drm/amd/display: remove un-used defines and dead code

Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 35 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/basics/signal_types.c b/drivers/gpu/drm/amd/display/dc/basics/signal_types.c
index 44447e07803a..247487c3db71 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/signal_types.c
+++ b/drivers/gpu/drm/amd/display/dc/basics/signal_types.c
@@ -44,23 +44,6 @@ bool dc_is_dp_signal(enum signal_type signal)
 		signal == SIGNAL_TYPE_DISPLAY_PORT_MST);
 }
 
-bool dc_is_dp_external_signal(enum signal_type signal)
-{
-	return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
-		signal == SIGNAL_TYPE_DISPLAY_PORT_MST);
-}
-
-bool dc_is_analog_signal(enum signal_type signal)
-{
-	switch (signal) {
-	case SIGNAL_TYPE_RGB:
-		return true;
-	break;
-	default:
-		return false;
-	}
-}
-
 bool dc_is_embedded_signal(enum signal_type signal)
 {
 	return (signal == SIGNAL_TYPE_EDP || signal == SIGNAL_TYPE_LVDS);
@@ -96,21 +79,3 @@ bool dc_is_audio_capable_signal(enum signal_type signal)
 		signal == SIGNAL_TYPE_WIRELESS);
 }
 
-/*
- * @brief
- * Returns whether the signal is compatible
- * with other digital encoder signal types.
- * This is true for DVI, LVDS, and HDMI signal types.
- */
-bool dc_is_digital_encoder_compatible_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:
-	case SIGNAL_TYPE_LVDS:
-		return true;
-	default:
-		return false;
-	}
-}