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@xxxxxxxx/ >> https://patchwork.linuxtv.org/project/linux-media/patch/20200825173523.1289379-5-jernej.skrabec@xxxxxxxx/ >> >> 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@xxxxxxxxx/ >> >> 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. > > 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. 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(-) >>> >>