On Mon, Jan 31, 2022 at 10:05:38PM +0100, Daniel Vetter wrote: > fb_set_var requires we hold the fb_info lock. Or at least this now > matches what the ioctl does ... > > Note that ps3fb and sh_mobile_lcdcfb are busted in different ways here, > but I will not fix them up. > > Also in practice this isn't a big deal, because really variable fbdev > state is actually protected by console_lock (because fbcon just > doesn't bother with lock_fb_info() at all), and lock_fb_info > protecting anything is really just a neat lie. But that's a much > bigger fish to fry. > > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx> > Cc: Helge Deller <deller@xxxxxx> > Cc: Daniel Vetter <daniel@xxxxxxxx> > Cc: Qing Wang <wangqing@xxxxxxxx> > Cc: Sam Ravnborg <sam@xxxxxxxxxxxx> Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
