From: Xiangliang Yu <Xiangliang.Yu@amd.com>
Date: Thu, 4 May 2017 03:05:13 +0000 (+0800)
Subject: drm/amdgpu/psp: Do not load asd for SRIOV
X-Git-Tag: Ubuntu-5.2.0-15.16~6468^2~20^2~297
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=943cafb825736fdbc7e9c7a8eb1cf92a0772e7e7;p=mirror_ubuntu-eoan-kernel.git

drm/amdgpu/psp: Do not load asd for SRIOV

If psp version doesn't match asd version, asd loading will be
failed. Add workaround to bypass it for sriov.

Signed-off-by: Daniel Wang <Daniel.Wang2@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Monk Liu <Monk.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 ac5e92e5d59d..5041073cc9dc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -230,6 +230,13 @@ static int psp_asd_load(struct psp_context *psp)
 	int ret;
 	struct psp_gfx_cmd_resp *cmd;
 
+	/* If PSP version doesn't match ASD version, asd loading will be failed.
+	 * add workaround to bypass it for sriov now.
+	 * TODO: add version check to make it common
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
 	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
 	if (!cmd)
 		return -ENOMEM;