On Wed, 2014-02-12 at 14:28 -0800, Ben Widawsky wrote:
> 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.
>
> Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
After the remaining issues fixed, on this one:
Reviewed-by: Imre Deak <imre.deak@xxxxxxxxx>
> ---
> 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 5299acc..2c2121d 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -1733,11 +1733,6 @@ 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;
> }
>
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