diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0582-drm-vc4-hdmi-Deal-with-multiple-debugfs-files.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0582-drm-vc4-hdmi-Deal-with-multiple-debugfs-files.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0582-drm-vc4-hdmi-Deal-with-multiple-debugfs-files.patch b/target/linux/bcm27xx/patches-5.4/950-0582-drm-vc4-hdmi-Deal-with-multiple-debugfs-files.patch new file mode 100644 index 0000000000..e25b18a21f --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0582-drm-vc4-hdmi-Deal-with-multiple-debugfs-files.patch @@ -0,0 +1,33 @@ +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 +@@ -1381,7 +1381,10 @@ 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; + |