Scar tissue?

Hi I have been doing PE on and off for about a year and since then I have had 2 different injuries.
The first one is healed I feel, but its a new one Im currently fighting with. Let me explain:

On the left on my penis head there are small white patches(like connected dots), that are almost only visible when my penis is heated(because everything apart from that patch becomes redder).
I have a kind of soreness/mild pain that feels like something is not right down there, and I feel it coming from around that area where the white patches are.
So I am wondering if this can be scar tissue, and if its dangerous or permanent? I really want to continue doing PE so I desperately need help. I dont know how I got them, maybe from overwork or too much pressure.