drm/amd/display: Combine field toggle macro and sequence write macro.

[Why]
field toggle write is actual field sequence write with the same
field name.

[How]
Use REG_UPDATE_SEQ_2 for both sequence write and toggle.
Rename REG_UPDATE_1by1_3 to REG_UPDATE_SEQ_3.

Signed-off-by: Yongqiang Sun <[e-mail]>
Reviewed-by: Tony Cheng <[e-mail]>
Acked-by: Leo Li <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 		 (request->action == I2CAUX_TRANSACTION_ACTION_I2C_WRITE_MOT)));
 	if (REG(AUXN_IMPCAL)) {
 		/* clear_aux_error */
-		REG_UPDATE_SEQ(AUXN_IMPCAL, AUXN_CALOUT_ERROR_AK,
-				1,
-				0);
+		REG_UPDATE_SEQ_2(AUXN_IMPCAL,
+				AUXN_CALOUT_ERROR_AK, 1,
+				AUXN_CALOUT_ERROR_AK, 0);
 
-		REG_UPDATE_SEQ(AUXP_IMPCAL, AUXP_CALOUT_ERROR_AK,
-				1,
-				0);
+		REG_UPDATE_SEQ_2(AUXP_IMPCAL,
+				AUXP_CALOUT_ERROR_AK, 1,
+				AUXP_CALOUT_ERROR_AK, 0);
 
 		/* force_default_calibrate */
-		REG_UPDATE_1BY1_2(AUXN_IMPCAL,
+		REG_UPDATE_SEQ_2(AUXN_IMPCAL,
 				AUXN_IMPCAL_ENABLE, 1,
 				AUXN_IMPCAL_OVERRIDE_ENABLE, 0);
 
 		/* bug? why AUXN update EN and OVERRIDE_EN 1 by 1 while AUX P toggles OVERRIDE? */
 
-		REG_UPDATE_SEQ(AUXP_IMPCAL, AUXP_IMPCAL_OVERRIDE_ENABLE,
-				1,
-				0);
+		REG_UPDATE_SEQ_2(AUXP_IMPCAL,
+				AUXP_IMPCAL_OVERRIDE_ENABLE, 1,
+				AUXP_IMPCAL_OVERRIDE_ENABLE, 0);
 	}
 	/* set the delay and the number of bytes to write */
 
···
 	if (!bytes_replied)
 		return -1;
 
-	REG_UPDATE_1BY1_3(AUX_SW_DATA,
+	REG_UPDATE_SEQ_3(AUX_SW_DATA,
 			  AUX_SW_INDEX, 0,
 			  AUX_SW_AUTOINCREMENT_DISABLE, 1,
 			  AUX_SW_DATA_RW, 1);

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c

···
 {
 	struct dcn10_hubbub *hubbub1 = TO_DCN10_HUBBUB(hubbub);
 
-	REG_UPDATE_SEQ(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL,
-			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 0, 1);
+	REG_UPDATE_SEQ_2(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL,
+			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 0,
+			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 1);
 }
 
 void hubbub1_program_watermarks(

drivers/gpu/drm/amd/display/dc/inc/reg_helper.h

···
 /* macro to update a register field to specified values in given sequences.
  * useful when toggling bits
  */
-#define REG_UPDATE_SEQ(reg, field, value1, value2) \
-{	uint32_t val = REG_UPDATE(reg, field, value1); \
-	REG_SET(reg, val, field, value2); }
-
-/* macro to update fields in register 1 field at a time in given order */
-#define REG_UPDATE_1BY1_2(reg, f1, v1, f2, v2) \
+#define REG_UPDATE_SEQ_2(reg, f1, v1, f2, v2) \
 {	uint32_t val = REG_UPDATE(reg, f1, v1); \
 	REG_SET(reg, val, f2, v2); }
 
-#define REG_UPDATE_1BY1_3(reg, f1, v1, f2, v2, f3, v3) \
+#define REG_UPDATE_SEQ_3(reg, f1, v1, f2, v2, f3, v3) \
 {	uint32_t val = REG_UPDATE(reg, f1, v1); \
 	val = REG_SET(reg, val, f2, v2); \
 	REG_SET(reg, val, f3, v3); }