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Re: High DPI (4K), laptop screen, mode settings, fonts and initramfs-tools



On 22/02/2020 20:57, Alex Yuriev wrote:
> Hi,
>
> I have a 4K laptop in a 12" package with Intel HD520. I have been
> running Debian 7 and Debian 8 on it for a while and now I have updated
> to Debian 10.
>
> I'm sure that you already have an idea of the issue - the console
> fonts on 4k are tiny, barely usable even at 32px ( does anyone know
> why setfont is limited to 32 pixels in high or width )?
>
> The biggest problem is that if KMS is on which it has to be for X to
> accelerated graphics then the initrd uses default tiny font as
> described by in #859458
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=859458 which makes
> say answering entering a passphrase for FDE extremely difficult.


If you install Plymouth, then you can use a Graphical theme during boot,
which allows for the option of any Scalable (aka True Type) font, at any
size.


>
> Now the solution/workaround is that while building the initrd we
> should blacklist i915 while allowing it to be loaded after the root is
> mounted. In that flow the KMS would not activate at initrd stage as
> i915 would be blacklisted but would activate in the late stage. I have
> tested this approach and it works perfectly.
>
> Which brings me to a question:
>
> Is there an "official" way to accomplish this via hooks in
> initramfs-tool? Are there user/system hooks that would be preserved
> across initramfs-tool updates and a correct/conventional way of
> implementing them? 
>
> This is initramfs-tools 0.13deb10u1 
>
> Thanks,
> Alex
>
>

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