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drm/i915: Drop WaDisableRCZUnitClockGating:hsw 

WaDisableRCZUnitClockGating was needed with early HSW steppings only.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2014-01-22 21:32:54 +02:00 committed by Daniel Vetter
parent 1b80a19aa1
commit dfdf1b4fac
1 changed files with 0 additions and 5 deletions
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5
drivers/gpu/drm/i915/intel_pm.c
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@ -4765,11 +4765,6 @@ static void haswell_init_clock_gating(struct drm_device *dev)
ilk_init_lp_watermarks(dev);
/* According to the spec, bit 13 (RCZUNIT) must be set on IVB.
* This implements the WaDisableRCZUnitClockGating:hsw workaround.
*/
I915_WRITE(GEN6_UCGCTL2, GEN6_RCZUNIT_CLOCK_GATE_DISABLE);
/* WaApplyL3ControlAndL3ChickenMode:hsw */
I915_WRITE(GEN7_L3CNTLREG1,
GEN7_WA_FOR_GEN7_L3_CONTROL);