From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Lespiau, Damien" Subject: Re: [PATCH 1/5] drm/i915: implement WaIssueDummyWriteToWakupFromRC6 Date: Thu, 18 Oct 2012 12:25:44 +0100 Message-ID: References: <1350553794-5534-1-git-send-email-daniel.vetter@ffwll.ch> <1350553794-5534-2-git-send-email-daniel.vetter@ffwll.ch> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 6DA439E860 for ; Thu, 18 Oct 2012 04:25:46 -0700 (PDT) Received: by mail-qc0-f177.google.com with SMTP id u28so7055622qcs.36 for ; Thu, 18 Oct 2012 04:25:44 -0700 (PDT) In-Reply-To: <1350553794-5534-2-git-send-email-daniel.vetter@ffwll.ch> 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: Daniel Vetter Cc: Intel Graphics Development List-Id: intel-gfx@lists.freedesktop.org On Thu, Oct 18, 2012 at 10:49 AM, Daniel Vetter wrote: > +static void > +ilk_dummy_write(struct drm_i915_private *dev_priv) > +{ > + /* Ilk w/a: Issue a dummy write to wake up the chip from rc6 before > + * touching it for real. MI_MODE is masked, hence harmless to write 0 > + * into. */ I'd document the wa implemented here. The summary line is missing an 'e' in Wake, it makes it harder to look for it. -- Damien