From 6bb89d1340425ff030b7bdb0eec53ca6d12d1313 Mon Sep 17 00:00:00 2001 From: Victor Skvortsov Date: Thu, 14 Mar 2024 17:27:46 -0400 Subject: [PATCH] drm/amdgpu: Skip virt_exchange_init on SDMA poison consumption 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 Reviewed-by: Zhigang Luo Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c index 77f5b55decf96..a1bad772d932e 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c @@ -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); } } -- 2.30.2