From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugeni Dodonov Subject: [PATCH 35/41] drm/i915: disable pipe DDI function when disabling pipe Date: Thu, 29 Mar 2012 12:32:51 -0300 Message-ID: <1333035177-19607-36-git-send-email-eugeni.dodonov@intel.com> References: <1333035177-19607-1-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 oproxy8-pub.bluehost.com (oproxy8-pub.bluehost.com [69.89.22.20]) by gabe.freedesktop.org (Postfix) with SMTP id D65319E79D for ; Thu, 29 Mar 2012 09:00:48 -0700 (PDT) In-Reply-To: <1333035177-19607-1-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 09c18f8..0324250 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1475,6 +1475,16 @@ 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); + } + } /* -- 1.7.9.5