drm/i915: Exercise filling the top/bottom portions of the ppgtt

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Allocate objects with varying number of pages (which should hopefully
consist of a mixture of contiguous page chunks and so coalesced sg
lists) and check that the sg walkers in insert_pages cope.

v2: Check both small <-> large

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170213171558.20942-28-chris@chris-wilson.co.uk

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Chris Wilson 2017-02-13 17:15:39 +00:00

parent 1c42819a14

commit 8d28ba4568

2 changed files with 365 additions and 0 deletions

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3

drivers/gpu/drm/i915/i915_gem_object.h

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362

drivers/gpu/drm/i915/selftests/i915_gem_gtt.c

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