Commit ab956ed9 authored by Chris Park's avatar Chris Park Committed by Alex Deucher
Browse files

drm/amd/display: Add a function for checking tmds mode 



[Why]
DVI is TMDS signal like HDMI but without audio.  Current signal check
does not correctly reflect DVI clock programming.

[How]
Define a new signal check for TMDS that includes DVI to HDMI TMDS
programming.

Reviewed-by: default avatarDillon Varone <dillon.varone@amd.com>
Acked-by: default avatarRodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: default avatarChris Park <chris.park@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 97d9e8ce

drivers/gpu/drm/amd/display/include/signal_types.h

+13 −0
Original line number Diff line number Diff line
@@ -118,6 +118,19 @@ static inline bool dc_is_dvi_signal(enum signal_type signal) 
	}

}



static inline bool dc_is_tmds_signal(enum signal_type signal)

{

	switch (signal) {

	case SIGNAL_TYPE_DVI_SINGLE_LINK:

	case SIGNAL_TYPE_DVI_DUAL_LINK:

	case SIGNAL_TYPE_HDMI_TYPE_A:

		return true;

	break;

	default:

		return false;

	}

}



static inline bool dc_is_dvi_single_link_signal(enum signal_type signal)

{

	return (signal == SIGNAL_TYPE_DVI_SINGLE_LINK);