74898d7edc
And track the existence of such a binding similar to the aliasing ppgtt case. Speeds up binding/unbinding in the common case where we only need a ppgtt binding (which is accessed in a cpu coherent fashion by the gpu) and no gloabl gtt binding (which needs uc writes for the ptes). This patch just puts the required tracking in place. v2: Check that global gtt mappings exist in the error_state capture code (with Chris Wilson's llc reloc patches batchbuffers are no longer relocated as mappable in all situations, so this matters). Suggested by Chris Wilson. v3: Adapted to Chris' latest llc-reloc patches. v4: Fix a bug in the i915 error state capture code noticed by Chris Wilson. Reviewed-and-tested-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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