Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel...

[linux-2.6-microblaze.git] / drivers / gpu / drm / i915 / intel_sdvo.c

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index a658207..b6a9d45 100644 (file)
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1245,8 +1245,14 @@ static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct in
 
 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
 {
+       struct drm_device *dev = intel_sdvo->base.base.dev;
        u8 response[2];
 
+       /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
+        * on the line. */
+       if (IS_I945G(dev) || IS_I945GM(dev))
+               return false;
+
        return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
                                    &response, 2) && response[0];
 }