The detection function is simply too unreliable - it doesn't properly pick up changes right away. For now, just set the compat flag and ignore this, because on a quick look fixing this properly is a very big fish to fry. Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch> --- drivers/gpu/drm/i915/intel_sdvo.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index a658207..fdc0574 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2012,6 +2012,8 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector, connector->base.base.doublescan_allowed = 0; connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB; + connector->base.base.polled |= DRM_CONNECTOR_POLL_FORCE; + intel_connector_attach_encoder(&connector->base, &encoder->base); drm_sysfs_connector_add(&connector->base.base); } -- 1.7.7.6