drm/amd/display: Clean up code in DC

This commit removes some unnecessary code and makes the required
adjustments to replace other parts of the code with a short option.
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c

@@ -248,13 +248,13 @@ void dcn32_link_encoder_construct(
 	enc10->base.hpd_source = init_data->hpd_source;
 	enc10->base.connector = init_data->connector;
 
-	if (enc10->base.connector.id == CONNECTOR_ID_USBC)
-		enc10->base.features.flags.bits.DP_IS_USB_C = 1;
-
 	enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
 
 	enc10->base.features = *enc_features;
 
+	if (enc10->base.connector.id == CONNECTOR_ID_USBC)
+		enc10->base.features.flags.bits.DP_IS_USB_C = 1;
+
 	enc10->base.transmitter = init_data->transmitter;
 
 	/* set the flag to indicate whether driver poll the I2C data pin

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.h

@@ -26,15 +26,7 @@
 #ifndef __DC_LINK_ENCODER__DCN32_H__
 #define __DC_LINK_ENCODER__DCN32_H__
 
-#include "dcn31/dcn31_dio_link_encoder.h"
-
-#define LE_DCN32_REG_LIST(id)\
-	LE_DCN31_REG_LIST(id),\
-	SRI(DIG_FIFO_CTRL0, DIG, id)
-
-#define LINK_ENCODER_MASK_SH_LIST_DCN32(mask_sh) \
-	LINK_ENCODER_MASK_SH_LIST_DCN31(mask_sh),\
-	LE_SF(DIG0_DIG_FIFO_CTRL0, DIG_FIFO_OUTPUT_PIXEL_MODE, mask_sh)
+#include "dcn30/dcn30_dio_link_encoder.h"
 
 void dcn32_link_encoder_construct(
 	struct dcn20_link_encoder *enc20,

drivers/gpu/drm/amd/display/dc/dcn321/dcn321_dio_link_encoder.c

@@ -127,11 +127,6 @@ void dcn321_link_encoder_construct(
 	 * while doing the DP sink detect
 	 */
 
-/*	if (dal_adapter_service_is_feature_supported(as,
-		FEATURE_DP_SINK_DETECT_POLL_DATA_PIN))
-		enc10->base.features.flags.bits.
-			DP_SINK_DETECT_POLL_DATA_PIN = true;*/
-
 	enc10->base.output_signals =
 		SIGNAL_TYPE_DVI_SINGLE_LINK |
 		SIGNAL_TYPE_DVI_DUAL_LINK |

drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h

@@ -163,12 +163,11 @@ struct link_encoder_funcs {
 
 	enum signal_type (*get_dig_mode)(
 		struct link_encoder *enc);
+
 	void (*set_dio_phy_mux)(
 		struct link_encoder *enc,
 		enum encoder_type_select sel,
 		uint32_t hpo_inst);
-	void (*set_dig_output_mode)(
-			struct link_encoder *enc, uint8_t pix_per_container);
 };
 
 /*

drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c

@@ -62,6 +62,9 @@
 #include "dcn20/dcn20_vmid.h"
 #include "dce/dce_panel_cntl.h"
 
+#include "dcn20/dcn20_dwb.h"
+#include "dcn20/dcn20_mmhubbub.h"
+
 #include "navi10_ip_offset.h"
 
 #include "dcn/dcn_2_0_0_offset.h"
@@ -71,9 +74,6 @@
 
 #include "nbio/nbio_2_3_offset.h"
 
-#include "dcn20/dcn20_dwb.h"
-#include "dcn20/dcn20_mmhubbub.h"
-
 #include "mmhub/mmhub_2_0_0_offset.h"
 #include "mmhub/mmhub_2_0_0_sh_mask.h"
 
@@ -83,11 +83,10 @@
 #include "dce/dce_aux.h"
 #include "dce/dce_i2c.h"
 #include "vm_helper.h"
-#include "link_enc_cfg.h"
-
-#include "amdgpu_socbb.h"
 
+#include "link_enc_cfg.h"
 #include "link.h"
+
 #define DC_LOGGER_INIT(logger)
 
 #ifndef mmDP0_DP_DPHY_INTERNAL_CTRL