[PATCH] drm/amdgpu: remove virt_init_data_exchange from poison consumption handler

[Zhang, Hawking]

[AMD Official Use Only - General]

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: Luo, Zhigang <Zhigang.Luo at amd.com>
Sent: Wednesday, April 17, 2024 15:54
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Saye, Sashank <Sashank.Saye at amd.com>; Chan, Hing Pong <Jeffrey.Chan at amd.com>; Luo, Zhigang <Zhigang.Luo at amd.com>
Subject: [PATCH] drm/amdgpu: remove virt_init_data_exchange from poison consumption handler

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

Signed-off-by: Zhigang Luo <Zhigang.Luo at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
index 89992c1c9a62..aba00d961627 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
@@ -446,8 +446,6 @@ 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);
-               if (block != AMDGPU_RAS_BLOCK__SDMA)
-                       amdgpu_virt_init_data_exchange(adev);
        }
 }

--
2.25.1