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drm/amdgpu: Reset error code for 'no handler' case

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If reset handler is not implemented, reset error before proceeding.

Fixes issue with the following trace -
[  106.508592] amdgpu 0000:b1:00.0: amdgpu: ASIC reset failed with error, -38 for drm dev, 0000:b1:00.0
[  106.508972] amdgpu 0000:b1:00.0: amdgpu: GPU reset succeeded, trying to resume
[  106.509116] [drm] PCIE GART of 512M enabled.
[  106.509120] [drm] PTB located at 0x0000008000000000
[  106.509136] [drm] VRAM is lost due to GPU reset!
[  106.509332] [drm] PSP is resuming...

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-and-tested-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2021-03-26 17:47:20 +08:00 committed by Alex Deucher
parent fe8858bb09
commit 404b277bbe
1 changed files with 8 additions and 3 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -4281,7 +4281,10 @@ int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
drm_sched_increase_karma(&job->base);
r = amdgpu_reset_prepare_hwcontext(adev, reset_context);
if (r != -ENOSYS)
/* If reset handler not implemented, continue; otherwise return */
if (r == -ENOSYS)
r = 0;
else
return r;
/* Don't suspend on bare metal if we are not going to HW reset the ASIC */
@ -4323,8 +4326,10 @@ int amdgpu_do_asic_reset(struct list_head *device_list_handle,
tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device,
reset_list);
r = amdgpu_reset_perform_reset(tmp_adev, reset_context);
if (r != -ENOSYS)
/* If reset handler not implemented, continue; otherwise return */
if (r == -ENOSYS)
r = 0;
else
return r;
/* Reset handler not implemented, use the default method */