1 files changed, 29 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2497-drm-amd-display-Only-reset-top-pipe-back-end.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2497-drm-amd-display-Only-reset-top-pipe-back-end.patch
new file mode 100644
index 00000000..7433af2a
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2497-drm-amd-display-Only-reset-top-pipe-back-end.patch
@@ -0,0 +1,29 @@
+From e0890aead9c6eaa3eaf0db47d4981b6d8bb733c1 Mon Sep 17 00:00:00 2001
+From: Yongqiang Sun <yongqiang.sun@amd.com>
+Date: Fri, 22 Sep 2017 16:06:04 -0400
+Subject: [PATCH 2497/4131] drm/amd/display: Only reset top pipe back end.
+
+Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+index 4e4f20b..014911e 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+@@ -1270,6 +1270,9 @@ static void reset_hw_ctx_wrap(
+ 		if (!pipe_ctx_old->stream)
+ 			continue;
+ 
++		if (pipe_ctx_old->top_pipe)
++			continue;
++
+ 		if (!pipe_ctx->stream ||
+ 				pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
+ 			struct clock_source *old_clk = pipe_ctx_old->clock_source;
+-- 
+2.7.4
+