1 files changed, 46 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0567-drm-amd-dal-Fix-issue-where-2nd-MST-display-didn-t-l.patch b/common/recipes-kernel/linux/files/0567-drm-amd-dal-Fix-issue-where-2nd-MST-display-didn-t-l.patch
new file mode 100644
index 00000000..8120f018
--- /dev/null
+++ b/common/recipes-kernel/linux/files/0567-drm-amd-dal-Fix-issue-where-2nd-MST-display-didn-t-l.patch
@@ -0,0 +1,46 @@
+From e95652d303d0fb9a09f11dc28195118bc65e8ad7 Mon Sep 17 00:00:00 2001
+From: Harry Wentland <harry.wentland@amd.com>
+Date: Wed, 2 Dec 2015 22:38:58 -0500
+Subject: [PATCH 0567/1110] drm/amd/dal: Fix issue where 2nd MST display didn't
+ light up
+
+Fix breakage caused by link encoder refactoring.
+
+Signed-off-by: Harry Wentland <harry.wentland@amd.com>
+Acked-by: Harry Wentland <harry.wentland@amd.com>
+---
+ drivers/gpu/drm/amd/dal/dc/core/dc_link.c | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c
+index ad890a5..44b3a2b 100644
+--- a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c
++++ b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c
+@@ -1022,9 +1022,10 @@ static enum dc_status enable_link(struct core_stream *stream)
+ 
+ static void disable_link(struct core_stream *stream)
+ {
+-	/* TODO  dp_set_hw_test_pattern */
+ 	struct dc *dc = stream->ctx->dc;
+ 
++	/* TODO  dp_set_hw_test_pattern */
++
+ 	/* here we need to specify that encoder output settings
+ 	 * need to be calculated as for the set mode,
+ 	 * it will lead to querying dynamic link capabilities
+@@ -1039,9 +1040,10 @@ static void disable_link(struct core_stream *stream)
+ 			dp_disable_link_phy_mst(
+ 					stream->sink->link, stream);
+ 		}
++	} else {
++		dc->hwss.encoder_disable_output(
++				stream->sink->link->link_enc, stream->signal);
+ 	}
+-	dc->hwss.encoder_disable_output(
+-		stream->sink->link->link_enc, stream->signal);
+ }
+ 
+ enum dc_status dc_link_validate_mode_timing(
+-- 
+2.7.4
+