From: John Clements <john.clements@amd.com>
Date: Wed, 8 Jan 2020 08:36:14 +0000 (+0800)
Subject: drm/amdgpu: disable XGMI TA unload for arcturus
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9c8c81fe7d2c6ef732b50d456a627fdf4383c1d5;p=linux.git

drm/amdgpu: disable XGMI TA unload for arcturus

in event of GPU reset, XGMI TA unload causes unrecoverable GPU hang

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 281d896403445..3a1570dafe348 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -529,6 +529,11 @@ static int psp_xgmi_unload(struct psp_context *psp)
 {
 	int ret;
 	struct psp_gfx_cmd_resp *cmd;
+	struct amdgpu_device *adev = psp->adev;
+
+	/* XGMI TA unload currently is not supported on Arcturus */
+	if (adev->asic_type == CHIP_ARCTURUS)
+		return 0;
 
 	/*
 	 * TODO: bypass the unloading in sriov for now