drm/i915: Don't unconditionally try to deref aliasing ppgtt

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Since the beginning, the functions which try to properly reference the
aliasing PPGTT have deferences a potentially null aliasing_ppgtt member.
Since the accessors are meant to be global, this will not do.

Introduced originally in:
commit a70a3148b0
Author: Ben Widawsky <ben@bwidawsk.net>
Date:   Wed Jul 31 16:59:56 2013 -0700

    drm/i915: Make proper functions for VMs

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

...

This commit is contained in:

Ben Widawsky 2013-12-06 14:10:48 -08:00 • committed by Daniel Vetter

parent e178f7057b

commit 6f425321e0

1 changed files with 4 additions and 2 deletions

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6

drivers/gpu/drm/i915/i915_gem.c

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