drm/vc4: hdmi: Use debugfs private field

We're calling vc4_debugfs_add_file with our struct vc4_hdmi pointer set
in the private field, but we don't use that field and go through the
main struct vc4_dev to get it.

Let's use the private field directly, that will save us some trouble
later on.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 2a85d59..5de9e48 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -182,9 +182,7 @@ static const struct debugfs_reg32 hd_regs[] = {
 static int vc4_hdmi_debugfs_regs(struct seq_file *m, void *unused)
 {
        struct drm_info_node *node = (struct drm_info_node *)m->private;
-       struct drm_device *dev = node->minor->dev;
-       struct vc4_dev *vc4 = to_vc4_dev(dev);
-       struct vc4_hdmi *hdmi = vc4->hdmi;
+       struct vc4_hdmi *hdmi = node->info_ent->data;
        struct drm_printer p = drm_seq_file_printer(m);
 
        drm_print_regset32(&p, &hdmi->hdmi_regset);