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Revert "drm/i915/bdw: Limit GTT to 2GB" 

This reverts commit 3a2ffb65ee.

Now that the code is fixed to use smaller allocations, it should be safe
to let the full GGTT be used on BDW.

The testcase for this is anything which uses more than half of the GTT,
thus eclipsing the old limit.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2014-02-19 22:05:46 -08:00 committed by Daniel Vetter
parent 7ad47cf252
commit 7907f45bf9
1 changed files with 0 additions and 5 deletions
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5
drivers/gpu/drm/i915/i915_gem_gtt.c
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@ -1725,11 +1725,6 @@ static inline unsigned int gen8_get_total_gtt_size(u16 bdw_gmch_ctl)
bdw_gmch_ctl &= BDW_GMCH_GGMS_MASK;
if (bdw_gmch_ctl)
bdw_gmch_ctl = 1 << bdw_gmch_ctl;
if (bdw_gmch_ctl > 4) {
WARN_ON(!i915.preliminary_hw_support);
return 4<<20;
}
return bdw_gmch_ctl << 20;
}