From: pding <Pixel.Ding@amd.com>
Date: Mon, 30 Oct 2017 05:51:54 +0000 (+0800)
Subject: drm/amdgpu: return error when sriov access requests get timeout
X-Git-Tag: v4.19~1610^2~33^2~215
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f47110330c98e4d09dc45286942765f4181a0fb1;p=platform%2Fkernel%2Flinux-rpi3.git

drm/amdgpu: return error when sriov access requests get timeout

Reported-by: Sun Gary <Gary.Sun@amd.com>
Signed-off-by: pding <Pixel.Ding@amd.com>
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
index 818ec0f..2b435c0 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
@@ -446,8 +446,10 @@ static int xgpu_vi_send_access_requests(struct amdgpu_device *adev,
 		request == IDH_REQ_GPU_FINI_ACCESS ||
 		request == IDH_REQ_GPU_RESET_ACCESS) {
 		r = xgpu_vi_poll_msg(adev, IDH_READY_TO_ACCESS_GPU);
-		if (r)
-			pr_err("Doesn't get ack from pf, continue\n");
+		if (r) {
+			pr_err("Doesn't get ack from pf, give up\n");
+			return r;
+		}
 	}
 
 	return 0;