On Tue, May 05, 2015 at 05:39:57PM +0200, Benjamin Gaignard wrote: > Since few months I'm looking for Linaro to how do Secure Data Path (SPD). > I have tried and implemented multiple thinks but I always facing architecture > issues so I would like to get your help to solve the problem. > > First what is Secure Data Path ? SDP is a set of hardware features to garanty > that some memories regions could only be read and/or write by specific > hardware > IPs. You can imagine it as a kind of memory firewall which grant/revoke > accesses to memory per devices. Firewall configuration must be done in a > trusted > environment: for ARM architecture we plan to use OP-TEE + a trusted > application to do that. > > One typical use case for SDP in a video playback which involve those elements: > decrypt -> video decoder -> transform -> display
Sounds like a good enough reason not to implement it ever. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
