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drm/i915/skl: Restrict the ring frequency table programming to SKL 

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.goel@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Akash Goel 2015-06-29 14:50:21 +05:30 committed by Daniel Vetter
parent e4ca061275
commit cc017fb4d7
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/intel_pm.c
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@ -6219,7 +6219,8 @@ 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);