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From:   Tim Harvey <tharvey@gateworks.com>
Date:   Wed, 7 Feb 2018 14:05:24 -0800
Message-ID: <CAJ+vNU014FJZsb44YnidE3fFiqeB6o8A7kvGinJWu7=yq3_dhA@mail.gmail.com>
Subject: Re: [PATCH v8 0/7] TDA1997x HDMI video reciver
To:     Hans Verkuil <hverkuil@xs4all.nl>
Cc:     linux-media <linux-media@vger.kernel.org>,
        alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>,
        Steve Longerbeam <slongerbeam@gmail.com>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Hans Verkuil <hansverk@cisco.com>,
        Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Sender: linux-kernel-owner@vger.kernel.org
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On Wed, Feb 7, 2018 at 1:09 AM, Hans Verkuil <hverkuil@xs4all.nl> wrote:
> On 02/07/18 09:22, Hans Verkuil wrote:
>> On 02/07/2018 12:29 AM, Tim Harvey wrote:
>>> Media Controller ioctls:
>>>                 fail: v4l2-test-media.cpp(141): ent.function ==
>>> MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN
>>
>> Weird, this shouldn't happen. I'll look into this a bit more.
>
> Can you run 'mc_nextgen_test -e -i' and post the output?
>
> It's found in contrib/test.
>

root@ventana:~# ./v4l-utils/contrib/test/mc_nextgen_test -e -i
Device: imx-media (driver imx-media)
Bus:
version: 0
number of entities: 24
number of interfaces: 24
number of pads: 48
number of links: 50
entity entity#1: 'unknown entity type' adv7180 2-0020, 1 pad(s), 1 source(s)
entity entity#3: 'unknown entity type' tda19971 2-0048, 1 pad(s), 1 source(s)
entity entity#5: 'unknown entity type' ipu1_vdic, 3 pad(s), 2 sink(s),
1 source(s)
entity entity#9: 'unknown entity type' ipu2_vdic, 3 pad(s), 2 sink(s),
1 source(s)
entity entity#13: 'unknown entity type' ipu1_ic_prp, 3 pad(s), 1
sink(s), 2 source(s)
entity entity#17: 'unknown entity type' ipu1_ic_prpenc, 2 pad(s), 1
sink(s), 1 source(s)
entity entity#20: 'V4L I/O' ipu1_ic_prpenc capture, 1 pad(s), 1 sink(s)
entity entity#26: 'unknown entity type' ipu1_ic_prpvf, 2 pad(s), 1
sink(s), 1 source(s)
entity entity#29: 'V4L I/O' ipu1_ic_prpvf capture, 1 pad(s), 1 sink(s)
entity entity#35: 'unknown entity type' ipu2_ic_prp, 3 pad(s), 1
sink(s), 2 source(s)
entity entity#39: 'unknown entity type' ipu2_ic_prpenc, 2 pad(s), 1
sink(s), 1 source(s)
entity entity#42: 'V4L I/O' ipu2_ic_prpenc capture, 1 pad(s), 1 sink(s)
entity entity#48: 'unknown entity type' ipu2_ic_prpvf, 2 pad(s), 1
sink(s), 1 source(s)
entity entity#51: 'V4L I/O' ipu2_ic_prpvf capture, 1 pad(s), 1 sink(s)
entity entity#57: 'unknown entity type' ipu1_csi0, 3 pad(s), 1
sink(s), 2 source(s)
entity entity#61: 'V4L I/O' ipu1_csi0 capture, 1 pad(s), 1 sink(s)
entity entity#67: 'unknown entity type' ipu1_csi1, 3 pad(s), 1
sink(s), 2 source(s)
entity entity#71: 'V4L I/O' ipu1_csi1 capture, 1 pad(s), 1 sink(s)
entity entity#77: 'unknown entity type' ipu2_csi0, 3 pad(s), 1
sink(s), 2 source(s)
entity entity#81: 'V4L I/O' ipu2_csi0 capture, 1 pad(s), 1 sink(s)
entity entity#87: 'unknown entity type' ipu2_csi1, 3 pad(s), 1
sink(s), 2 source(s)
entity entity#91: 'V4L I/O' ipu2_csi1 capture, 1 pad(s), 1 sink(s)
entity entity#97: 'unknown entity type' ipu1_csi0_mux, 3 pad(s), 2
sink(s), 1 source(s)
entity entity#101: 'unknown entity type' ipu2_csi1_mux, 3 pad(s), 2
sink(s), 1 source(s)
interface intf_devnode#21: video /dev/video0
interface intf_devnode#30: video /dev/video1
interface intf_devnode#43: video /dev/video2
interface intf_devnode#52: video /dev/video3
interface intf_devnode#62: video /dev/video4
interface intf_devnode#72: video /dev/video5
interface intf_devnode#82: video /dev/video6
interface intf_devnode#92: video /dev/video7
interface intf_devnode#141: v4l2-subdev /dev/v4l-subdev0
interface intf_devnode#143: v4l2-subdev /dev/v4l-subdev1
interface intf_devnode#145: v4l2-subdev /dev/v4l-subdev2
interface intf_devnode#147: v4l2-subdev /dev/v4l-subdev3
interface intf_devnode#149: v4l2-subdev /dev/v4l-subdev4
interface intf_devnode#151: v4l2-subdev /dev/v4l-subdev5
interface intf_devnode#153: v4l2-subdev /dev/v4l-subdev6
interface intf_devnode#155: v4l2-subdev /dev/v4l-subdev7
interface intf_devnode#157: v4l2-subdev /dev/v4l-subdev8
interface intf_devnode#159: v4l2-subdev /dev/v4l-subdev9
interface intf_devnode#161: v4l2-subdev /dev/v4l-subdev10
interface intf_devnode#163: v4l2-subdev /dev/v4l-subdev11
interface intf_devnode#165: v4l2-subdev /dev/v4l-subdev12
interface intf_devnode#167: v4l2-subdev /dev/v4l-subdev13
interface intf_devnode#169: v4l2-subdev /dev/v4l-subdev14
interface intf_devnode#171: v4l2-subdev /dev/v4l-subdev15

I updated v4l2-compliance and ran again:
root@ventana:~# v4l2-compliance -m0 -M
v4l2-compliance SHA   : b2f8f9049056eb6f9e028927dacb2c715a062df8
Media Driver Info:
        Driver name      : imx-media
        Model            : imx-media
        Serial           :
        Bus info         :
        Media version    : 4.15.0
        Hardware revision: 0x00000000 (0)
        Driver version   : 4.15.0

Compliance test for device /dev/media0:

Required ioctls:
        test MEDIA_IOC_DEVICE_INFO: OK

Allow for multiple opens:
        test second /dev/media0 open: OK
        test MEDIA_IOC_DEVICE_INFO: OK
        test for unlimited opens: OK

Media Controller ioctls:
                fail: v4l2-test-media.cpp(94): function ==
MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN
                fail: v4l2-test-media.cpp(156):
checkFunction(ent.function, true)
        test MEDIA_IOC_G_TOPOLOGY: FAIL
                fail: v4l2-test-media.cpp(275): num_data_links != num_links
        test MEDIA_IOC_ENUM_ENTITIES/LINKS: FAIL
        test MEDIA_IOC_SETUP_LINK: OK

Total: 7, Succeeded: 5, Failed: 2, Warnings: 0

Regards,

Tim