Messages in this thread | | | Date | Mon, 16 Nov 2020 10:37:39 +0100 (CET) | From | Martin Cerveny <> | Subject | Re: [PATCH v2 0/6] ARM: dts: sun8i: v3s: Enable video decoder |
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On Mon, 16 Nov 2020, Hans Verkuil wrote:
> On 15/11/2020 19:59, Martin Cerveny wrote: >> Hello. >> >> On Thu, 5 Nov 2020, Hans Verkuil wrote: >> >>> Hi Martin, >>> >>> On 12/09/2020 16:30, Martin Cerveny wrote: >>>> First patch extends cedrus capability to all decoders >>>> because V3s missing MPEG2 decoder. >>>> >>>> Next two patches add system control node (SRAM C1) and >>>> next three patches add support for Cedrus VPU. >>>> >>>> Tested on "Lichee Zero" V3s platform with testing LCD patch >>>> ( https://github.com/mcerveny/linux/tree/v3s_videocodec_v4 ) >>>> and V4L2 raw API testing utility >>>> ( https://github.com/mcerveny/v4l2-request-test ): >>>> - enabled LCD (DRM dual VI and sigle UI planes) >>>> - added RGB panel >>>> - enabled PWM >>>> >>>> There is low memory on V3s (64MB) and maximum must be available to CMA: >>>> - CONFIG_CMA_SIZE_MBYTES=28 >>>> - add swap to swapout other processes >>>> - decrease buffers in v4l2-request-test (.buffers_count from 16 to 6) >>>> >>>> Only H.264 decoder working - MPEG and H.265 unsupported by V3s, >>>> JPEG/MJPEG still unimplemented, encoder unimplemented >>> >>> When I tried to merged these patches I got merge conflicts. >>> >>> Possibly due to other 5.10 changes, but certainly because of conflicts >>> with patches from Jernej: >>> >>> https://patchwork.linuxtv.org/project/linux-media/patch/20200825173523.1289379-4-jernej.skrabec@siol.net/ >>> https://patchwork.linuxtv.org/project/linux-media/patch/20200825173523.1289379-5-jernej.skrabec@siol.net/ >>> >>> I've merged Jerne's patches and posted a PR for that: >>> https://patchwork.linuxtv.org/project/linux-media/patch/f3b8e5e2-5f0e-fb6f-e5b2-7f44f7e365e7@xs4all.nl/ >>> >>> Can you rebase your patches on top of my branch that contains Jernej's patches? >>> >>> https://git.linuxtv.org/hverkuil/media_tree.git/log/?h=for-v5.11e >>> >>> Once my PR is merged into the media_tree master I can take your rebased >>> patches. >> >> I updated patches: >> https://github.com/mcerveny/linux/tree/media_tree_for-v5.11e >> >> BUT, commit (555 commits) for v5.10-1 >> https://github.com/torvalds/linux/commit/fd5c32d80884268a381ed0e67cccef0b3d37750b >> disrupts usability of Cedrus H.264 (at least for my Allwinner V3s): >> >> 1) colors are disrupted >> >> There are missing some initialization now. >> >> If I use "5.9" compatible code >> (last bisect good point https://github.com/torvalds/linux/commit/647412daeb454b6dad12a6c6961ab90aac9e5d29 ) >> then reboot (not power-off!) and use new code >> ( https://github.com/mcerveny/linux/tree/media_tree_for-v5.11e ) >> and colors are OK. > > Could this or the next issue be related to this bug fix? > > https://git.linuxtv.org/media_tree.git/commit/?h=fixes&id=9ac924b98728c3733c91c6c59fc410827d0da49f > > That fix isn't yet in our master tree.
Confirmed. It recovers colors !
>> >> 2) decoding of complex streams fails >> >> ( https://github.com/mcerveny/v4l2-request-test/tree/v5.10 ) >> - bbb-h264-all-i-32 - OK >> - bbb-h264-32 - bad from frame 5 >> - bbb-h264-high-32 - bad from frame 6 > > I think cedrus devs need to take a look at these issues.
Maybe something wrong in my testing code, problematic commit swapped some variables between structures :-(
I try to investigate more, regards Martin
> Regards, > > Hans > >> >> best regards, >> Martin >> >>>> Changes since v1: >>>> - patch 0005 rename >>>> - added testing description >>>> >>>> Martin Cerveny (6): >>>> media: cedrus: Register all codecs as capability >>>> dt-bindings: sram: allwinner,sun4i-a10-system-control: Add V3s >>>> compatibles >>>> ARM: dts: sun8i: v3s: Add node for system control >>>> media: cedrus: Add support for V3s >>>> dt-bindings: media: cedrus: Add V3s compatible >>>> ARM: dts: sun8i: v3s: Add video engine node >>>> >>>> .../allwinner,sun4i-a10-video-engine.yaml | 1 + >>>> .../allwinner,sun4i-a10-system-control.yaml | 6 ++++ >>>> arch/arm/boot/dts/sun8i-v3s.dtsi | 33 +++++++++++++++++++ >>>> drivers/staging/media/sunxi/cedrus/cedrus.c | 28 +++++++++++++++- >>>> drivers/staging/media/sunxi/cedrus/cedrus.h | 2 ++ >>>> .../staging/media/sunxi/cedrus/cedrus_video.c | 2 ++ >>>> 6 files changed, 71 insertions(+), 1 deletion(-) >>>> >>> >
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