From mboxrd@z Thu Jan 1 00:00:00 1970 From: Egbert Eich Subject: [PATCH] drm/i915: Make sure PORT_HOTPLUG_EN is written Date: Fri, 26 Jul 2013 12:31:30 +0200 Message-ID: <1374834690-6214-1-git-send-email-eich@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTP id 50FCDE63DB for ; Fri, 26 Jul 2013 03:32:02 -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: Egbert Eich , Daniel Vetter List-Id: intel-gfx@lists.freedesktop.org Add posting read to make sure PORT_HOTPLUG_EN is written in i915_hpd_irq_setup(). Signed-off-by: Egbert Eich --- drivers/gpu/drm/i915/i915_irq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 1f3a971..a38372b 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2805,6 +2805,7 @@ static void i915_hpd_irq_setup(struct drm_device *dev) /* Ignore TV since it's buggy */ I915_WRITE(PORT_HOTPLUG_EN, hotplug_en); + POSTING_READ(PORT_HOTPLUG_EN); } } -- 1.8.1.4