The patch below does not apply to the 4.9-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 54971406b7731efd5dbe0b1ccc42dfbd8af1f3b2 Mon Sep 17 00:00:00 2001 From: Rex Zhu <Rex.Zhu@xxxxxxx> Date: Wed, 7 Dec 2016 16:06:38 +0800 Subject: [PATCH] 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@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx 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: -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html