Quoting Chris Wilson (2018-06-10 22:43:09) > We special case the position of the batch within the GTT to prevent > negative self-relocation deltas from underflowing. However, that > restriction is being applied after a trial pin of the batch in its > current position. Thus we are not rejecting an invalid location if the > batch has been before, leading to an assertion if we happen to need to
"has been used/bound/pinned/whatever"? > rearrange the entire payload. In the worst case, this may cause a GPU > hang on gen7 or perhaps missing state. > > References: https://bugs.freedesktop.org/show_bug.cgi?id=105720 > Fixes: 2889caa92321 ("drm/i915: Eliminate lots of iterations over the > execobjects array") > Signed-off-by: Chris Wilson <[email protected]> > Cc: Joonas Lahtinen <[email protected]> > Cc: Martin Peres <[email protected]> Reviewed-by: Joonas Lahtinen <[email protected]> Regards, Joonas _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
