Quoting Chris Wilson (2019-11-28 14:52:11) > From: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx> > > This is really just an alias of mmap_gtt. The 'mmap offset' nomenclature > comes from the value returned by this ioctl which is the offset into the > device fd which userpace uses with mmap(2). > > mmap_gtt was our initial mmap_offset implementation, this extends > our CPU mmap support to allow additional fault handlers that depends on > the object's backing pages. > > Note that we multiplex mmap_gtt and mmap_offset through the same ioctl, > and use the zero extending behaviour of drm to differentiate between > them, when we inspect the flags. > > v2: > - Drop the alias, just rename the struct (Chris) > - Don't bail out on no PAT when doing WB mmaps > - Prepare uAPI for further extensions > v3: > - drop MMAP_OFFSET_FLAGS > v4: > - Tweaks, header re-org > > Signed-off-by: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx> > Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> > Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Sigh, ignore this. This patch is not standalone. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
