Re: [igt-dev] [PATCH i-g-t v21 15/35] lib/intel_batchbuffer: Use relocations in intel-bb up to gen12

Quoting Zbigniew Kempczyński (2021-03-01 16:13:43)

We want to use relocations as long as we can so change intel-bb
strategy to use it as default up to gen12. For gen12 we have
to use softpinning in ccs aux tables so there we enforce using
allocator instead of relocations.

The use something like

static bool aux_needs_softpin(int i915)
{
	return intel_gen(intel_get_drm_devid(i915)) >= 12;
}

gem_has_relocs(i915) && !aux_needs_softpin(i915)

so that the reason for the gen check is described at the point of use.
-Chris
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