1 files changed, 32 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0970-drm-amd-display-blank-otg-before-power-gate-front-en.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0970-drm-amd-display-blank-otg-before-power-gate-front-en.patch
new file mode 100644
index 00000000..fb607fe4
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0970-drm-amd-display-blank-otg-before-power-gate-front-en.patch
@@ -0,0 +1,32 @@
+From 0e76e0e953b90f0f29cb0705b94be5383dcf0eb4 Mon Sep 17 00:00:00 2001
+From: Yongqiang Sun <yongqiang.sun@amd.com>
+Date: Fri, 11 Aug 2017 11:23:30 -0400
+Subject: [PATCH 0970/4131] drm/amd/display: blank otg before power gate front
+ 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 | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+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 d5d2398..ce48d81 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
+@@ -2298,8 +2298,10 @@ static void dcn10_apply_ctx_for_surface(
+ 			struct pipe_ctx *old_pipe_ctx =
+ 							&dc->current_context->res_ctx.pipe_ctx[i];
+ 
+-			if (old_pipe_ctx->stream_res.tg && old_pipe_ctx->stream_res.tg->inst == be_idx)
++			if (old_pipe_ctx->stream_res.tg && old_pipe_ctx->stream_res.tg->inst == be_idx) {
++				old_pipe_ctx->stream_res.tg->funcs->set_blank(old_pipe_ctx->stream_res.tg, true);
+ 				dcn10_power_down_fe(dc, old_pipe_ctx->pipe_idx);
++			}
+ 		}
+ 		return;
+ 	}
+-- 
+2.7.4
+