drm/amd/display: Define dp_alt_mode

Also cleanup command_table2.c. No need for a lot of forward
declarations.
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/bios/command_table2.c

@@ -59,36 +59,7 @@
 	bios_cmd_table_para_revision(bp->base.ctx->driver_context, \
 			GET_INDEX_INTO_MASTER_TABLE(command, fname))
 
-static void init_dig_encoder_control(struct bios_parser *bp);
-static void init_transmitter_control(struct bios_parser *bp);
-static void init_set_pixel_clock(struct bios_parser *bp);
 
-static void init_set_crtc_timing(struct bios_parser *bp);
-
-static void init_select_crtc_source(struct bios_parser *bp);
-static void init_enable_crtc(struct bios_parser *bp);
-
-static void init_external_encoder_control(struct bios_parser *bp);
-static void init_enable_disp_power_gating(struct bios_parser *bp);
-static void init_set_dce_clock(struct bios_parser *bp);
-static void init_get_smu_clock_info(struct bios_parser *bp);
-
-void dal_firmware_parser_init_cmd_tbl(struct bios_parser *bp)
-{
-	init_dig_encoder_control(bp);
-	init_transmitter_control(bp);
-	init_set_pixel_clock(bp);
-
-	init_set_crtc_timing(bp);
-
-	init_select_crtc_source(bp);
-	init_enable_crtc(bp);
-
-	init_external_encoder_control(bp);
-	init_enable_disp_power_gating(bp);
-	init_set_dce_clock(bp);
-	init_get_smu_clock_info(bp);
-}
 
 static uint32_t bios_cmd_table_para_revision(void *dev,
 					     uint32_t index)
@@ -829,3 +800,20 @@ static unsigned int get_smu_clock_info_v3_1(struct bios_parser *bp, uint8_t id)
 	return 0;
 }
 
+void dal_firmware_parser_init_cmd_tbl(struct bios_parser *bp)
+{
+	init_dig_encoder_control(bp);
+	init_transmitter_control(bp);
+	init_set_pixel_clock(bp);
+
+	init_set_crtc_timing(bp);
+
+	init_select_crtc_source(bp);
+	init_enable_crtc(bp);
+
+	init_external_encoder_control(bp);
+	init_enable_disp_power_gating(bp);
+	init_set_dce_clock(bp);
+	init_get_smu_clock_info(bp);
+
+}

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c

@@ -995,6 +995,8 @@ void dcn10_link_encoder_disable_output(
 
 	if (!dcn10_is_dig_enabled(enc)) {
 		/* OF_SKIP_POWER_DOWN_INACTIVE_ENCODER */
+	/*in DP_Alt_No_Connect case, we turn off the dig already,
+	after excuation the PHY w/a sequence, not allow touch PHY any more*/
 		return;
 	}
 	/* Power-down RX and disable GPU PHY should be paired.

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

@@ -197,6 +197,11 @@ enum transmitter_color_depth {
 	TRANSMITTER_COLOR_DEPTH_48       /* 16 bits */
 };
 
+enum dp_alt_mode {
+	DP_Alt_mode__Unknown = 0,
+	DP_Alt_mode__Connect,
+	DP_Alt_mode__NoConnect,
+};
 /*
  *****************************************************************************
  * graphics_object_id struct