On Sun, 11 Oct 2020 at 23:01, Randy Dunlap <rdun...@infradead.org> wrote: > > kernel test robot reported build errors (undefined references) > that didn't make much sense. After reproducing them, there is also > a Kconfig warning that is the root cause of the build errors, so > fix that Kconfig problem. > > Fixes this Kconfig warning: > WARNING: unmet direct dependencies detected for CMA > Depends on [n]: MMU [=n] > Selected by [m]: > - DRM_ASPEED_GFX [=m] && HAS_IOMEM [=y] && DRM [=m] && OF [=y] && > (COMPILE_TEST [=y] || ARCH_ASPEED) && HAVE_DMA_CONTIGUOUS [=y] > > and these dependent build errors: > (.text+0x10c8c): undefined reference to `start_isolate_page_range' > microblaze-linux-ld: (.text+0x10f14): undefined reference to > `test_pages_isolated' > microblaze-linux-ld: (.text+0x10fd0): undefined reference to > `undo_isolate_page_range' > > Fixes: 76356a966e33 ("drm: aspeed: Clean up Kconfig options") > Reported-by: kernel test robot <l...@intel.com> > Signed-off-by: Randy Dunlap <rdun...@infradead.org> > Cc: Joel Stanley <j...@jms.id.au> > Cc: Andrew Jeffery <and...@aj.id.au> > Cc: Daniel Vetter <daniel.vet...@ffwll.ch> > Cc: Michal Simek <mon...@monstr.eu> > Cc: Andrew Morton <a...@linux-foundation.org> > Cc: Mike Rapoport <r...@linux.ibm.com> > Cc: linux...@kvack.org > Cc: linux-asp...@lists.ozlabs.org > Cc: linux-arm-ker...@lists.infradead.org > Cc: David Airlie <airl...@linux.ie> > Cc: dri-de...@lists.freedesktop.org > --- > First sent on 2020-09-07. > Feel free to fix the Kconfig warning some other way...
Reviewed-by: Joel Stanley <j...@jms.id.au> Thanks Randy. Sorry for missing it the first time around. I'll merge this into drm-misc-next. Cheers, Joel > > drivers/gpu/drm/aspeed/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > --- linux-next-20201009.orig/drivers/gpu/drm/aspeed/Kconfig > +++ linux-next-20201009/drivers/gpu/drm/aspeed/Kconfig > @@ -3,6 +3,7 @@ config DRM_ASPEED_GFX > tristate "ASPEED BMC Display Controller" > depends on DRM && OF > depends on (COMPILE_TEST || ARCH_ASPEED) > + depends on MMU > select DRM_KMS_HELPER > select DRM_KMS_CMA_HELPER > select DMA_CMA if HAVE_DMA_CONTIGUOUS