bool is_vga_mode = (stream->timing.h_addressable == 640)
&& (stream->timing.v_addressable == 480);
struct dc *dc = pipe_ctx->stream->ctx->dc;
+ const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
if (stream->phy_pix_clk == 0)
stream->phy_pix_clk = stream->timing.pix_clk_100hz / 10;
if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
display_color_depth = COLOR_DEPTH_888;
+ /* We need to enable stream encoder for TMDS first to apply 1/4 TMDS
+ * character clock in case that beyond 340MHz.
+ */
+ if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal))
+ link_hwss->setup_stream_encoder(pipe_ctx);
+
dc->hwss.enable_tmds_link_output(
link,
&pipe_ctx->link_res,