From: Hersen Wu <hersenxs.wu@amd.com>
Date: Fri, 27 Jan 2017 20:44:26 +0000 (-0500)
Subject: drm/amd/display: Clear test pattern when enabling stream
X-Git-Tag: android-x86-8.1-r1~2207^2~23^2~722
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=71021265a6f03893139f58f2bc50d2ad9adc3826;p=android-x86%2Fkernel.git

drm/amd/display: Clear test pattern when enabling stream

Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 2bceb3aa24b5..ec5de329b091 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1846,6 +1846,11 @@ void core_link_enable_stream(struct pipe_ctx *pipe_ctx)
 			return;
 	}
 
+	/* turn off otg test pattern if enable */
+	pipe_ctx->tg->funcs->set_test_pattern(pipe_ctx->tg,
+			CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
+			COLOR_DEPTH_UNDEFINED);
+
 	core_dc->hwss.enable_stream(pipe_ctx);
 
 	if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)