On 02/20/2015 10:46 PM, Florian Echtler wrote: > On 16.02.2015 12:40, Hans Verkuil wrote: >> On 02/11/2015 12:52 PM, Florian Echtler wrote: >>> does anyone have any suggestions why USERPTR still fails with dma-sg? >>> >>> Could I just disable the corresponding capability for the moment so that >>> the patch could perhaps be merged, and investigate this separately? >> >> I prefer to dig into this a little bit more, as I don't really understand >> it. Set the videobuf2-core debug level to 1 and see what the warnings are. >> >> Since 'buf.qbuf' fails in v4l2-compliance, it's something in the VIDIOC_QBUF >> sequence that returns an error, so you need to pinpoint that. > OK, I don't currently have access to the hardware, but I will try this > as soon as possible. > >> If push comes to shove I can also merge the patch without USERPTR support, >> but I really prefer not to do that. > How long until the next merge window closes? Probably about 6 weeks from now, but is good to err on the safe side and make a decision in 4 weeks. Regards, Hans -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
