From: Ville Syrjälä <ville.syrj...@linux.intel.com>
WaDisableRCCUnitClockGating is only relevant for SNB.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index f40dd1b..1e1c1b1 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4860,15 +4860,11 @@ static void ivybridge_init_clock_gating(struct
drm_device *dev)
* 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,
--
1.8.3.2
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