Commit 2796eaee authored by Joshua Aberback's avatar Joshua Aberback Committed by Alex Deucher
Browse files

drm/amd/display: When signal type of sink is none, use link type for stream 



Signed-off-by: default avatarJoshua Aberback <Joshua.Aberback@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4b5e7d62

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

+11 −10
Original line number Diff line number Diff line
@@ -984,19 +984,20 @@ static void update_stream_signal(struct core_stream *stream) 
{

	const struct dc_sink *dc_sink = stream->public.sink;



	stream->signal = dc_sink->sink_signal;

	if (dc_sink->sink_signal == SIGNAL_TYPE_NONE)

		stream->signal = stream->sink->link->public.connector_signal;

	else if (dc_sink->sink_signal == SIGNAL_TYPE_DVI_SINGLE_LINK ||

			dc_sink->sink_signal == SIGNAL_TYPE_DVI_DUAL_LINK)

		/* For asic supports dual link DVI, we should adjust signal type

		 * based on timing pixel clock. If pixel clock more than 165Mhz,

		 * signal is dual link, otherwise, single link.

		 */

	if (dc_sink->sink_signal == SIGNAL_TYPE_DVI_SINGLE_LINK ||

			dc_sink->sink_signal == SIGNAL_TYPE_DVI_DUAL_LINK) {

		if (stream->public.timing.pix_clk_khz >

						TMDS_MAX_PIXEL_CLOCK_IN_KHZ)

		if (stream->public.timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ)

			stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;

		else

			stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;

	}

	else

		stream->signal = dc_sink->sink_signal;

}



bool resource_is_stream_unchanged(