Thanks Randy, I can add these. Where should I send/submit the patch to in this case? Still drm-misc? Regards, Qiang On Mon, Apr 8, 2019 at 3:08 AM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > > On 4/5/19 11:47 PM, kbuild test robot wrote: > > Hi Andrew, > > > > It's probably a bug fix that unveils the link errors. > > > > tree: git://git.cmpxchg.org/linux-mmotm.git master > > head: b09c000f671826e6f073a7f89b266e4ac998952b > > commit: 39a08f353e1f30f7ba2e8b751a9034010a99666c [227/248] linux-next-git-rejects > > config: sh-allyesconfig (attached as .config) > > compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 > > reproduce: > > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > > chmod +x ~/bin/make.cross > > git checkout 39a08f353e1f30f7ba2e8b751a9034010a99666c > > # save the attached .config to linux build tree > > GCC_VERSION=7.2.0 make.cross ARCH=sh > > > > All errors (new ones prefixed by >>): > > > > arch/sh/kernel/cpu/sh2/clock-sh7619.o:(.data+0x1c): undefined reference to `followparent_recalc' > > drivers/gpu/drm/lima/lima_gem.o: In function `lima_gem_fault': > >>> lima_gem.c:(.text+0x6c): undefined reference to `vmf_insert_mixed' > > > vmf_insert_mixed() is only built for MMU configs, and the attached config > does not set/enable MMU. > Maybe this driver should depend on MMU, like several other drm drivers do. > > > Also, lima_gem.c needs this line to be added to it: > > --- mmotm-2019-0405-1828.orig/drivers/gpu/drm/lima/lima_gem.c > +++ mmotm-2019-0405-1828/drivers/gpu/drm/lima/lima_gem.c > @@ -1,6 +1,7 @@ > // SPDX-License-Identifier: GPL-2.0 OR MIT > /* Copyright 2017-2019 Qiang Yu <yuq825@xxxxxxxxx> */ > > +#include <linux/mm.h> > #include <linux/sync_file.h> > #include <linux/pfn_t.h> > > > > -- > ~Randy
