drm/i915: give up on 8xx lid status

add patch tracked by stable 2.6.32 regressions,
queued for linus.

svn path=/dists/sid/linux-2.6/; revision=15256

debian/changelog

@@ -28,6 +28,7 @@ linux-2.6 (2.6.32-9) UNRELEASED; urgency=low
   * r8169 patch for rx length check errors. (CVE-2009-4537)
   * vgaarb: fix incorrect dereference of userspace pointer.
   * Bump ABI to 3.
+  * drm/i915: give up on 8xx lid status.
 
   [ Bastian Blank ]
   * Restrict access to sensitive SysRq keys by default.

debian/patches/bugfix/all/drm-i915-give-up-on-8xx-lid-status.patch

@@ -0,0 +1,35 @@
+From patchwork Fri Feb 12 17:30:00 2010
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+Subject: drm/i915: give up on 8xx lid status
+Date: Fri, 12 Feb 2010 17:30:00 -0000
+From: Jesse Barnes <jbarnes@virtuousgeek.org>
+X-Patchwork-Id: 78947
+Message-Id: <20100212093000.5cead4da@jbarnes-piketon>
+To: intel-gfx@lists.freedesktop.org, eric@anholt.net
+
+These old machines more often than not lie about their lid state.  So
+don't use it to detect LVDS presence, but leave the event handler to
+deal with lid open/close, when we might need to reset the mode.
+
+Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
+
+
+diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
+index 75a9772..9f4855b 100644
+--- a/drivers/gpu/drm/i915/intel_lvds.c
++++ b/drivers/gpu/drm/i915/intel_lvds.c
+@@ -641,8 +641,12 @@ static const struct dmi_system_id bad_lid_status[] = {
+  */
+ static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector)
+ {
++	struct drm_device *dev = connector->dev;
+ 	enum drm_connector_status status = connector_status_connected;
+ 
++	if (IS_I8XX(dev))
++		return connector_status_connected;
++
+ 	if (!acpi_lid_open() && !dmi_check_system(bad_lid_status))
+ 		status = connector_status_disconnected;
+ 

debian/patches/series/9

@@ -18,3 +18,4 @@
 + bugfix/all/sfc-Fix-sign-of-efx_mcdi_poll_reboot-error-in-efx_mcdi_poll.patch
 + bugfix/all/sfc-SFE4002-SFN4112F-Widen-temperature-voltage-tolerances.patch
 + features/all/ath9k-add-support-for-802.11n-bonded-out-AR2427.patch
++ bugfix/all/drm-i915-give-up-on-8xx-lid-status.patch