Hi Hans, On Tue, 2016-02-23 at 09:47 +0100, Hans Verkuil wrote: > On 02/23/16 09:11, Tiffany Lin wrote: > > ============== > > Introduction > > ============== > > > > The purpose of this series is to add the driver for video codec hw embedded in the Mediatek's MT8173 SoCs. > > Mediatek Video Codec is able to handle video encoding of in a range of formats. > > > > This patch series also include VPU driver. Mediatek Video Codec driver rely on VPU driver to load, > > communicate with VPU. > > > > Internally the driver uses videobuf2 framework and MTK IOMMU and MTK SMI. > > MTK IOMMU[1] and MTK SMI[2] have not yet been merged, but we wanted to start discussion about the driver > > earlier so it could be merged sooner. > > > > [1]https://patchwork.kernel.org/patch/8335461/ > > [2]https://patchwork.kernel.org/patch/7596181/ > > <snip> > > > v4l2-compliance test output: > > localhost ~ # /usr/bin/v4l2-compliance -d /dev/video1 > > Driver Info: > > Driver name : mtk-vcodec-enc > > Card type : platform:mt8173 > > Bus info : platform:mt8173 > > Driver version: 4.4.0 > > Capabilities : 0x84204000 > > Video Memory-to-Memory Multiplanar > > Streaming > > Extended Pix Format > > Device Capabilities > > Device Caps : 0x04204000 > > Video Memory-to-Memory Multiplanar > > Streaming > > Extended Pix Format > > > > Compliance test for device /dev/video1 (not using libv4l2): > > > > Required ioctls: > > test VIDIOC_QUERYCAP: OK > > > > Allow for multiple opens: > > test second video open: OK > > test VIDIOC_QUERYCAP: OK > > test VIDIOC_G/S_PRIORITY: OK > > > > Debug ioctls: > > test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported) > > test VIDIOC_LOG_STATUS: OK (Not Supported) > > > > Input ioctls: > > test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported) > > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > > test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported) > > test VIDIOC_ENUMAUDIO: OK (Not Supported) > > test VIDIOC_G/S/ENUMINPUT: OK (Not Supported) > > test VIDIOC_G/S_AUDIO: OK (Not Supported) > > Inputs: 0 Audio Inputs: 0 Tuners: 0 > > > > Output ioctls: > > test VIDIOC_G/S_MODULATOR: OK (Not Supported) > > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > > test VIDIOC_ENUMAUDOUT: OK (Not Supported) > > test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported) > > test VIDIOC_G/S_AUDOUT: OK (Not Supported) > > Outputs: 0 Audio Outputs: 0 Modulators: 0 > > > > Input/Output configuration ioctls: > > test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported) > > test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported) > > test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported) > > test VIDIOC_G/S_EDID: OK (Not Supported) > > > > Control ioctls: > > test VIDIOC_QUERYCTRL/MENU: OK > > test VIDIOC_G/S_CTRL: OK > > test VIDIOC_G/S/TRY_EXT_CTRLS: OK > > test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK > > test VIDIOC_G/S_JPEGCOMP: OK (Not Supported) > > Standard Controls: 12 Private Controls: 0 > > > > Format ioctls: > > test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK > > test VIDIOC_G/S_PARM: OK > > test VIDIOC_G_FBUF: OK (Not Supported) > > test VIDIOC_G_FMT: OK > > test VIDIOC_TRY_FMT: OK > > test VIDIOC_S_FMT: OK > > test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported) > > > > Codec ioctls: > > test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported) > > test VIDIOC_G_ENC_INDEX: OK (Not Supported) > > test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported) > > > > Buffer ioctls: > > test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK > > test VIDIOC_EXPBUF: OK > > > > Total: 38, Succeeded: 38, Failed: 0, Warnings: 0 > > Nice! > > Can you try 'v4l2-compliance -s'? Note that this may not work since I know > that v4l2-compliance doesn't work all that well with codecs, but I am > curious what the output is when you try streaming. > > Don't bother trying to chase down reported failures, those are likely from > v4l2-compliance itself. It is something I would like to improve, but -ENOTIME. > When I try to run 'v4l2-compliance -d /dev/video1 -s, I got follow output. I use v4.4-rc5 kernel and v4l-utils 1.6 version. Streaming ioctls: test read/write: OK (Not Supported) fail: ../../../v4l-utils-1.6.0/utils/v4l2-compliance/v4l2-test-buffers.cpp(332): buf.querybuf(node, i) fail: ../../../v4l-utils-1.6.0/utils/v4l2-compliance/v4l2-test-buffers.cpp(868): testQueryBuf(node, cur_fmt.type, q.g_buffers()) test MMAP: FAIL fail: ../../../v4l-utils-1.6.0/utils/v4l2-compliance/v4l2-test-buffers.cpp(923): ret && ret != ENOTTY fail: ../../../v4l-utils-1.6.0/utils/v4l2-compliance/v4l2-test-buffers.cpp(988): setupUserPtr(node, q) test USERPTR: FAIL test DMABUF: Cannot test, specify --expbuf-device best regards, Tiffany > Regards, > > Hans -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
