Warnock branded Johnson "disgraceful" after taking offence to comments the Robins boss made in the local press before the game.
Johnson said: "We have to make sure we win it, whether we do it through aggression, good football or intimidation, we have to make sure we do it. I make no apologies for that."
The Millers boss was incensed by those comments, which he read out from a cut-out of the article in his post-match press conference, and labelled Johnson a disgrace while also referencing a previous spat with Johnson's father Gary.
"He did my team-talk
for me," Warnock said. "We stood up to the intimidation, he asked for it in the newspaper.
"He said how we wanted the crowd to intimidate and that's what
they tried to do.
Neil Warnock addresses the media after the 1-1 draw at Ashton Gate earlier this evening. #rufc pic.twitter.com/JgZzXxpXAg— Rotherham United (@OfficialRUFC) April 5, 2016
"Luckily we had a
strong referee who stood up to it.
"I thought it was a
disgrace, I know he's a young manager, but it was almost inciting the crowd
that. I thought that was out of order doing that. Like father like son.
"I don't think he
should be saying things like that.
"I thought they were
super again, its a super result for us. I can't say anything bad about anybody."
