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/ma... -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@amd.com :::::: CC: Alex Deucher alexander.deucher@amd.com

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