On Tue, Feb 23, 2016 at 3:56 PM, Rob Clark <robdclark@xxxxxxxxx> wrote: > On Tue, Feb 23, 2016 at 6:29 PM, Emil Velikov <emil.l.velikov@xxxxxxxxx> wrote: >> Hi Zach, >> >> On 2 February 2016 at 23:37, Zach Reizner <zachr@xxxxxxxxxx> wrote: >>> The prime fd to handle ioctl was not used with rockchip before. Support >>> was added in order to support potential uses (e.g. zero-copy video >>> decode, camera). >>> >> Similar patch came around a few months ago and got this reply [1]. If >> the situation has changed (there is an open-source driver/user for >> this) it should be clearly mentioned in the commit message, as opposed >> to "in order to support potential uses". > > hmm, well it is not driver specific uabi, and we have let several > other mali/img users do prime.. > > I'm not sure, maybe those platforms can do a basic v4l <-> display > thing w/ prime. Although upstream tends to hurt a bit for camera > support.. There used to be vgem, but that was reverted... Stéphane > > BR, > -R > >> Regards, >> Emil >> >> [1] https://lists.freedesktop.org/archives/dri-devel/2015-November/094568.html >> _______________________________________________ >> dri-devel mailing list >> dri-devel@xxxxxxxxxxxxxxxxxxxxx >> https://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel