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drm/amdgpu: let mode2 reset fallback to default when failure

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- introduce AMDGPU_SKIP_MODE2_RESET flag
- let mode2 reset fallback to default reset method if failed

v2: move this part out from the asic specific part

Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Victor Zhao 2022-07-28 10:39:23 +08:00 committed by Alex Deucher
parent 672c0218e3
commit dac6b80818
9 changed files with 19 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
View file

@ -135,6 +135,7 @@ static void amdgpu_amdkfd_reset_work(struct work_struct *work)
reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
clear_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context.flags);
amdgpu_device_gpu_recover(adev, NULL, &reset_context);
}

7
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -5148,6 +5148,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
reset_context->job = job;
reset_context->hive = hive;
/*
* Build list of devices to reset.
* In case we are in XGMI hive mode, resort the device list
@ -5267,8 +5268,11 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
amdgpu_ras_resume(adev);
} else {
r = amdgpu_do_asic_reset(device_list_handle, reset_context);
if (r && r == -EAGAIN)
if (r && r == -EAGAIN) {
set_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context->flags);
adev->asic_reset_res = 0;
goto retry;
}
}
skip_hw_reset:
@ -5699,6 +5703,7 @@ pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev)
reset_context.reset_req_dev = adev;
set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
set_bit(AMDGPU_SKIP_HW_RESET, &reset_context.flags);
set_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context.flags);
adev->no_hw_access = true;
r = amdgpu_device_pre_asic_reset(adev, &reset_context);

1
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
View file

@ -71,6 +71,7 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job)
reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
clear_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context.flags);
r = amdgpu_device_gpu_recover(ring->adev, job, &reset_context);
if (r)

1
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
View file

@ -1949,6 +1949,7 @@ static void amdgpu_ras_do_recovery(struct work_struct *work)
reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
clear_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context.flags);
amdgpu_device_gpu_recover(ras->adev, NULL, &reset_context);
}

6
drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
View file

@ -74,6 +74,9 @@ int amdgpu_reset_prepare_hwcontext(struct amdgpu_device *adev,
{
struct amdgpu_reset_handler *reset_handler = NULL;
if (test_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context->flags))
return -ENOSYS;
if (adev->reset_cntl && adev->reset_cntl->get_reset_handler)
reset_handler = adev->reset_cntl->get_reset_handler(
adev->reset_cntl, reset_context);
@ -90,6 +93,9 @@ int amdgpu_reset_perform_reset(struct amdgpu_device *adev,
int ret;
struct amdgpu_reset_handler *reset_handler = NULL;
if (test_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context->flags))
return -ENOSYS;
if (adev->reset_cntl)
reset_handler = adev->reset_cntl->get_reset_handler(
adev->reset_cntl, reset_context);

1
drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
View file

@ -30,6 +30,7 @@ enum AMDGPU_RESET_FLAGS {
AMDGPU_NEED_FULL_RESET = 0,
AMDGPU_SKIP_HW_RESET = 1,
AMDGPU_SKIP_MODE2_RESET = 2,
};
struct amdgpu_reset_context {

1
drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
View file

@ -290,6 +290,7 @@ static void xgpu_ai_mailbox_flr_work(struct work_struct *work)
reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
clear_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context.flags);
amdgpu_device_gpu_recover(adev, NULL, &reset_context);
}

1
drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
View file

@ -317,6 +317,7 @@ static void xgpu_nv_mailbox_flr_work(struct work_struct *work)
reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
clear_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context.flags);
amdgpu_device_gpu_recover(adev, NULL, &reset_context);
}

1
drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
View file

@ -529,6 +529,7 @@ static void xgpu_vi_mailbox_flr_work(struct work_struct *work)
reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
clear_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context.flags);
amdgpu_device_gpu_recover(adev, NULL, &reset_context);
}