drm/i915/bdw: Remove BDW preproduction W/As until C stepping.
Let's clean this a bit
v2: Rebase after other Mika's patch that removed some BDW production workarounds.
v3: Removed stepping info.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 7c0c28c..5ebe46a 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -712,13 +712,12 @@
return ret;
/* WaDisablePartialInstShootdown:bdw */
- /* WaDisableThreadStallDopClockGating:bdw */
- /* FIXME: Unclear whether we really need this on production bdw. */
+ /* WaDisableThreadStallDopClockGating:bdw (pre-production) */
intel_ring_emit_wa(ring, GEN8_ROW_CHICKEN,
_MASKED_BIT_ENABLE(PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE
| STALL_DOP_GATING_DISABLE));
- /* WaDisableDopClockGating:bdw May not be needed for production */
+ /* WaDisableDopClockGating:bdw */
intel_ring_emit_wa(ring, GEN7_ROW_CHICKEN2,
_MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));