From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugeni Dodonov Subject: [PATCH 17/24] drm/i915: disable pipe DDI function when disabling pipe Date: Thu, 26 Apr 2012 15:21:12 -0300 Message-ID: <1335464479-648-18-git-send-email-eugeni.dodonov@intel.com> References: <1335464479-648-1-git-send-email-eugeni.dodonov@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id 901739E9E0 for ; Thu, 26 Apr 2012 11:22:00 -0700 (PDT) In-Reply-To: <1335464479-648-1-git-send-email-eugeni.dodonov@intel.com> 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: Eugeni Dodonov List-Id: intel-gfx@lists.freedesktop.org Signed-off-by: Eugeni Dodonov --- drivers/gpu/drm/i915/intel_display.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5be2ff1..b7e50af 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1627,6 +1627,16 @@ static void intel_disable_pipe(struct drm_i915_private *dev_priv, I915_WRITE(reg, val & ~PIPECONF_ENABLE); intel_wait_for_pipe_off(dev_priv->dev, pipe); + + /* On HSW, disable pipe DDI function the pipe */ + if (IS_HASWELL(dev_priv->dev)) { + val = I915_READ(DDI_FUNC_CTL(pipe)); + val &= ~PIPE_DDI_PORT_MASK; + val &= ~PIPE_DDI_FUNC_ENABLE; + I915_WRITE(DDI_FUNC_CTL(pipe), + val); + } + } /* -- 1.7.10