Vpp Init Failure when transforming YV12 to NV12

Hello,

I've been working with MSDK for video transcoding. After I updated my hardware and drivers,  i found vpp refused to work.

MFX Session query result:  MFX_IMPL_VIA_D3D11 | MFX_IMPL_HARDWARE2

VPP Init return code: -15

hardware info:       

   Version Target  Supported       Dec     Enc

        1.0     HW      Yes             X       X       [Adapter 1]

        1.0     SW      Yes             X       X

        1.1     HW      Yes             X       X       [Adapter 1]

        1.1     SW      Yes             X       X

        1.3     HW      Yes             X       X       [Adapter 1]

        1.3     SW      Yes             X       X

        1.4     HW      Yes             X       X       [Adapter 1]

        1.4     SW      Yes             X       X

        1.5     HW      Yes             X       X       [Adapter 1]

        1.5     SW      Yes             X       X

        1.6     HW      Yes             X       X       [Adapter 1]

        1.6     SW      Yes             X       X

        1.7     HW      Yes             X       X       [Adapter 1]

        1.7     SW      Yes             X       X

        1.8     HW      Yes             X       X       [Adapter 1]

        1.8     SW      Yes             X       X

Graphics Devices:

        Name                                                      Version             State

        Intel(R) HD Graphics P4600/P4700             10.18.10.3496       08

        Microsoft Basic Display Adapter (Low Resolution)6.3.9600.16384      Active

System info:

        CPU:    Intel(R) Xeon(R) CPU E3-1245 v3 @ 3.40GHz

        OS:     Microsoft Windows 8.1 Pro

        Arch:   64-bit

my code:

    mVppParams.IOPattern                    = MFX_IOPATTERN_IN_SYSTEM_MEMORY | MFX_IOPATTERN_OUT_SYSTEM_MEMORY;

    mVppParams.vpp.In.FourCC                =  MFX_FOURCC_YV12;

    mVppParams.vpp.In.Width                 = BYTE_ALIGN16(1920);

    if (MFX_PICSTRUCT_PROGRESSIVE == mVppParams.vpp.In.PicStruct) {

        mVppParams.vpp.In.Height            = BYTE_ALIGN16(1080);

    } else {

        mVppParams.vpp.In.Height            = BYTE_ALIGN32(1080);

    }

    mVppParams.vpp.In.CropX                 = 0;

    mVppParams.vpp.In.CropY                 = 0;

    mVppParams.vpp.In.CropW                 = 1920;

    mVppParams.vpp.In.CropH                 = 1080;

    IM_convertFrameRate(29.97, &mVppParams.vpp.In.FrameRateExtN, &mVppParams.vpp.In.FrameRateExtD);

    mVppParams.vpp.In.ChromaFormat          = MFX_CHROMAFORMAT_MONOCHROME;

    mVppParams.vpp.In.PicStruct             = MFX_PICSTRUCT_PROGRESSIVE;

    mVppParams.vpp.Out.ChromaFormat         = MFX_CHROMAFORMAT_YUV420;

    mVppParams.vpp.Out.PicStruct            = MFX_PICSTRUCT_PROGRESSIVE;

    mVppParams.vpp.Out.FourCC               = MFX_FOURCC_NV12;

    mVppParams.vpp.Out.Width                = BYTE_ALIGN16(1920);

    if (MFX_PICSTRUCT_PROGRESSIVE == mVppParams.vpp.Out.PicStruct) {

        mVppParams.vpp.Out.Height           = BYTE_ALIGN16(1080);

    } else {

        mVppParams.vpp.Out.Height           = BYTE_ALIGN32(1080);

    }

    mVppParams.vpp.Out.CropX                = 0;

    mVppParams.vpp.Out.CropY                = 0;

    mVppParams.vpp.Out.CropW                = 1920;

    mVppParams.vpp.Out.CropH                = 1080;

    IM_convertFrameRate(29.97, &mVppParams.vpp.Out.FrameRateExtN, &mVppParams.vpp.Out.FrameRateExtD);

I'm really confused about this, is there any thing I can do to make it right?

Thanks