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[AMD Public Use] 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@xxxxxxx --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 319d69646a13..a501d1a4d000 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -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 */ -- 2.17.1 |
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