From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 9/9] drm/i915: Initialize PCH refclks at modeset init time Date: Tue, 27 Sep 2011 17:56:39 +0100 Message-ID: References: <1317103906-4649-1-git-send-email-keithp@keithp.com> <1317103906-4649-10-git-send-email-keithp@keithp.com> Return-path: In-Reply-To: <1317103906-4649-10-git-send-email-keithp@keithp.com> Sender: linux-kernel-owner@vger.kernel.org To: Dave Airlie Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Keith Packard List-Id: dri-devel@lists.freedesktop.org On Mon, 26 Sep 2011 23:11:46 -0700, Keith Packard wrote: > The reference clock configuration must be done before any mode setting > can occur as all outputs must be disabled to change > anything. Initialize the clocks after turning everything off during > the initialization process. Ah, now I see why we moved from using the active configuration earlier. ;-) Doesn't this prevent us from ever using SSC though, as virtually every single PCH machine has HDMI encoders that haven't been masked out through the chicken fuses or VBT? -Chris -- Chris Wilson, Intel Open Source Technology Centre