Re: a6xx_gpu.c:undefined reference to `llcc_slice_deactivate'

From: Sai Prakash Ranjan
Date: Mon Apr 26 2021 - 11:02:56 EST


On 2021-04-26 09:13, kernel test robot wrote:
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 9f4ad9e425a1d3b6a34617b8ea226d56a119a717
commit: 474dadb8b0d557661cb3d1727f1ff2f82bac6b4c drm/msm/a6xx: Add
support for using system cache(LLC)
date: 5 months ago
config: arm64-randconfig-m031-20210426 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross
-O ~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=474dadb8b0d557661cb3d1727f1ff2f82bac6b4c
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 474dadb8b0d557661cb3d1727f1ff2f82bac6b4c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
W=1 ARCH=arm64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

aarch64-linux-ld: Unexpected GOT/PLT entries detected!
aarch64-linux-ld: Unexpected run-time procedure linkages detected!
aarch64-linux-ld: drivers/gpu/drm/msm/adreno/a6xx_gpu.o: in
function `a6xx_pm_suspend':
a6xx_gpu.c:(.text+0x92c): undefined reference to `llcc_slice_deactivate'
aarch64-linux-ld: a6xx_gpu.c:(.text+0x94c): undefined reference to `llcc_slice_deactivate'
aarch64-linux-ld: drivers/gpu/drm/msm/adreno/a6xx_gpu.o: in
function `a6xx_pm_resume':
a6xx_gpu.c:(.text+0xb9c): undefined reference to `llcc_slice_activate'
aarch64-linux-ld: a6xx_gpu.c:(.text+0xbc0): undefined reference to `llcc_slice_activate'
aarch64-linux-ld: a6xx_gpu.c:(.text+0xc00): undefined reference to `llcc_get_slice_id'
aarch64-linux-ld: a6xx_gpu.c:(.text+0xc8c): undefined reference to
`llcc_get_slice_id'
aarch64-linux-ld: a6xx_gpu.c:(.text+0xccc): undefined reference to
`llcc_slice_activate'
aarch64-linux-ld: drivers/gpu/drm/msm/adreno/a6xx_gpu.o: in
function `a6xx_destroy':
a6xx_gpu.c:(.text+0x5e54): undefined reference to `llcc_slice_putd'
aarch64-linux-ld: a6xx_gpu.c:(.text+0x5e74): undefined reference to `llcc_slice_putd'
aarch64-linux-ld: drivers/gpu/drm/msm/adreno/a6xx_gpu.o: in
function `a6xx_gpu_init':
a6xx_gpu.c:(.text+0x60d0): undefined reference to `llcc_slice_getd'
aarch64-linux-ld: a6xx_gpu.c:(.text+0x60f4): undefined reference to `llcc_slice_getd'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Arnd's patch [1] should fix the issue.

[1] https://lore.kernel.org/lkml/20210103140407.3917405-1-arnd@xxxxxxxxxx/

Thanks,
Sai

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