----- Original Message -----
> From: "Yuri Benditovich" <yuri.benditovich@xxxxxxxxxx>
> To: spice-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: yan@xxxxxxxxxx
> Sent: Thursday, February 28, 2019 9:42:17 AM
> Subject: [PATCH] qxl-wddm-dod: prevent failure of power on transition
>
> On return from S3 the driver may receive failure when
> calls DxgkCbAcquirePostDisplayOwnership. In general the
> driver is not expected to use this method when returns
> from S3 but it is not simple to distinguish between S3
> and S4 power transition (possible, due to hybrid sleep).
> Current commit avoids returning error on power transition
> and obtains best known default video mode info instead.
>
> Signed-off-by: Yuri Benditovich <yuri.benditovich@xxxxxxxxxx>
Acked-by: Marek Kedzierski <mkedzier@xxxxxxxxxx>
> ---
> qxldod/QxlDod.cpp | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/qxldod/QxlDod.cpp b/qxldod/QxlDod.cpp
> index 525cdc3..95c0e97 100755
> --- a/qxldod/QxlDod.cpp
> +++ b/qxldod/QxlDod.cpp
> @@ -5211,9 +5211,10 @@ NTSTATUS
> HwDeviceInterface::AcquireDisplayInfo(DXGK_DISPLAY_INFORMATION& DispInf
>
> if (!NT_SUCCESS(Status))
> {
> - DbgPrint(TRACE_LEVEL_ERROR, ("QxlDod::AcquireDisplayInfo failed with
> status 0x%X Width = %d\n",
> + DbgPrint(TRACE_LEVEL_WARNING, ("QxlDod::AcquireDisplayInfo failed
> with status 0x%X Width = %d\n",
> Status, DispInfo.Width));
> - return STATUS_UNSUCCESSFUL;
> + DispInfo.Width = 0;
> + Status = STATUS_SUCCESS;
> }
>
> if (DispInfo.Width == 0)
> --
> 2.16.1.windows.4
>
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