Replace the use of drm_debugfs_create_files() with the new
drm_debugfs_add_file() function, which centers the debugfs files
management on the drm_device instead of drm_minor. Moreover, remove the
debugfs_init hook and add the debugfs files directly on arcpgu_probe(),
before drm_dev_register().

Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Signed-off-by: Maíra Canal <mca...@igalia.com>
---
 drivers/gpu/drm/tiny/arcpgu.c | 24 +++++-------------------
 1 file changed, 5 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c
index 611bbee15071..88ceaf8c869c 100644
--- a/drivers/gpu/drm/tiny/arcpgu.c
+++ b/drivers/gpu/drm/tiny/arcpgu.c
@@ -335,11 +335,10 @@ static int arcpgu_unload(struct drm_device *drm)
        return 0;
 }
 
-#ifdef CONFIG_DEBUG_FS
-static int arcpgu_show_pxlclock(struct seq_file *m, void *arg)
+static int __maybe_unused arcpgu_show_pxlclock(struct seq_file *m, void *arg)
 {
-       struct drm_info_node *node = (struct drm_info_node *)m->private;
-       struct drm_device *drm = node->minor->dev;
+       struct drm_debugfs_entry *entry = m->private;
+       struct drm_device *drm = entry->dev;
        struct arcpgu_drm_private *arcpgu = dev_to_arcpgu(drm);
        unsigned long clkrate = clk_get_rate(arcpgu->clk);
        unsigned long mode_clock = arcpgu->pipe.crtc.mode.crtc_clock * 1000;
@@ -349,18 +348,6 @@ static int arcpgu_show_pxlclock(struct seq_file *m, void 
*arg)
        return 0;
 }
 
-static struct drm_info_list arcpgu_debugfs_list[] = {
-       { "clocks", arcpgu_show_pxlclock, 0 },
-};
-
-static void arcpgu_debugfs_init(struct drm_minor *minor)
-{
-       drm_debugfs_create_files(arcpgu_debugfs_list,
-                                ARRAY_SIZE(arcpgu_debugfs_list),
-                                minor->debugfs_root, minor);
-}
-#endif
-
 static const struct drm_driver arcpgu_drm_driver = {
        .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
        .name = "arcpgu",
@@ -371,9 +358,6 @@ static const struct drm_driver arcpgu_drm_driver = {
        .patchlevel = 0,
        .fops = &arcpgu_drm_ops,
        DRM_GEM_DMA_DRIVER_OPS,
-#ifdef CONFIG_DEBUG_FS
-       .debugfs_init = arcpgu_debugfs_init,
-#endif
 };
 
 static int arcpgu_probe(struct platform_device *pdev)
@@ -390,6 +374,8 @@ static int arcpgu_probe(struct platform_device *pdev)
        if (ret)
                return ret;
 
+       drm_debugfs_add_file(&arcpgu->drm, "clocks", arcpgu_show_pxlclock, 
NULL);
+
        ret = drm_dev_register(&arcpgu->drm, 0);
        if (ret)
                goto err_unload;
-- 
2.39.0

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