From: Zhigang Luo <zhigang.luo@amd.com>
Date: Mon, 6 Dec 2021 19:52:00 +0000 (-0500)
Subject: drm/amdgpu: added PSP XGMI initialization for SRIOV VF during recover
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=dd26e018aaa408faaf16168cbc7e83c2b159ae63;p=linux.git

drm/amdgpu: added PSP XGMI initialization for SRIOV VF during recover

For SRIOV VF, XGMI was not initialized in PSP during recover. This change
added PSP XGMI initialization for SRIOV VF during recover.

Signed-off-by: Zhigang Luo <zhigang.luo@amd.com>
Reviewed-by: Shaoyun Liu <shaoyun.liu@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 b48d68d30d801..103bcadbc8b86 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -2452,6 +2452,18 @@ skip_memalloc:
 		return ret;
 	}
 
+	if (amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev)) {
+		if (adev->gmc.xgmi.num_physical_nodes > 1) {
+			ret = psp_xgmi_initialize(psp, false, true);
+			/* Warning the XGMI seesion initialize failure
+			* Instead of stop driver initialization
+			*/
+			if (ret)
+				dev_err(psp->adev->dev,
+					"XGMI: Failed to initialize XGMI session\n");
+		}
+	}
+
 	if (psp->ta_fw) {
 		ret = psp_ras_initialize(psp);
 		if (ret)