No, it doesn't. Marek On Tue, Aug 5, 2014 at 10:55 AM, Michel Dänzer <michel@xxxxxxxxxxx> wrote: > On 05.08.2014 07:01, Marek Olšák wrote: >> I'm afraid this won't always work and it can be a source of bugs. >> >> Userspace doesn't have to call GEM_WAIT_IDLE before a CPU access to a >> VRAM buffer. For example, consider a wait-idle request with a non-zero >> timeout, which is implemented as a loop which calls GEM_BUSY. Also, >> userspace can use fences (alright they are backed by 1-page-sized VRAM >> buffers at the moment) and it may use real fences in the future which >> are not tied to a buffer object. >> >> If the HDP flush isn't allowed in userspace IBs, I think we will have >> to expose it as an ioctl and call it explicitly from userspace. > > I understand your concerns, but my patch doesn't change anything wrt > them, does it? > > > -- > Earthling Michel Dänzer | http://www.amd.com > Libre software enthusiast | Mesa and X developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
