drm/amd/display: Do not count I2C DEFERs with AUX DEFERs

[WHY]
DP 2.0 SCR specifies that
"A DPTX shall distinguish I2C_DEFER|AUX_ACK from AUX_DEFER. AUX retries
due to
I2C_DEFER are not counted as part of minimum 7 retires (sic) upon
AUX_DEFER’s"

Signed-off-by: Wesley Chalmers <[e-mail]>
Reviewed-by: Jun Lei <[e-mail]>
Acked-by: Anson Jacob <[e-mail]>
Tested-by: Daniel Wheeler <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 			case AUX_TRANSACTION_REPLY_AUX_DEFER:
 				/* polling_timeout_period is in us */
 				defer_time_in_ms += aux110->polling_timeout_period / 1000;
+				++aux_defer_retries;
 				/* fall through */
 			case AUX_TRANSACTION_REPLY_I2C_OVER_AUX_DEFER:
 				retry_on_defer = true;
 				fallthrough;
 			case AUX_TRANSACTION_REPLY_I2C_OVER_AUX_NACK:
-				if (++aux_defer_retries >= AUX_MIN_DEFER_RETRIES
+				if (aux_defer_retries >= AUX_MIN_DEFER_RETRIES
 						&& defer_time_in_ms >= AUX_MAX_DEFER_TIMEOUT_MS) {
 					goto fail;
 				} else {