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 2bceb3a..ec5de32 100644 (file)
--- 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)