On Fri, 2018-06-01 at 10:35 +0100, Chris Wilson wrote: > On resume, we have to rewrite all the PDE entries for gen7 ppgtts. If we > switch on full-ppgtt, there is then one address space with no PDE, the > GGTT. Currently under aliasing-ppgtt, the GGTT address space does have > an associated ppgtt and so the restore works just fine. We would have a > similar problem if we tried disabling aliasing-ppgtt > (i915.enable_ppgtt=0). So skip the empty ppgtt, as being non-existent it > doesn't need restoring. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Regards, Joonas -- Joonas Lahtinen Open Source Technology Center Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
