Hi Robin, On Tue, Mar 22, 2016 at 06:53:48PM +0000, Robin Murphy wrote: > In a stream-matching implementation, a device may quite legitimately > own anything up to _all_ of the stream IDs (32768, or 65536 if we > ever implement support for the SMMUv2 EXID extension), so this is > only a genuine limit for stream indexing (and if anyone ever > actually made one of those, I don't think they're running mainline > on it). Do you mean we might see a lot more than the currently 128 supported stream-ids for an smmu? > Alternatively, how straightforward is it to change the DT on your > machine? I'll be getting a v2 of [1] out in a couple of weeks (after > imminent holidays), which already gets rid of MAX_MASTER_STREAMIDS > altogether, and might also have grown proper SMR support by then. Hmm, I don't know how to change the DT of this Seattle machine. I think it is provided by the ACPI BIOS. At least it boots with grub2 and not u-boot and there is no DT in /boot. Joerg -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
