debugfs_root, vdev,
+	debugfs_create_file("fw_trace_hw_comp_mask", 0200, debugfs_root, vdev,
 			    &fw_trace_hw_comp_mask_fops);
-	debugfs_create_file("fw_trace_level", 0200, minor->debugfs_root, vdev,
+	debugfs_create_file("fw_trace_level", 0200, debugfs_root, vdev,
 			    &fw_trace_level_fops);
 
-	debugfs_create_file("reset_engine", 0200, minor->debugfs_root, vdev,
+	debugfs_create_file("reset_engine", 0200, debugfs_root, vdev,
 			    &ivpu_reset_engine_fops);
 }

drivers/accel/ivpu/ivpu_debugfs.h

@@ -6,8 +6,8 @@
 #ifndef __IVPU_DEBUGFS_H__
 #define __IVPU_DEBUGFS_H__
 
-struct drm_minor;
+struct ivpu_device;
 
-void ivpu_debugfs_init(struct drm_minor *minor);
+void ivpu_debugfs_init(struct ivpu_device *vdev);
 
 #endif /* __IVPU_DEBUGFS_H__ */

drivers/accel/ivpu/ivpu_drv.c

@@ -395,10 +395,6 @@ static const struct drm_driver driver = {
 	.postclose = ivpu_postclose,
 	.gem_prime_import = ivpu_gem_prime_import,
 
-#if defined(CONFIG_DEBUG_FS)
-	.debugfs_init = ivpu_debugfs_init,
-#endif
-
 	.ioctls = ivpu_drm_ioctls,
 	.num_ioctls = ARRAY_SIZE(ivpu_drm_ioctls),
 	.fops = &ivpu_fops,
@@ -631,6 +627,10 @@ static int ivpu_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (ret)
 		return ret;
 
+#if defined(CONFIG_DEBUG_FS)
+	ivpu_debugfs_init(vdev);
+#endif
+
 	ret = drm_dev_register(&vdev->drm, 0);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to register DRM device: %d\n", ret);