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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: chipsnmedia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SL2P216MB1246.KORP216.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: 05620317-c8e0-42f7-7d31-08de0ba95971 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Oct 2025 05:11:51.1122 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4d70c8e9-142b-4389-b7f2-fa8a3c68c467 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Uol+lZoIQlzkMTVfYib/RF32aXPllGq47TdTQ9vwd03r4Aqp4DfTzPJ7bcrY3NcILUtXjaOvcvMNm7Rk6Y+Ux7IFtexIw3/7kZStFEhWLi4= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SE1P216MB1911 Hi, Marek. Thanks for your interest and testing. >-----Original Message----- >From: Marek Vasut >Sent: Saturday, October 11, 2025 7:56 PM >To: Ming Qian ; Nicolas Dufresne = ; >Nas Chung ; mchehab@kernel.org; >hverkuil@xs4all.nl; sebastian.fricke@collabora.com; robh@kernel.org; >krzk+dt@kernel.org; conor+dt@kernel.org >Cc: linux-media@vger.kernel.org; devicetree@vger.kernel.org; linux- >kernel@vger.kernel.org; dl-linux-imx ; jackson.lee >; lafley.kim >Subject: Re: [EXT] Re: [PATCH v2 0/8] Add support for Wave6 video codec >driver > >On 9/5/25 3:22 AM, Ming Qian wrote: > >Hello everyone, > >>>>> Le mercredi 03 septembre 2025 =E0 23:47 +0200, Marek Vasut a =E9crit= =A0: >>>>>> On 4/22/25 11:31 AM, Nas Chung wrote: >>>>>>> This patch series introduces support for the Chips&Media Wave6 >>>>>>> video codec IP, a completely different hardware architecture >compared >>> to Wave5. >>>>>>> >>>>>>> The wave6 driver is a M2M stateful encoder/decoder driver. >>>>>>> It supports various video formats, including H.264 and H.265, >>>>>>> for both encoding and decoding. >>>>>>> While other versions of the Wave6 IP may support VP9 decoding >>>>>>> and >>>>>>> AV1 decoding and encoding those formats are not implemented or >>>>>>> validated in this driver at this time. >>>>>>> >>>>>>> On NXP i.MX SoCs, the Wave6 IP functionality is split between two >>> regions: >>>>>>> VPU Control region, Manages shared resources such as firmware >>> memory. >>>>>>> VPU Core region, Provides encoding and decoding capabilities. >>>>>>> The VPU core cannot operate independently without the VPU control >>> region. >>>>>>> >>>>>>> This driver has been tested with GStreamer on: >>>>>>> - NXP i.MX95 board >>>>>>> - pre-silicon FPGA environment >>>>>>> >>>>>>> Test results for decoder fluster: >>>>>>> - JVT-AVC_V1, Ran 77/135 tests successfully=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0 in >>>>>>> 35.519 secs >>>>>>> - JVT-FR-EXT, Ran 25/69 tests successfully=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0 in >>>>>>> 17.725 secs >>>>>>> - JCT-VC-HEVC_V1, Ran 132/147 tests successfully=A0=A0=A0=A0=A0=A0= =A0=A0 in >>>>>>> 81.549 secs >>>>>>> - All failures are due to unsupported hardware features: >>>>>>> -- 10bit, Resolutions higher than 4K, FMO, MBAFF >>>>>>> -- Extended profile, Field encoding and High422 sreams. >>>>>>> >>>>>>> Test results for v4l2-compliance: >>>>>>> v4l2-compliance 1.29.0-5359, 64 bits, 64-bit time_t >>>>>>> v4l2-compliance SHA: 2a91a869eb8a 2025-04-12 11:35:53 >>>>>>> >>>>>>> Compliance test for wave6-dec device /dev/video0: >>>>>>> =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 fail: >>>>>>> ../utils/v4l2-compliance/v4l2-test-controls.cpp(1180): >>>>>>> !have_source_change || !have_eos >>>>>>> =A0=A0=A0=A0=A0=A0=A0=A0=A0 test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVEN= T: FAIL Total >>>>>>> for wave6-dec device /dev/video0: 48, Succeeded: 47, Failed: 1, >>>>>>> Warnings: 0 >>>>>>> >>>>>>> Compliance test for wave6-enc device /dev/video1: >>>>>>> =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 fail: >>>>>>> ../utils/v4l2-compliance/v4l2-test-controls.cpp(1169): >>>>>>> node->codec_mask & STATEFUL_ENCODER >>>>>>> =A0=A0=A0=A0=A0=A0=A0=A0=A0 test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVEN= T: FAIL Total >>>>>>> for wave6-enc device /dev/video1: 48, Succeeded: 47, Failed: 1, >>>>>>> Warnings: 0 >>>>>>> >>>>>>> Note: the failures are all related with the eos event. >>>>>> >>>>>> For what its worth, the whole series: >>>>>> >>>>>> Tested-by: Marek Vasut # NXP i.MX95 rev. >>>>>> A0 >>>>> >>>>> Do you mind sharing what tests you have done ? Are you confirming >>>>> the same fluster and compliance results, have you done more ? Since >>>>> this is largely inspired on Wave5, I'd like to see people testing >>>>> real-world playback, with seeks, dynamic resolution changes, data >>>>> lost. On Wave5, latest performance patches leads to crash or hangs. >>>> I did not use fluster this time, I used h264 decode of 1920x1080 60 >>>> FPS stream. The pipeline was very basic, something along the lines of: >>>> >>>> gst-launch-1.0 -v filesrc location=3D/test.mp4 ! qtdemux ! h264parse ! >>>> v4l2h264dec ! fpsdisplaysink text-overlay=3Dfalse video-sink=3Dwayland= sink >>> >>> Thanks for the detail. Since you have a running setup, perhaps consider >testing >>> with the following, left/right keyboard arrow will let you jump around >in the >>> media. >>> >>> gst-play-1.0 --audiosink=3Dfakeaudiosink --videosink=3Dwaylandsink >/test.mp4 >>> >>> That would at least cover seeking use cases. I provided Nas a stream >that >>> aggressively do resolution changes to reproduce a Wave5 crash, I would >expect >>> him to test and report against Wave6 too. If you'd like to have that >sample, let >>> me know, its not very big, and free, but I'd rather not do attachements >over the >>> mailing list. >> >> Would you please share the stream to me? I want to test this resolution- >change case too. >How can we proceed with the wave6 driver upstreaming ? Patch v3 was posted before you replied to v2. I plan to post v4 shortly and will include your Tested-by tag. Thanks. Nas.