The patch below does not apply to the 4.13-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 77d1f615c78a73a04254fa2bff07ee9fa27145d9 Mon Sep 17 00:00:00 2001
From: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Date: Mon, 26 Jun 2017 10:33:49 +0200
Subject: [PATCH] drm/i915: Make DP-MST connector info work
Commit 9a148a96fc3a ("drm/i915/debugfs: add dp mst info") adds support
for DP-MST to intel_connector_info, but forgot to remove the early
return for DP-MST.
Remove it, and print out MST connectors directly.
Fixes: 9a148a96fc3a ("drm/i915/debugfs: add dp mst info")
Cc: <stable@xxxxxxxxxxxxxxx> # v4.11+
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
Cc: Libin Yang <libin.yang@xxxxxxxxx>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/20170626083349.24389-1-maarten.lankhorst@xxxxxxxxxxxxxxx
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index ca2e34b1c798..620c9218d1c1 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3108,7 +3108,7 @@ static void intel_connector_info(struct seq_file *m,
connector->display_info.cea_rev);
}
- if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST)
+ if (!intel_encoder)
return;
switch (connector->connector_type) {