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SubjectRe: cirrusdrmfb broken with simplefb

* David Herrmann <dh.herrmann@gmail.com> wrote:

> Hi
>
> On Thu, Dec 19, 2013 at 1:03 AM, One Thousand Gnomes
> <gnomes@lxorguk.ukuu.org.uk> wrote:
> >> > That bug always existed, simplefb is just the first driver to hit it
> >> > (vesafb/efifb didn't use resources). I'm aware of the issue but as a
> >> > workaround you can simply disable CONFIG_X86_SYSFB. That restores
> >> > the old behavior.
> >>
> >> This looks like a regression, so we'll either need a fix or we'll have
> >> to mark CONFIG_X86_SYSFB as CONFIG_BROKEN.
> >
> > Kernel bugzilla has entries for simplefb breaking both vesafb and
> > matrox mga.
>
> Thanks for the hints. I've read through all I could find and tried
> to provide some help.
>
> I'm kind of confused, most of them enable CONFIG_X86_SYSFB (which is
> 'n' by default) but don't read the help text. I did my best to tell
> people that this option requires CONFIG_FB_SIMPLE, but if you don't
> read the help-text you won't notice that. Don't know what to do
> about that..

People generally don't read the help text - still the kernel should
not break. So please the Kconfig angle (and the bootup logic, etc.)
fool-proof, graphics failures are not fun to debug!

Thanks,

Ingo


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