From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH] drm/i915/bdw: don't try to check IPS state on BDW Date: Tue, 7 Jan 2014 13:33:44 -0800 Message-ID: <20140107133344.4565814d@jbarnes-desktop> References: <1389054481-4111-1-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 alt-proxy31.mail.unifiedlayer.com (alt-proxy31.mail.unifiedlayer.com [74.220.221.129]) by gabe.freedesktop.org (Postfix) with SMTP id 82979FAC55 for ; Tue, 7 Jan 2014 13:31:17 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org To: Paulo Zanoni Cc: Intel Graphics Development List-Id: intel-gfx@lists.freedesktop.org On Tue, 7 Jan 2014 17:49:05 -0200 Paulo Zanoni wrote: > 2014/1/6 Jesse Barnes : > > According to Art, we don't have a way to read back the state reliably at > > runtime, at least not without risking disabling it again. So drop the > > readout and checking on BDW. > > Based on that, we also need to: > - Replace the TODO comment at hsw_enable_ips() with something else > - Move the POSTING_READ() at hsw_disable_ips() to the IS_HASWELL() case > - Print "enisabled" when someone reads i915_ips_status on BDW All good changes. Just sent an updated patch. Thanks, -- Jesse Barnes, Intel Open Source Technology Center