Re: [RFC PATCH v2 03/13] bootsplash: Flush framebuffer after drawing

From: Ray Strode
Date: Tue Dec 19 2017 - 16:01:51 EST


On Tue, Dec 19, 2017 at 10:41 AM, Max Staudt <mstaudt@xxxxxxx> wrote:
> I'm hooking into the in-kernel terminal emulator, because the bootsplash is a
> functional extension of that. It just happens that fbcon sits on top of FB, so I
> work with what I get.
> And the console in turn happens to work on all FB and KMS drivers, so it
> makes users of all kinds of drivers happy. In fact, that's why the FB emulation
> in KMS drivers came to be in the first place, if I remember right - to ensure
> fbcon continues to work.

But what about multi-monitor? what about hidpi screens? Ideally you want
each monitor to show the splash in a way that best fits that monitor.

You can't do that if you're drawing all over fbcon... and it's not like multiple
monitors and 4k screens are niche these days.