tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-4.7
head: a776b1b07d41d92a8ea3d38b844300f25cd0aa8f
commit: 5db01f121bbd38ff2bb95fba4c5ec6b71120b6c5 [1591/1595] drm/amd/dal: Refactor i2c hw engine.
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 5db01f121bbd38ff2bb95fba4c5ec6b71120b6c5
# save the attached .config to linux build tree
make.cross ARCH=ia64
All warnings (new ones prefixed by >>):
drivers/gpu/drm/amd/amdgpu/../dal/dc/i2caux/dce110/i2c_hw_engine_dce110.c: In function 'disable_i2c_hw_engine':
>> drivers/gpu/drm/amd/amdgpu/../dal/dc/i2caux/dce110/i2c_hw_engine_dce110.c:106:21: warning: unused variable 'ctx' [-Wunused-variable]
struct dc_context *ctx = NULL;
^~~
vim +/ctx +106 drivers/gpu/drm/amd/amdgpu/../dal/dc/i2caux/dce110/i2c_hw_engine_dce110.c
471b9fe0 Harry Wentland 2015-11-25 90 * to 'pointer to struct i2c_hw_engine_dce110 *'
471b9fe0 Harry Wentland 2015-11-25 91 */
471b9fe0 Harry Wentland 2015-11-25 92 #define FROM_ENGINE(ptr) \
471b9fe0 Harry Wentland 2015-11-25 93 FROM_I2C_ENGINE(container_of((ptr), struct i2c_engine, base))
471b9fe0 Harry Wentland 2015-11-25 94
5db01f12 Yongqiang Sun 2016-09-22 95 #define CTX \
5db01f12 Yongqiang Sun 2016-09-22 96 hw_engine->base.base.base.ctx
5db01f12 Yongqiang Sun 2016-09-22 97 #define REG(reg_name)\
5db01f12 Yongqiang Sun 2016-09-22 98 (hw_engine->regs->reg_name)
5db01f12 Yongqiang Sun 2016-09-22 99 #include "reg_helper.h"
5db01f12 Yongqiang Sun 2016-09-22 100
5db01f12 Yongqiang Sun 2016-09-22 101
471b9fe0 Harry Wentland 2015-11-25 102 static void disable_i2c_hw_engine(
5db01f12 Yongqiang Sun 2016-09-22 103 struct i2c_hw_engine_dce110 *hw_engine)
471b9fe0 Harry Wentland 2015-11-25 104 {
471b9fe0 Harry Wentland 2015-11-25 105 uint32_t value = 0;
471b9fe0 Harry Wentland 2015-11-25 @106 struct dc_context *ctx = NULL;
471b9fe0 Harry Wentland 2015-11-25 107
5db01f12 Yongqiang Sun 2016-09-22 108 value = REG_READ(SETUP);
471b9fe0 Harry Wentland 2015-11-25 109
471b9fe0 Harry Wentland 2015-11-25 110 set_reg_field_value(
471b9fe0 Harry Wentland 2015-11-25 111 value,
471b9fe0 Harry Wentland 2015-11-25 112 0,
471b9fe0 Harry Wentland 2015-11-25 113 DC_I2C_DDC1_SETUP,
471b9fe0 Harry Wentland 2015-11-25 114 DC_I2C_DDC1_ENABLE);
:::::: The code at line 106 was first introduced by commit
:::::: 471b9fe0f46473b03141a1cda8301ee6e2ad0fdd drm/amd/dal: Add dal display driver
:::::: TO: Harry Wentland <harry.wentland@xxxxxxx>
:::::: CC: Alex Deucher <alexander.deucher@xxxxxxx>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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