From mboxrd@z Thu Jan  1 00:00:00 1970
From: Greg KH <gregkh@linuxfoundation.org>
Subject: Re: [RFC 1/1] drm/i915 : Wait until SYSTEM_RUNNING
 before loading CSR firmware
Date: Tue, 14 Jul 2015 13:37:32 -0700
Message-ID: <20150714203732.GA20241@kroah.com>
References: <1436805405-1134-1-git-send-email-jay.p.patel@intel.com>
 <1436805405-1134-2-git-send-email-jay.p.patel@intel.com>
 <20150714092235.GL3736@phenom.ffwll.local>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mail.linuxfoundation.org (mail.linuxfoundation.org
 [140.211.169.12])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 242896EABC
 for <intel-gfx@lists.freedesktop.org>; Tue, 14 Jul 2015 13:37:34 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <20150714092235.GL3736@phenom.ffwll.local>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: jay.p.patel@intel.com, intel-gfx@lists.freedesktop.org, LKML <linux-kernel@vger.kernel.org>
List-Id: intel-gfx@lists.freedesktop.org
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