* [linux-next:master 9967/10320] drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c:117:11: warning: variable 'channels' set but not used
@ 2021-08-25 12:44 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-08-25 12:44 UTC (permalink / raw)
To: Fangzhi Zuo
Cc: kbuild-all, Linux Memory Management List, Alex Deucher,
Nicholas Kazlauskas
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 7636510f976d75b860848884169ba985c8f844d8
commit: c45ffcf7ea9d57b79e264b6c2d8afb5e95a93097 [9967/10320] drm/amd/display: Add DP 2.0 Audio Package Generator
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c45ffcf7ea9d57b79e264b6c2d8afb5e95a93097
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout c45ffcf7ea9d57b79e264b6c2d8afb5e95a93097
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c: In function 'apg31_se_audio_setup':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c:117:11: warning: variable 'channels' set but not used [-Wunused-but-set-variable]
117 | uint32_t channels = 0;
| ^~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c:116:11: warning: variable 'speakers' set but not used [-Wunused-but-set-variable]
116 | uint32_t speakers = 0;
| ^~~~~~~~
vim +/channels +117 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c
108
109 static void apg31_se_audio_setup(
110 struct apg *apg,
111 unsigned int az_inst,
112 struct audio_info *audio_info)
113 {
114 struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg);
115
> 116 uint32_t speakers = 0;
> 117 uint32_t channels = 0;
118
119 ASSERT(audio_info);
120 /* This should not happen.it does so we don't get BSOD*/
121 if (audio_info == NULL)
122 return;
123
124 speakers = audio_info->flags.info.ALLSPEAKERS;
125 channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
126
127 /* DisplayPort only allows for one audio stream with stream ID 0 */
128 REG_UPDATE(APG_CONTROL2, APG_DP_AUDIO_STREAM_ID, 0);
129
130 /* When running in "pair mode", pairs of audio channels have their own enable
131 * this is for really old audio drivers */
132 REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, 0xF);
133 // REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, channels);
134
135 /* Disable forced mem power off */
136 REG_UPDATE(APG_MEM_PWR, APG_MEM_PWR_FORCE, 0);
137
138 apg31_enable(apg);
139 }
140
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
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^ permalink raw reply [flat|nested] 2+ messages in thread
* [linux-next:master 9967/10320] drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c:117:11: warning: variable 'channels' set but not used
@ 2021-08-25 12:44 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-08-25 12:44 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 2904 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 7636510f976d75b860848884169ba985c8f844d8
commit: c45ffcf7ea9d57b79e264b6c2d8afb5e95a93097 [9967/10320] drm/amd/display: Add DP 2.0 Audio Package Generator
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c45ffcf7ea9d57b79e264b6c2d8afb5e95a93097
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout c45ffcf7ea9d57b79e264b6c2d8afb5e95a93097
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c: In function 'apg31_se_audio_setup':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c:117:11: warning: variable 'channels' set but not used [-Wunused-but-set-variable]
117 | uint32_t channels = 0;
| ^~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c:116:11: warning: variable 'speakers' set but not used [-Wunused-but-set-variable]
116 | uint32_t speakers = 0;
| ^~~~~~~~
vim +/channels +117 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c
108
109 static void apg31_se_audio_setup(
110 struct apg *apg,
111 unsigned int az_inst,
112 struct audio_info *audio_info)
113 {
114 struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg);
115
> 116 uint32_t speakers = 0;
> 117 uint32_t channels = 0;
118
119 ASSERT(audio_info);
120 /* This should not happen.it does so we don't get BSOD*/
121 if (audio_info == NULL)
122 return;
123
124 speakers = audio_info->flags.info.ALLSPEAKERS;
125 channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
126
127 /* DisplayPort only allows for one audio stream with stream ID 0 */
128 REG_UPDATE(APG_CONTROL2, APG_DP_AUDIO_STREAM_ID, 0);
129
130 /* When running in "pair mode", pairs of audio channels have their own enable
131 * this is for really old audio drivers */
132 REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, 0xF);
133 // REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, channels);
134
135 /* Disable forced mem power off */
136 REG_UPDATE(APG_MEM_PWR, APG_MEM_PWR_FORCE, 0);
137
138 apg31_enable(apg);
139 }
140
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
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^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-08-25 12:45 UTC | newest]
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2021-08-25 12:44 [linux-next:master 9967/10320] drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_apg.c:117:11: warning: variable 'channels' set but not used kernel test robot
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