From 71cf39b117d5aa817a4693f4478397e6b04bee25 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 8 Mar 2010 23:41:55 -0800
Subject: [PATCH] drm/i915: Enable VS timer dispatch.

This could resolve HW deadlocks where a unit downstream of the VS is
waiting for more input, the VS has one vertex queued up but not
dispatched because it hopes to get one more vertex for 2x4 dispatch,
and software isn't handing more vertices down because it's waiting for
rendering to complete.  The B-Spec says you should always have this
bit set.

Signed-off-by: Eric Anholt <eric@anholt.net>
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