Please check on lines 150-153. Both branches appear to be the same.

thanks, julia

-------- Courriel original -------- Objet: [radeon-alex:drm-next-4.19-wip 126/132] drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c:150:1-3: WARNING: possible condition with no effect (if == else) Date: 04.07.2018 15:10 De: kbuild test robot lkp@intel.com À: kbuild@01.org Cc: Julia Lawall julia.lawall@lip6.fr

CC: kbuild-all@01.org CC: dri-devel@lists.freedesktop.org TO: Alex Deucher alexander.deucher@amd.com CC: Chunming Zhou david1.zhou@amd.com CC: "Christian König" christian.koenig@amd.com

tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.19-wip head: 6becad35ec8a249df9f8e8fe196316efbd40faf4 commit: 40b106f7e840f2434c42e8992b3a4871a19ddf1d [126/132] drm/amdgpu: switch firmware path for CIK parts :::::: branch date: 6 hours ago :::::: commit date: 6 hours ago

...

drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c:150:1-3: WARNING: possible condition with no effect (if == else)

git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git git remote update radeon-alex git checkout 40b106f7e840f2434c42e8992b3a4871a19ddf1d vim +150 drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c

a2e73f56 Alex Deucher 2015-04-20 115 a2e73f56 Alex Deucher 2015-04-20 116 /** a2e73f56 Alex Deucher 2015-04-20 117 * gmc_v7_0_init_microcode - load ucode images from disk a2e73f56 Alex Deucher 2015-04-20 118 * a2e73f56 Alex Deucher 2015-04-20 119 * @adev: amdgpu_device pointer a2e73f56 Alex Deucher 2015-04-20 120 * a2e73f56 Alex Deucher 2015-04-20 121 * Use the firmware interface to load the ucode images into a2e73f56 Alex Deucher 2015-04-20 122 * the driver (not loaded into hw). a2e73f56 Alex Deucher 2015-04-20 123 * Returns 0 on success, error on failure. a2e73f56 Alex Deucher 2015-04-20 124 */ a2e73f56 Alex Deucher 2015-04-20 125 static int gmc_v7_0_init_microcode(struct amdgpu_device *adev) a2e73f56 Alex Deucher 2015-04-20 126 { a2e73f56 Alex Deucher 2015-04-20 127 const char *chip_name; a2e73f56 Alex Deucher 2015-04-20 128 char fw_name[30]; a2e73f56 Alex Deucher 2015-04-20 129 int err; a2e73f56 Alex Deucher 2015-04-20 130 a2e73f56 Alex Deucher 2015-04-20 131 DRM_DEBUG("\n"); a2e73f56 Alex Deucher 2015-04-20 132 a2e73f56 Alex Deucher 2015-04-20 133 switch (adev->asic_type) { a2e73f56 Alex Deucher 2015-04-20 134 case CHIP_BONAIRE: a2e73f56 Alex Deucher 2015-04-20 135 chip_name = "bonaire"; a2e73f56 Alex Deucher 2015-04-20 136 break; a2e73f56 Alex Deucher 2015-04-20 137 case CHIP_HAWAII: a2e73f56 Alex Deucher 2015-04-20 138 chip_name = "hawaii"; a2e73f56 Alex Deucher 2015-04-20 139 break; 429c45de Ken Wang 2016-02-03 140 case CHIP_TOPAZ: 429c45de Ken Wang 2016-02-03 141 chip_name = "topaz"; 429c45de Ken Wang 2016-02-03 142 break; a2e73f56 Alex Deucher 2015-04-20 143 case CHIP_KAVERI: a2e73f56 Alex Deucher 2015-04-20 144 case CHIP_KABINI: b62774fc Alex Deucher 2016-07-29 145 case CHIP_MULLINS: a2e73f56 Alex Deucher 2015-04-20 146 return 0; a2e73f56 Alex Deucher 2015-04-20 147 default: BUG(); a2e73f56 Alex Deucher 2015-04-20 148 } a2e73f56 Alex Deucher 2015-04-20 149 429c45de Ken Wang 2016-02-03 @150 if (adev->asic_type == CHIP_TOPAZ) 429c45de Ken Wang 2016-02-03 151 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); 429c45de Ken Wang 2016-02-03 152 else 40b106f7 Alex Deucher 2018-07-02 153 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); 429c45de Ken Wang 2016-02-03 154 770d13b1 Christian König 2018-01-12 155 err = request_firmware(&adev->gmc.fw, fw_name, adev->dev); a2e73f56 Alex Deucher 2015-04-20 156 if (err) a2e73f56 Alex Deucher 2015-04-20 157 goto out; 770d13b1 Christian König 2018-01-12 158 err = amdgpu_ucode_validate(adev->gmc.fw); a2e73f56 Alex Deucher 2015-04-20 159 a2e73f56 Alex Deucher 2015-04-20 160 out: a2e73f56 Alex Deucher 2015-04-20 161 if (err) { 7ca85295 Joe Perches 2017-02-28 162 pr_err("cik_mc: Failed to load firmware "%s"\n", fw_name); 770d13b1 Christian König 2018-01-12 163 release_firmware(adev->gmc.fw); 770d13b1 Christian König 2018-01-12 164 adev->gmc.fw = NULL; a2e73f56 Alex Deucher 2015-04-20 165 } a2e73f56 Alex Deucher 2015-04-20 166 return err; a2e73f56 Alex Deucher 2015-04-20 167 } a2e73f56 Alex Deucher 2015-04-20 168

:::::: The code at line 150 was first introduced by commit :::::: 429c45deae6e57f1bb91bfb05b671063fb0cef60 drm/amdgpu: iceland use CI based MC IP

:::::: TO: Ken Wang Qingqing.Wang@amd.com :::::: CC: Alex Deucher alexander.deucher@amd.com

--- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation