drm/amd/display/dc: add DIGG for KV

KV has 7 possible DIG blocks.

Signed-off-by: Alex Deucher <[e-mail]>
Reviewed-by: Harry Wentland <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c

···
 #define DCE110_DIG_FE_SOURCE_SELECT_DIGD 0x08
 #define DCE110_DIG_FE_SOURCE_SELECT_DIGE 0x10
 #define DCE110_DIG_FE_SOURCE_SELECT_DIGF 0x20
+#define DCE110_DIG_FE_SOURCE_SELECT_DIGG 0x40
 
 /* all values are in milliseconds */
 /* For eDP, after power-up/power/down,
···
 		return DCE110_DIG_FE_SOURCE_SELECT_DIGE;
 	case ENGINE_ID_DIGF:
 		return DCE110_DIG_FE_SOURCE_SELECT_DIGF;
+	case ENGINE_ID_DIGG:
+		return DCE110_DIG_FE_SOURCE_SELECT_DIGG;
 	default:
 		ASSERT_CRITICAL(false);
 		return DCE110_DIG_FE_SOURCE_SELECT_INVALID;
···
 	break;
 	case TRANSMITTER_UNIPHY_F:
 		enc110->base.preferred_engine = ENGINE_ID_DIGF;
+	break;
+	case TRANSMITTER_UNIPHY_G:
+		enc110->base.preferred_engine = ENGINE_ID_DIGG;
 	break;
 	default:
 		ASSERT_CRITICAL(false);

drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c

···
 	stream_enc_regs(2),
 	stream_enc_regs(3),
 	stream_enc_regs(4),
-	stream_enc_regs(5)
+	stream_enc_regs(5),
+	stream_enc_regs(6)
 };
 
 static const struct dce_stream_encoder_shift se_shift = {