tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.18-wip
head: 404af8e5236fe7eb64d91bf708bd7aa81815d14e
commit: a21ddec61c5ed30b58eea3268ad3e0c69452ebfe [80/108] drm/amd/display: fix
31_32_fixpt shift functions
config: i386-randconfig-a1-201819 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
git checkout a21ddec61c5ed30b58eea3268ad3e0c69452ebfe
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.o: In function
`dc_fixpt_shl':
>> drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:211: undefined
>> reference to `__divdi3'
vim +211 drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h
4562236b3 Harry Wentland 2017-09-12 199
4562236b3 Harry Wentland 2017-09-12 200 /*
4562236b3 Harry Wentland 2017-09-12 201 * @brief
4562236b3 Harry Wentland 2017-09-12 202 * Binary shift operators
4562236b3 Harry Wentland 2017-09-12 203 */
4562236b3 Harry Wentland 2017-09-12 204
4562236b3 Harry Wentland 2017-09-12 205 /*
4562236b3 Harry Wentland 2017-09-12 206 * @brief
4562236b3 Harry Wentland 2017-09-12 207 * result = arg << shift
4562236b3 Harry Wentland 2017-09-12 208 */
f3ba7a2fd Dmytro Laktyushkin 2018-04-18 209 static inline struct fixed31_32
dc_fixpt_shl(struct fixed31_32 arg, unsigned char shift)
f3ba7a2fd Dmytro Laktyushkin 2018-04-18 210 {
f3ba7a2fd Dmytro Laktyushkin 2018-04-18 @211 ASSERT(((arg.value >= 0) &&
(arg.value <= LLONG_MAX >> shift)) ||
a21ddec61 Dmytro Laktyushkin 2018-04-23 212 ((arg.value < 0) &&
(arg.value >= (LLONG_MIN / (1 << shift)))));
f3ba7a2fd Dmytro Laktyushkin 2018-04-18 213
a21ddec61 Dmytro Laktyushkin 2018-04-23 214 arg.value = arg.value << shift;
f3ba7a2fd Dmytro Laktyushkin 2018-04-18 215
a21ddec61 Dmytro Laktyushkin 2018-04-23 216 return arg;
f3ba7a2fd Dmytro Laktyushkin 2018-04-18 217 }
4562236b3 Harry Wentland 2017-09-12 218
:::::: The code at line 211 was first introduced by commit
:::::: f3ba7a2fd1ebffe7fc6a9c524754db05dcd0c0e4 drm/amd/display: inline more of
fixed point code
:::::: TO: Dmytro Laktyushkin <dmytro.laktyush...@amd.com>
:::::: CC: Alex Deucher <alexander.deuc...@amd.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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