drm/i915: WaDisableRCCUnitClockGating isn't applicable to IVB
WaDisableRCCUnitClockGating is only relevant for SNB.
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>
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 7e85b3e..f7efe69 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4861,15 +4861,11 @@
* Sanctuary and Tropics, and apparently anything else with
* alpha test or pixel discard.
*
- * According to the spec, bit 11 (RCCUNIT) must also be set,
- * but we didn't debug actual testcases to find it out.
- *
* According to the spec, bit 13 (RCZUNIT) must be set on IVB.
* This implements the WaDisableRCZUnitClockGating:ivb workaround.
*/
I915_WRITE(GEN6_UCGCTL2,
- GEN6_RCZUNIT_CLOCK_GATE_DISABLE |
- GEN6_RCCUNIT_CLOCK_GATE_DISABLE);
+ GEN6_RCZUNIT_CLOCK_GATE_DISABLE);
/* This is required by WaCatErrorRejectionIssue:ivb */
I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG,