[agd5f:drm-next 183/198] drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:5081: warning: expecting prototype for amdgpu_device_gpu_recover_imp(). Prototype was for amdgpu_device_gpu_recover() instead

From: kernel test robot
Date: Fri Jun 10 2022 - 19:05:06 EST

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tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head: a6eba20601a3c518f8c60af9da788f9559e0a03c
commit: cf727044144d47c3e8482b9a7775bd3f04a87341 [183/198] drm/amdgpu: Rename amdgpu_device_gpu_recover_imp back to amdgpu_device_gpu_recover
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220611/202206110628.6e8xc6Is-lkp@xxxxxxxxx/config)
compiler: arceb-elf-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
git fetch --no-tags agd5f drm-next
git checkout cf727044144d47c3e8482b9a7775bd3f04a87341
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/gpu/drm/amd/amdgpu/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:5081: warning: expecting prototype for amdgpu_device_gpu_recover_imp(). Prototype was for amdgpu_device_gpu_recover() instead

vim +5081 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

e6c6338f393b74 Jack Zhang 2021-03-08 5067
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5068 /**
c7703ce38c1ecd Andrey Grodzovsky 2022-02-11 5069 * amdgpu_device_gpu_recover_imp - reset the asic and recover scheduler
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5070 *
982a820bac1b64 Mauro Carvalho Chehab 2020-10-21 5071 * @adev: amdgpu_device pointer
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5072 * @job: which job trigger hang
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5073 *
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5074 * Attempt to reset the GPU if it has hung (all asics).
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5075 * Attempt to do soft-reset or full-reset and reinitialize Asic
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5076 * Returns 0 for success or an error on failure.
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5077 */
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5078
cf727044144d47 Andrey Grodzovsky 2022-05-17 5079 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5080 struct amdgpu_job *job)
26bc534094ed45 Andrey Grodzovsky 2018-11-22 @5081 {
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5082 struct list_head device_list, *device_list_handle = NULL;
7dd8c205eaedfa Evan Quan 2020-04-16 5083 bool job_signaled = false;
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5084 struct amdgpu_hive_info *hive = NULL;
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5085 struct amdgpu_device *tmp_adev = NULL;
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5086 int i, r = 0;
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5087 bool need_emergency_restart = false;
3f12acc8d6d4b2 Evan Quan 2020-04-21 5088 bool audio_suspended = false;
e6c6338f393b74 Jack Zhang 2021-03-08 5089 int tmp_vram_lost_counter;
04442bf70debb1 Lijo Lazar 2021-03-16 5090 struct amdgpu_reset_context reset_context;
04442bf70debb1 Lijo Lazar 2021-03-16 5091
04442bf70debb1 Lijo Lazar 2021-03-16 5092 memset(&reset_context, 0, sizeof(reset_context));
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5093
6e3cd2a9a6ac32 Mauro Carvalho Chehab 2020-10-23 5094 /*
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5095 * Special case: RAS triggered and full reset isn't supported
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5096 */
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5097 need_emergency_restart = amdgpu_ras_need_emergency_restart(adev);
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5098
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5099 /*
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5100 * Flush RAM to disk so that after reboot
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5101 * the user can read log and see why the system rebooted.
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5102 */
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5103 if (need_emergency_restart && amdgpu_ras_get_context(adev)->reboot) {
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5104 DRM_WARN("Emergency reboot.");
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5105
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5106 ksys_sync_helper();
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5107 emergency_restart();
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5108 }
d5ea093eebf022 Andrey Grodzovsky 2019-08-22 5109
b823821f2244ad Le Ma 2019-11-27 5110 dev_info(adev->dev, "GPU %s begin!\n",
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5111 need_emergency_restart ? "jobs stop":"reset");
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5112
175ac6ec6bd8db Zhigang Luo 2021-11-26 5113 if (!amdgpu_sriov_vf(adev))
d95e8e97e2d522 Dennis Li 2020-08-18 5114 hive = amdgpu_get_xgmi_hive(adev);
681260df4dad45 Andrey Grodzovsky 2021-12-15 5115 if (hive)
53b3f8f40e6cff Dennis Li 2020-08-19 5116 mutex_lock(&hive->hive_lock);
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5117
04442bf70debb1 Lijo Lazar 2021-03-16 5118 reset_context.method = AMD_RESET_METHOD_NONE;
04442bf70debb1 Lijo Lazar 2021-03-16 5119 reset_context.reset_req_dev = adev;
04442bf70debb1 Lijo Lazar 2021-03-16 5120 reset_context.job = job;
04442bf70debb1 Lijo Lazar 2021-03-16 5121 reset_context.hive = hive;
04442bf70debb1 Lijo Lazar 2021-03-16 5122 clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
04442bf70debb1 Lijo Lazar 2021-03-16 5123
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5124 /*
9e94d22c008585 Evan Quan 2020-04-16 5125 * Build list of devices to reset.
9e94d22c008585 Evan Quan 2020-04-16 5126 * In case we are in XGMI hive mode, resort the device list
9e94d22c008585 Evan Quan 2020-04-16 5127 * to put adev in the 1st position.
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5128 */
9e94d22c008585 Evan Quan 2020-04-16 5129 INIT_LIST_HEAD(&device_list);
175ac6ec6bd8db Zhigang Luo 2021-11-26 5130 if (!amdgpu_sriov_vf(adev) && (adev->gmc.xgmi.num_physical_nodes > 1)) {
655ce9cb13b596 shaoyunl 2021-03-04 5131 list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head)
655ce9cb13b596 shaoyunl 2021-03-04 5132 list_add_tail(&tmp_adev->reset_list, &device_list);
655ce9cb13b596 shaoyunl 2021-03-04 5133 if (!list_is_first(&adev->reset_list, &device_list))
655ce9cb13b596 shaoyunl 2021-03-04 5134 list_rotate_to_front(&adev->reset_list, &device_list);
655ce9cb13b596 shaoyunl 2021-03-04 5135 device_list_handle = &device_list;
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5136 } else {
655ce9cb13b596 shaoyunl 2021-03-04 5137 list_add_tail(&adev->reset_list, &device_list);
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5138 device_list_handle = &device_list;
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5139 }
26bc534094ed45 Andrey Grodzovsky 2018-11-22 5140
e923be9934a9c5 Andrey Grodzovsky 2022-01-25 5141 /* We need to lock reset domain only once both for XGMI and single device */
e923be9934a9c5 Andrey Grodzovsky 2022-01-25 5142 tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device,
e923be9934a9c5 Andrey Grodzovsky 2022-01-25 5143 reset_list);
3675c2f26f33ab Andrey Grodzovsky 2022-01-25 5144 amdgpu_device_lock_reset_domain(tmp_adev->reset_domain);
e923be9934a9c5 Andrey Grodzovsky 2022-01-25 5145
12ffa55da60f83 Andrey Grodzovsky 2019-08-30 5146 /* block all schedulers and reset given job's ring */
655ce9cb13b596 shaoyunl 2021-03-04 5147 list_for_each_entry(tmp_adev, device_list_handle, reset_list) {
f287a3c5b03f51 Andrey Grodzovsky 2021-12-16 5148
e923be9934a9c5 Andrey Grodzovsky 2022-01-25 5149 amdgpu_device_set_mp1_state(tmp_adev);
f287a3c5b03f51 Andrey Grodzovsky 2021-12-16 5150
3f12acc8d6d4b2 Evan Quan 2020-04-21 5151 /*
3f12acc8d6d4b2 Evan Quan 2020-04-21 5152 * Try to put the audio codec into suspend state
3f12acc8d6d4b2 Evan Quan 2020-04-21 5153 * before gpu reset started.
3f12acc8d6d4b2 Evan Quan 2020-04-21 5154 *
3f12acc8d6d4b2 Evan Quan 2020-04-21 5155 * Due to the power domain of the graphics device
3f12acc8d6d4b2 Evan Quan 2020-04-21 5156 * is shared with AZ power domain. Without this,
3f12acc8d6d4b2 Evan Quan 2020-04-21 5157 * we may change the audio hardware from behind
3f12acc8d6d4b2 Evan Quan 2020-04-21 5158 * the audio driver's back. That will trigger
3f12acc8d6d4b2 Evan Quan 2020-04-21 5159 * some audio codec errors.
3f12acc8d6d4b2 Evan Quan 2020-04-21 5160 */
3f12acc8d6d4b2 Evan Quan 2020-04-21 5161 if (!amdgpu_device_suspend_display_audio(tmp_adev))
3f12acc8d6d4b2 Evan Quan 2020-04-21 5162 audio_suspended = true;
3f12acc8d6d4b2 Evan Quan 2020-04-21 5163
9e94d22c008585 Evan Quan 2020-04-16 5164 amdgpu_ras_set_error_query_ready(tmp_adev, false);
9e94d22c008585 Evan Quan 2020-04-16 5165
52fb44cf30fc6b Evan Quan 2020-04-16 5166 cancel_delayed_work_sync(&tmp_adev->delayed_init_work);
52fb44cf30fc6b Evan Quan 2020-04-16 5167
c004d44e103775 Mukul Joshi 2022-03-31 5168 if (!amdgpu_sriov_vf(tmp_adev))
9e94d22c008585 Evan Quan 2020-04-16 5169 amdgpu_amdkfd_pre_reset(tmp_adev);
9e94d22c008585 Evan Quan 2020-04-16 5170
fdafb3597a2cc4 Evan Quan 2019-06-26 5171 /*
fdafb3597a2cc4 Evan Quan 2019-06-26 5172 * Mark these ASICs to be reseted as untracked first
fdafb3597a2cc4 Evan Quan 2019-06-26 5173 * And add them back after reset completed
fdafb3597a2cc4 Evan Quan 2019-06-26 5174 */
fdafb3597a2cc4 Evan Quan 2019-06-26 5175 amdgpu_unregister_gpu_instance(tmp_adev);
fdafb3597a2cc4 Evan Quan 2019-06-26 5176
087451f372bf76 Evan Quan 2021-10-19 5177 drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, true);
565d1941557756 Evan Quan 2020-03-11 5178
f1c1314be42971 xinhui pan 2019-07-04 5179 /* disable ras on ALL IPs */
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5180 if (!need_emergency_restart &&
b823821f2244ad Le Ma 2019-11-27 5181 amdgpu_device_ip_need_full_reset(tmp_adev))
f1c1314be42971 xinhui pan 2019-07-04 5182 amdgpu_ras_suspend(tmp_adev);
f1c1314be42971 xinhui pan 2019-07-04 5183
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5184 for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5185 struct amdgpu_ring *ring = tmp_adev->rings[i];
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5186
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5187 if (!ring || !ring->sched.thread)
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5188 continue;
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5189
0b2d2c2eecf27f Andrey Grodzovsky 2019-08-27 5190 drm_sched_stop(&ring->sched, job ? &job->base : NULL);
7c6e68c777f109 Andrey Grodzovsky 2019-09-13 5191
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5192 if (need_emergency_restart)
7c6e68c777f109 Andrey Grodzovsky 2019-09-13 5193 amdgpu_job_stop_all_jobs_on_sched(&ring->sched);
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5194 }
8f8c80f4300967 Jingwen Chen 2021-02-25 5195 atomic_inc(&tmp_adev->gpu_reset_counter);
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5196 }
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5197
bb5c7235eaafb4 Wenhui Sheng 2020-07-13 5198 if (need_emergency_restart)
7c6e68c777f109 Andrey Grodzovsky 2019-09-13 5199 goto skip_sched_resume;
7c6e68c777f109 Andrey Grodzovsky 2019-09-13 5200
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5201 /*
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5202 * Must check guilty signal here since after this point all old
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5203 * HW fences are force signaled.
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5204 *
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5205 * job->base holds a reference to parent fence
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5206 */
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5207 if (job && job->base.s_fence->parent &&
7dd8c205eaedfa Evan Quan 2020-04-16 5208 dma_fence_is_signaled(job->base.s_fence->parent)) {
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5209 job_signaled = true;
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5210 dev_info(adev->dev, "Guilty job already signaled, skipping HW reset");
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5211 goto skip_hw_reset;
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5212 }
1d721ed679db18 Andrey Grodzovsky 2019-04-18 5213

:::::: The code at line 5081 was first introduced by commit
:::::: 26bc534094ed45fdedef6b4ce8b96030340c5ce7 drm/amdgpu: Refactor GPU reset for XGMI hive case

:::::: TO: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
:::::: CC: Alex Deucher <alexander.deucher@xxxxxxx>

--
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