[Intel-gfx] [RFC 2/2] drm/i915/bdw: permit make_rpcs execution on BDW to enable slice shutdown

[Dmitry Rogozhkin]

BDW supports RCS slices powering on/off. To do that we need make_rpcs
executed on BDW to flash slices configuration.

Change-Id: Ia80b1be329bedc57cc61078ea18ecb3d2580c16a
Signed-off-by: Dmitry Rogozhkin <dmitry.v.rogozhkin at intel.com>
CC: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
CC: Zhipeng Gong <zhipeng.gong at intel.com>
CC: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
CC: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_lrc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 2a1b641..bc650df 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1732,7 +1732,7 @@ int logical_xcs_ring_init(struct intel_engine_cs *engine)
 	 * No explicit RPCS request is needed to ensure full
 	 * slice/subslice/EU enablement prior to Gen9.
 	*/
-	if (INTEL_GEN(dev_priv) < 9)
+	if (INTEL_GEN(dev_priv) < 8)
 		return 0;
 
 	/*
-- 
1.8.3.1