Re: [Intel-gfx] [PATCH 6/8] drm/i915/gem: Always call obj->ops->migrate unless can_migrate fails

On Fri, 23 Jul 2021 at 18:22, Jason Ekstrand wrote: > > Without TTM, we have no such hook so we exit early but this is fine > because we use TTM on all LMEM platforms and, on integrated platforms, > there is no real migration. If we do have the hook, it's better to just > let TTM handle the

[Intel-gfx] [PATCH 6/8] drm/i915/gem: Always call obj->ops->migrate unless can_migrate fails

Without TTM, we have no such hook so we exit early but this is fine because we use TTM on all LMEM platforms and, on integrated platforms, there is no real migration. If we do have the hook, it's better to just let TTM handle the migration because it knows where things are actually placed. This