From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH] drm/i915: make IVB FDI training match spec v2 Date: Mon, 19 Aug 2013 11:06:34 -0700 Message-ID: <20130819110634.47b3abc8@jbarnes-desktop> References: <1364496184-3172-1-git-send-email-jbarnes@virtuousgeek.org> <1364497393-4796-1-git-send-email-jbarnes@virtuousgeek.org> <20130818190959.GM776@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from oproxy7-pub.mail.unifiedlayer.com (oproxy7-pub.mail.unifiedlayer.com [67.222.55.9]) by gabe.freedesktop.org (Postfix) with SMTP id E2532E75C5 for ; Mon, 19 Aug 2013 11:05:49 -0700 (PDT) In-Reply-To: <20130818190959.GM776@phenom.ffwll.local> 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 Sun, 18 Aug 2013 21:09:59 +0200 Daniel Vetter wrote: > On Mon, Apr 08, 2013 at 05:50:07PM -0300, Paulo Zanoni wrote: > > Hi > > > > 2013/3/28 Jesse Barnes : > > > The existing code was trying different vswing and preemphasis settings > > > in the wrong place, and wasn't trying them enough. So add a loop to > > > walk through them, properly disabling FDI TX and RX in between if a > > > failure is detected. > > > > > > v2: remove unneeded reg writes, add delays around bit lock checks (Jesse) > > > > > > Signed-off-by: Jesse Barnes > > Apparently this patch can curb fdi link train fail on some machines: > > https://bugs.freedesktop.org/show_bug.cgi?id=51983 > > Althouhg there's still other fail going on. Can you pls update your patch > to Paulo's review and resend? Sent, hopefully Paulo can add his r-b in reply. Forgot to add the reference above too, I guess you can do that when applying Paulo's r-b. -- Jesse Barnes, Intel Open Source Technology Center