* [chrome-os:chromeos-5.15 9/64] drivers/gpu/drm/display/drm_dp_cec.c:133:12-13: WARNING opportunity for min()
@ 2022-06-30 10:16 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-06-30 10:16 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3221 bytes --]
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
TO: cros-kernel-buildreports(a)googlegroups.com
TO: Guenter Roeck <groeck@google.com>
tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.15
head: f6e04b3c5f0a68039f511ba8c01fec8464cb717c
commit: e88a09b41b666add3bc3ca9194a80f0b4ee8af12 [9/64] BACKPORT: drm: Rename dp/ to display/
:::::: branch date: 15 hours ago
:::::: commit date: 3 days ago
config: parisc-randconfig-c024-20220629 (https://download.01.org/0day-ci/archive/20220630/202206301811.deGu8iHT-lkp(a)intel.com/config)
compiler: hppa-linux-gcc (GCC) 11.3.0
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
cocci warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/display/drm_dp_cec.c:133:12-13: WARNING opportunity for min()
vim +133 drivers/gpu/drm/display/drm_dp_cec.c
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 117
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 118 static int drm_dp_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 119 u32 signal_free_time, struct cec_msg *msg)
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 120 {
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 121 struct drm_dp_aux *aux = cec_get_drvdata(adap);
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 122 unsigned int retries = min(5, attempts - 1);
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 123 ssize_t err;
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 124
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 125 err = drm_dp_dpcd_write(aux, DP_CEC_TX_MESSAGE_BUFFER,
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 126 msg->msg, msg->len);
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 127 if (err < 0)
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 128 return err;
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 129
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 130 err = drm_dp_dpcd_writeb(aux, DP_CEC_TX_MESSAGE_INFO,
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 131 (msg->len - 1) | (retries << 4) |
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 132 DP_CEC_TX_MESSAGE_SEND);
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 @133 return err < 0 ? err : 0;
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 134 }
2c6d1fffa1d9b0 drivers/gpu/drm/drm_dp_cec.c Hans Verkuil 2018-07-11 135
:::::: The code@line 133 was first introduced by commit
:::::: 2c6d1fffa1d9b0a5b5ac1a23be9ad64abe60910d drm: add support for DisplayPort CEC-Tunneling-over-AUX
:::::: TO: Hans Verkuil <hans.verkuil@cisco.com>
:::::: CC: Ville Syrjälä <ville.syrjala@linux.intel.com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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2022-06-30 10:16 [chrome-os:chromeos-5.15 9/64] drivers/gpu/drm/display/drm_dp_cec.c:133:12-13: WARNING opportunity for min() kernel test robot
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