On 10 November 2015 at 20:51, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote: > On Tue, 10 Nov 2015, Wayne Boyer <wayne.boyer@xxxxxxxxx> wrote: >> Beginning with SKL the DP Aux channel communication can be protected >> using a built in H/W mutex. >> >> This patch provides an initial implementation for using that mutex. >> The use is currently limited to protecting the sink crc request based >> on feedback from the H/W designers indicating that using the mutex >> for all aux channel communication is not recommended. > > Please explain in the commit message what benefits this brings, and why > it's a good idea. Just that something *can* be done in hardware does not > mean that we should do it. I also have trouble understanding a mutex that only some things use. Seems like a mutex needs to be used everywhere to provide locking. Dave. _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
