From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 7 Dec 2016 08:06:38 +0000 (+0800)
Subject: drm/amdgpu: disable uvd pg on Tonga.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=54971406b7731efd5dbe0b1ccc42dfbd8af1f3b2;p=linux-beck.git

drm/amdgpu: disable uvd pg on Tonga.

it does not work with GPU pass through if the VM
is not cleanly shutdown leading to a hang when the
modules is reloaded.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---

diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 9f771f4ffcb7..6d49254636b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -933,7 +933,7 @@ static int vi_common_early_init(void *handle)
 		break;
 	case CHIP_TONGA:
 		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG;
-		adev->pg_flags = AMD_PG_SUPPORT_UVD;
+		adev->pg_flags = 0;
 		adev->external_rev_id = adev->rev_id + 0x14;
 		break;
 	case CHIP_POLARIS11: