From: Akash Goel <akash.g...@intel.com>

Ring frequency table programming is not required on BXT. Added separate
checks to enable the programming only for SKL & skip for BXT.

v2: Removed the BXT check from gen6_update_ring_freq function

Issue: VIZ-5144
Signed-off-by: Akash Goel <akash.g...@intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 89c1b73..daca7e7 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5811,7 +5811,8 @@ static void intel_gen6_powersave_work(struct work_struct 
*work)
        } else if (INTEL_INFO(dev)->gen >= 9) {
                gen9_enable_rc6(dev);
                gen9_enable_rps(dev);
-               __gen6_update_ring_freq(dev);
+               if (IS_SKYLAKE(dev))
+                       __gen6_update_ring_freq(dev);
        } else if (IS_BROADWELL(dev)) {
                gen8_enable_rps(dev);
                __gen6_update_ring_freq(dev);
-- 
1.9.2

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