drm/i915: Make aliasing a 2nd class VM

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There is a good debate to be had about how best to fit the aliasing
PPGTT into the code. However, as it stands right now, getting aliasing
PPGTT bindings is a hack, and done through implicit arguments. To make
this absolutely clear, WARN and return an error if a driver writer tries
to do something they shouldn't.

I have no issue with an eventual revert of this patch. It makes sense
for what we have today.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Ben Widawsky 2014-05-06 22:21:36 -07:00 • committed by Daniel Vetter

parent 3e8b5ae9b0

commit 6e7186af3b

1 changed files with 4 additions and 0 deletions

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drivers/gpu/drm/i915/i915_gem.c

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