On Tue, 2016-11-15 at 17:10 +0100, Philipp Hahn wrote: > Hello David, > > Am 15.11.2016 um 15:57 schrieb David Herrmann: > > > > On Fri, Oct 28, 2016 at 2:24 PM, Philipp Hahn <h...@univention.de> > > > > wrote: > > > while experimenting with UEFI and secure-boot I stumbled into the issue > > > "cirrusdrmfb broken with simplefb" associated with your name: > > > <https://groups.google.com/forum/#!msg/linux.kernel/tD2UEqra-wU/u6NkZY8o5YEJ> > > > > > > I'm using a Debian based linux-4.1.38 kernel, which has > > > > # zgrep -E 'CONFIG_X86_SYSFB|CONFIG_FB_SIMPLE' /boot/config-`uname -r` > > > > CONFIG_X86_SYSFB=y > > > > CONFIG_FB_SIMPLE=y > > > > > > I found that SUSE bug > > > > > > <https://bugzilla.novell.com/show_bug.cgi?id=855821>, where Takashi > > > > > > Iwai > > > finally disabled those options. > > > > > > I also checked Debians latest linux-4.7 kernel in Debian-sid, which > > > still has this setting. So my questions are: > > > 1, should Debian disable those options for x86? > > > 2. What would Debian loose? > > > 3. or is that issue fixed otherwise in newer kernels? > > > > Right now CONFIG_X86_SYSFB should remain disabled. Once the SimpleDRM > > driver is upstream, there will be infrastructure to do the hw > > handover. Right now, it breaks if you hand over hw from one driver to > > another. > > @David: Thank you for your feedback. > > @Debian: Please disable CONFIG_X86_SYSFB in Debian for all next builds - > maybe except arch=arm.
Thanks, I've committed this change for the next uploads to unstable and stable. Ben. -- Ben Hutchings Time is nature's way of making sure that everything doesn't happen at once.
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