On Fri, 13 May 2022 at 14:03, Christian König <ckoenig.leichtzumerken@xxxxxxxxx> wrote: > > Am 13.05.22 um 11:21 schrieb Matthew Auld: > > On Mon, 9 May 2022 at 14:09, Christian König > > <ckoenig.leichtzumerken@xxxxxxxxx> wrote: > >> Hi everyone, > >> > >> re-sending this because Daniel was requesting a background why this is > >> useful. > >> > >> When TTM creates a buffer this object initially should not have any > >> backing store and there no resource object associated with it. The same > >> can happen when a driver requests that the backing store of an object is > >> destroyed without allocating a new one. > >> > >> This is really useful during initial buffer creation as well as temporary > >> buffers and page tables which content doesn't need to be preserved when > >> they are evicted. > >> > >> Currently TTM allocates dummy system resources for that because drivers > >> couldn't handle a NULL pointer there. Audit the drivers and then clean > >> up TTM to stop making those dummy allocations. > >> > >> Please review and comment, > > Any chance we can throw this at intel-ci? Series seems to apply to drm-tip. > > It should be enough to CC intel-gfx@xxxxxxxxxxxxxxxxxxxxx when sending > the patch set out, right? Yes, that should be enough. > > Christian. > > > > >> Christian. > >> > >> >
