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From a1f24e24c065b91f833e3f546c1507f69fb04bc7 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Thu, 16 Jan 2020 14:27:56 +0100
Subject: [PATCH] drm/vc4: hdmi: Deal with multiple debugfs files
The HDMI driver was registering a single debugfs file so far with the name
hdmi_regs.
Obviously, this is not going to work anymore when will have multiple HDMI
controllers since we will end up trying to register two files with the same
name.
Let's use the ID to avoid that name conflict.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -1380,7 +1380,10 @@ static int vc4_hdmi_bind(struct device *
if (ret)
goto err_destroy_encoder;
- vc4_debugfs_add_file(drm, "hdmi_regs", vc4_hdmi_debugfs_regs, vc4_hdmi);
+ vc4_debugfs_add_file(drm,
+ variant->id ? "hdmi1_regs" : "hdmi_regs",
+ vc4_hdmi_debugfs_regs,
+ vc4_hdmi);
return 0;
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