drm/i915: Remove pre-production pooled-EU w/a for Broxton
WaEnablePooledEuFor2x6 only applies to preproduction models, unsupported since commit 0102ba1fd8af ("drm/i915: Add early BXT sdv to the list of preproduction machines"). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171114135116.30036-1-chris@chris-wilson.co.uk Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>
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@ -235,16 +235,6 @@ static void gen9_sseu_info_init(struct drm_i915_private *dev_priv)
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#define IS_SS_DISABLED(ss) (!(sseu->subslice_mask & BIT(ss)))
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info->has_pooled_eu = hweight8(sseu->subslice_mask) == 3;
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/*
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* There is a HW issue in 2x6 fused down parts that requires
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* Pooled EU to be enabled as a WA. The pool configuration
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* changes depending upon which subslice is fused down. This
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* doesn't affect if the device has all 3 subslices enabled.
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*/
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/* WaEnablePooledEuFor2x6:bxt */
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info->has_pooled_eu |= (hweight8(sseu->subslice_mask) == 2 &&
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IS_BXT_REVID(dev_priv, 0, BXT_REVID_B_LAST));
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sseu->min_eu_in_pool = 0;
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if (info->has_pooled_eu) {
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if (IS_SS_DISABLED(2) || IS_SS_DISABLED(0))
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