[PATCH] kernel/panic: Drop unblank_screen call

[Sebastian Andrzej Siewior]

On 2022-08-30 16:50:04 [+0200], Daniel Vetter wrote:
> Long story short, I have no idea why the direct call to unblank_screen
> survived for so long (the infrastructure to do it properly existed for
> years), nor why it wasn't removed when the console_unblank() call was
> finally added. But it makes a ton more sense to finally do that than
> not - it's just better encapsulation to go through the console
> functions instead of doing a direct call, so let's dare. Plus it
> really does not make much sense to call the only unblank
> implementation there is twice, once without, and once with appropriate
> locking.

Yup, calling it twice is redundant. 
The only difference I see is that the console implementation relies on
CONFIG_VT_CONSOLE while the former relied only on CONFIG_VT. There
should be no console output without CONFIG_VT_CONSOLE so no need to
unblank it.

Acked-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>

Sebastian