tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-4.7
head: 40e923b4f9d40cf4ef12b6b11b6159813f2172b2
commit: c513f4e4fcad6a663c3306be4f83e469173186fe [1514/1548] drm/amd/dal:
refactor aux 3
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout c513f4e4fcad6a663c3306be4f83e469173186fe
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
drivers/gpu/drm/amd/amdgpu/../dal/dc/i2caux/dce110/aux_engine_dce110.c: In
function 'acquire_engine':
>> drivers/gpu/drm/amd/amdgpu/../dal/dc/i2caux/dce110/aux_engine_dce110.c:111:11:
>> warning: unused variable 'counter' [-Wunused-variable]
uint8_t counter = 0;
^~~~~~~
At top level:
drivers/gpu/drm/amd/amdgpu/../dal/dc/i2caux/dce110/aux_engine_dce110.c:161:13:
warning: 'configure' defined but not used [-Wunused-function]
static void configure(
^~~~~~~~~
vim +/counter +111
drivers/gpu/drm/amd/amdgpu/../dal/dc/i2caux/dce110/aux_engine_dce110.c
471b9fe0 Harry Wentland 2015-11-25 95
471b9fe0 Harry Wentland 2015-11-25 96 #define SW_CAN_ACCESS_AUX 1
471b9fe0 Harry Wentland 2015-11-25 97
471b9fe0 Harry Wentland 2015-11-25 98 static bool acquire_engine(
471b9fe0 Harry Wentland 2015-11-25 99 struct aux_engine *engine)
471b9fe0 Harry Wentland 2015-11-25 100 {
c513f4e4 Tony Cheng 2016-09-17 101 struct aux_engine_dce110
*aux110 = FROM_AUX_ENGINE(engine);
c513f4e4 Tony Cheng 2016-09-17 102 bool acquire_reset = true;
/*DCE11 = 1, DCE8 = 0 */
471b9fe0 Harry Wentland 2015-11-25 103
471b9fe0 Harry Wentland 2015-11-25 104 /* enable AUX before request SW
to access AUX */
c513f4e4 Tony Cheng 2016-09-17 105 uint32_t value =
REG_READ(AUX_CONTROL);
c513f4e4 Tony Cheng 2016-09-17 106 uint32_t field =
get_reg_field_value(value,
471b9fe0 Harry Wentland 2015-11-25 107
AUX_CONTROL,
471b9fe0 Harry Wentland 2015-11-25 108 AUX_EN);
471b9fe0 Harry Wentland 2015-11-25 109
471b9fe0 Harry Wentland 2015-11-25 110 if (field == 0) {
471b9fe0 Harry Wentland 2015-11-25 @111 uint8_t counter = 0;
471b9fe0 Harry Wentland 2015-11-25 112
471b9fe0 Harry Wentland 2015-11-25 113 set_reg_field_value(
471b9fe0 Harry Wentland 2015-11-25 114 value,
471b9fe0 Harry Wentland 2015-11-25 115 1,
471b9fe0 Harry Wentland 2015-11-25 116
AUX_CONTROL,
471b9fe0 Harry Wentland 2015-11-25 117 AUX_EN);
471b9fe0 Harry Wentland 2015-11-25 118
c513f4e4 Tony Cheng 2016-09-17 119 if (acquire_reset) {
:::::: The code at line 111 was first introduced by commit
:::::: 471b9fe0f46473b03141a1cda8301ee6e2ad0fdd drm/amd/dal: Add dal display
driver
:::::: TO: Harry Wentland <harry.wentland at amd.com>
:::::: CC: Alex Deucher <alexander.deucher at amd.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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