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drm/i915: Remove pre-production pooled-EU w/a for Broxton 

WaEnablePooledEuFor2x6 only applies to preproduction models, unsupported
since commit 0102ba1fd8 ("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>
hifive-unleashed-5.1
Chris Wilson 2017-11-14 13:51:16 +00:00
parent fd13821219
commit 34cc9efc27
1 changed files with 0 additions and 10 deletions
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10
drivers/gpu/drm/i915/intel_device_info.c
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@ -235,16 +235,6 @@ static void gen9_sseu_info_init(struct drm_i915_private *dev_priv)
#define IS_SS_DISABLED(ss) (!(sseu->subslice_mask & BIT(ss)))
info->has_pooled_eu = hweight8(sseu->subslice_mask) == 3;
/*
* There is a HW issue in 2x6 fused down parts that requires
* Pooled EU to be enabled as a WA. The pool configuration
* changes depending upon which subslice is fused down. This
* doesn't affect if the device has all 3 subslices enabled.
*/
/* WaEnablePooledEuFor2x6:bxt */
info->has_pooled_eu |= (hweight8(sseu->subslice_mask) == 2 &&
IS_BXT_REVID(dev_priv, 0, BXT_REVID_B_LAST));
sseu->min_eu_in_pool = 0;
if (info->has_pooled_eu) {
if (IS_SS_DISABLED(2) || IS_SS_DISABLED(0))