[Intel-gfx] [PATCH 4/4] drm/i915: fix relocation of secure buffers

[Chris Wilson]

On Fri, Apr 15, 2016 at 12:32:57PM +0100, Dave Gordon wrote:
> There is a problem with the relocation of batches submitted with the
> I915_EXEC_SECURE flag: although the batch itself will be mapped into the
> GGTT, any relocations referring to it will use its address in the PPGTT,
> which almost certainly won't be the same.

This is incorrect. We can have and do use secure batches in the GGTT that
use ppGTT self relocations.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre