From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: [PATCH 1/6] drm/i915: don't restore LVDS enable state blindly Date: Fri, 15 Feb 2013 13:07:45 -0800 Message-ID: <1360962470-7451-2-git-send-email-jbarnes@virtuousgeek.org> References: <1360962470-7451-1-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 oproxy14-pub.unifiedlayer.com (oproxy14-pub.unifiedlayer.com [67.222.51.224]) by gabe.freedesktop.org (Postfix) with SMTP id 5216DE5ED6 for ; Fri, 15 Feb 2013 13:14:30 -0800 (PST) Received: from [67.161.37.189] (port=33493 helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.80) (envelope-from ) id 1U6SVa-0003WM-R6 for intel-gfx@lists.freedesktop.org; Fri, 15 Feb 2013 14:07:50 -0700 In-Reply-To: <1360962470-7451-1-git-send-email-jbarnes@virtuousgeek.org> 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 List-Id: intel-gfx@lists.freedesktop.org We still rely on a few LVDS bits, but restoring the enable bit can cause trouble at this point, so don't. Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/i915_suspend.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 2135f21..a81abed 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -268,9 +268,9 @@ static void i915_restore_display(struct drm_device *dev) I915_WRITE(BLC_PWM_CTL2, dev_priv->regfile.saveBLC_PWM_CTL2); if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(PCH_LVDS, dev_priv->regfile.saveLVDS); + I915_WRITE(PCH_LVDS, dev_priv->regfile.saveLVDS & 0x7fffffff); } else if (IS_MOBILE(dev) && !IS_I830(dev)) - I915_WRITE(LVDS, dev_priv->regfile.saveLVDS); + I915_WRITE(LVDS, dev_priv->regfile.saveLVDS & 0x7fffffff); if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) I915_WRITE(PFIT_CONTROL, dev_priv->regfile.savePFIT_CONTROL); -- 1.7.9.5