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drm/amdgpu: Skip virt_exchange_init on SDMA poison consumption

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Host will initiate an FLR in SDMA poison consumption scenario.
Guest should wait for FLR message to re-init data exchange.

Signed-off-by: Victor Skvortsov <victor.skvortsov@amd.com>
Reviewed-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Victor Skvortsov
2024-03-14 17:27:46 -04:00
committed by Alex Deucher
parent dfe9c3cde2
commit 6bb89d1340
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
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@@ -444,7 +444,8 @@ static void xgpu_nv_ras_poison_handler(struct amdgpu_device *adev,
amdgpu_virt_fini_data_exchange(adev);
xgpu_nv_send_access_requests_with_param(adev,
IDH_RAS_POISON, block, 0, 0);
amdgpu_virt_init_data_exchange(adev);
if (block != AMDGPU_RAS_BLOCK__SDMA)
amdgpu_virt_init_data_exchange(adev);
}
}