1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 232d77d07d8b..ae5e748f39bb 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1220,8 +1220,14 @@ 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];
 }