From: Xiangliang Yu <Xiangliang.Yu@amd.com>
Date: Wed, 18 Jan 2017 04:47:55 +0000 (+0800)
Subject: drm/amdgpu: fix reboot failure issue for virtualization
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e941ea997d3388dd6d6a8712453c13caacc7a966;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

drm/amdgpu: fix reboot failure issue for virtualization

Reboot process will call HW fini functions of IP blocks. For virt,
need to send event three before hw fini and send event four after
hw fini.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index b408a54638a4..786c3c3bb48d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1565,6 +1565,9 @@ int amdgpu_suspend(struct amdgpu_device *adev)
 {
 	int i, r;
 
+	if (amdgpu_sriov_vf(adev))
+		amdgpu_virt_request_full_gpu(adev, false);
+
 	/* ungate SMC block first */
 	r = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC,
 					 AMD_CG_STATE_UNGATE);
@@ -1593,6 +1596,9 @@ int amdgpu_suspend(struct amdgpu_device *adev)
 		}
 	}
 
+	if (amdgpu_sriov_vf(adev))
+		amdgpu_virt_release_full_gpu(adev, false);
+
 	return 0;
 }