On Tue, Jun 26, 2018 at 08:36:09PM +0200, Hans de Goede wrote: > Hi All, > > Here is v4 of my patch-set, to delay fbcon taking over the console (and > binding to fbdev devices) until there actually is some text output to the > console. This is intended for use with the "quiet" cmdline option, in > combination with a bootloader which leaves the vendor's logo / > EFI bootgraphics put up by the firmware intact on the EFI framebuffer. > > The end goal here is a boot where the firmware shows its boot graphics > and these stay in place for a couple of seconds until the GUI loads and > the GUI then smoothly takes over the framebuffer without any distruptions. > > This patch-set spans 2 subsystems. > > Petr, the printk subsys change is really trivial (1 line addition) can we > get your Acked-by for merging all 3 patches through the fbdev tree? > > Changelog: > > Changes in v4: > -Keep the comments about which fbcon functions need locks in place > > Changes in v3: > -Export is_console_locke() for use in modules (as fbcon may be built as a .ko) > -Use WARN_CONSOLE_UNLOCKED() in several places in the fbcon code to assert > proper locking (requested by Daniel) > -Unregister the fbcon-dummycon-output-notifier on fbcon_exit() (req. by Daniel) > -Document the fbcon=nodefer commandline option (req. by Emil) > > Changes in v2: > -Check the whole string when checking for erases in putcs, instead of just > the first char > -Make dummycon_blank return 1, so that a redraw gets triggered and any text > rendered while blanked gets output so that it can trigger a deferred > takeover if one is pending Wrt merging I think it'd be best if we stuff this into drm-misc-next - that will increase testing by gpu drivers a lot, instead of a suprise when the fbdev pull lands in upstream. Bart, is that ok with you? Hans, if Bart acks this you can directly push this imo. -Daniel > > Regards, > > Hans > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
