From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: [PATCH] drm/i915: disable RC6+ on Sandy Bridge Date: Wed, 6 Apr 2011 09:07:10 -0700 Message-ID: <1302106030-10268-1-git-send-email-jbarnes@virtuousgeek.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from oproxy2-pub.bluehost.com (oproxy2-pub.bluehost.com [67.222.39.60]) by gabe.freedesktop.org (Postfix) with SMTP id 8CAE89EF39 for ; Wed, 6 Apr 2011 09:07:19 -0700 (PDT) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org Cc: stable@kernel.org List-Id: intel-gfx@lists.freedesktop.org RC6+ can cause trouble, so keep it disabled (this costs us a little power, around 20mW I think, but better safe than sorry). Cc: stable@kernel.org Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/intel_display.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 432fc04..b265bd3 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6874,7 +6874,6 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv) I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */ I915_WRITE(GEN6_RC_CONTROL, - GEN6_RC_CTL_RC6p_ENABLE | GEN6_RC_CTL_RC6_ENABLE | GEN6_RC_CTL_EI_MODE(1) | GEN6_RC_CTL_HW_ENABLE); -- 1.7.1