From: Eugeni Dodonov <eugeni.dodonov@intel.com>
Date: Mon, 2 Jul 2012 14:51:08 +0000 (-0300)
Subject: drm/i915: disable RC6 when disabling rps
X-Git-Tag: firefly_0821_release~3680^2~2339^2~39^2~22
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=885094845067dd3791b0f6c3497d51bca76e393a;p=firefly-linux-kernel-4.4.55.git

drm/i915: disable RC6 when disabling rps

We weren't disabling RC6 bits when bringing down RPS.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 28db512b5784..c06785ed3f43 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2305,6 +2305,7 @@ static void gen6_disable_rps(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
+	I915_WRITE(GEN6_RC_CONTROL, 0);
 	I915_WRITE(GEN6_RPNSWREQ, 1 << 31);
 	I915_WRITE(GEN6_PMINTRMSK, 0xffffffff);
 	I915_WRITE(GEN6_PMIER, 0);