From f4f71c7dfc5c989f53a1861f3ac42e24018fad4c Mon Sep 17 00:00:00 2001 From: Deepak S <deepak.s@linux.intel.com> Date: Sat, 28 Mar 2015 15:23:35 +0530 Subject: drm/i915: Re-adjusting rc6 promotional timer for chv After feedback from the hardware team we are changing the RC6 promotional timer to increase the power saving without changing performance. Signed-off-by: Deepak S <deepak.s@linux.intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> --- drivers/gpu/drm/i915/intel_pm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a80bfd565ce4..a7516ed24eee 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5046,8 +5046,8 @@ static void cherryview_enable_rps(struct drm_device *dev) I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10); I915_WRITE(GEN6_RC_SLEEP, 0); - /* TO threshold set to 1750 us ( 0x557 * 1.28 us) */ - I915_WRITE(GEN6_RC6_THRESHOLD, 0x557); + /* TO threshold set to 500 us ( 0x186 * 1.28 us) */ + I915_WRITE(GEN6_RC6_THRESHOLD, 0x186); /* allows RC6 residency counter to work */ I915_WRITE(VLV_COUNTER_CONTROL, -- cgit