Hi Kiko, everyone,
Some update on my Action items: On 22 March 2012 20:24, Christian Robottom Reis kiko@linaro.org wrote:
Hey there,
We ran a call today on the topics of V4L2/dmabuf integration and the DMA mapping changes; I've included minutes and actions below.
In summary:
- We're not going to see the V4L2 patches in 3.4; they haven't had enough review or testing and Mauro is very busy this merge window.
- We're going to put in effort to validate the work on Exynos4 and OMAP4 using test applications that Rob and Tomasz are maintaining.
- Sumit's maintaining an up-to-date branch containing all the in-flight DRM/V4L2/dmabuf-dependent work that we can carry meanwhile: http://git.linaro.org/gitweb?p=people/sumitsemwal/linux-3.x.git%3Ba=shortlog...
Laurent, I missed one thing that you mentioned in the call and it's included in an XXX: below; if you could note what it was it would be great.
Please feel free to correct my possibly wild misunderstandings in the minutes and summary above. Thanks!
Attendees are all on the To: line.
Tomasz: At the moment, have PoC support for import/export dma-buf for V4L2 Modified patches by Sumit Supporting importer of dma-buf Exynos DRM and drm-prime
Test application worked fine for V4L capture and DRM output Test application between two V4L devices
Laurent has sent in review comments
Tomasz: proposed extension to DMA Mapping -- dma_get_pages Currently difficult to change the camera address into list of pages DMA framework has the knowledge of this list and could do this
Depends on dma_get_pages Needs to be merged first
Test application posted to dri-devel with dependencies to run demo Many dependencies
Topic: dmabuf importer from V4L2 For sharing with DRM do not need exporter Need some patches added to DRM prime prime for Exynos drm-prime ACTION: Tomasz to check with Inki Dae and David A. on status
<snip>
ACTION: Sumit to look into VV driver used for v4l2 testing needs importer and exporter
I will start looking into this soon - though most likely, it should be simple enough if Vivi is using dma-contig allocator of videobuf2.
<snip>
Tomasz could use the 3.3-WIP branch Sumit: rebasing not a good idea, but could pull in for-next Suggests Tomasz bases work on Linus' mainline Had problems with Tomasz' branch that is based on -next His branch includes Tomasz RFCv2 patches as well Laurent: agree with Sumit ACTION: Sumit to email Tomasz and CC: Inki Dae ACTION: send around latest drm-prime branch
I will send this email by today - Dave A has posted the next version of DRM Prime a short while back.
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