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drm/i915: gen 9 h/w w/a Fix stepping check 

Fixed the stepping check on WaDisableDgMirrorFixInHalfSliceChicken5
to be for the correct SOC (Skylake)

Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Nick Hoath 2015-02-06 11:30:03 +00:00 committed by Daniel Vetter
parent e3eb3250d8
commit e90fff154e
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -886,7 +886,8 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC);
if (INTEL_REVID(dev) == SKL_REVID_A0) {
if (INTEL_REVID(dev) >= SKL_REVID_A0 &&
INTEL_REVID(dev) <= SKL_REVID_B0) {
/*
* WaDisableDgMirrorFixInHalfSliceChicken5:skl
* This is a pre-production w/a.