This reverts commit 3a2ffb65eec6dbda2fd8151894f51c18b42c8d41.
Now that the code is fixed to use smaller allocations, it should be safe
to let the full GGTT be used on DW.
The testcase for this is anything which uses more than half of the GTT,
thus eclipsing the old limit.
With pre-requisite patches fixed/merged:
Reviewed-by: Imre Deak <imre.d...@intel.com>
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index fcde3c7..7245166 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -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;
}
--
1.9.0
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