tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
head: d9c54d61df327dc93374b718d7941a09e02e32e1
commit: 1d752442f3d6275b40bace55d022e792167f7fca [597/638] drm/amd/display: Use
100 Hz precision for pipe pixel clocks
config: i386-randconfig-n0-12220509 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
git checkout 1d752442f3d6275b40bace55d022e792167f7fca
# save the attached .config to linux build tree
make ARCH=i386
Note: the radeon-alex/amd-staging-drm-next HEAD
d9c54d61df327dc93374b718d7941a09e02e32e1 builds fine.
It only hurts bisectibility.
All errors (new ones prefixed by >>):
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.o: In function
`amdgpu_dm_do_flip':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:4615: undefined
reference to `__udivdi3'
drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.o: In function
`program_pix_dur':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce80/dce80_timing_generator.c:97:
>> undefined reference to `__udivdi3'
vim +97 drivers/gpu/drm/amd/amdgpu/../display/dc/dce80/dce80_timing_generator.c
86
87 static void program_pix_dur(struct timing_generator *tg, uint32_t
pix_clk_100hz)
88 {
89 uint64_t pix_dur;
90 uint32_t addr = mmDMIF_PG0_DPG_PIPE_ARBITRATION_CONTROL1
91 +
DCE110TG_FROM_TG(tg)->offsets.dmif;
92 uint32_t value = dm_read_reg(tg->ctx, addr);
93
94 if (pix_clk_100hz == 0)
95 return;
96
> 97 pix_dur = 10000000000ull / pix_clk_100hz;
98
99 set_reg_field_value(
100 value,
101 pix_dur,
102 DPG_PIPE_ARBITRATION_CONTROL1,
103 PIXEL_DURATION);
104
105 dm_write_reg(tg->ctx, addr, value);
106 }
107
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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