DRM/i915: Don't clone SDVO LVDS with analog.

SDVO LVDS are not clonable as the input mode gets adjusted by
the LVDS encoder.

Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 39c3198..3a7251a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2278,10 +2278,8 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
                intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
        }
 
-       /* SDVO LVDS is cloneable because the SDVO encoder does the upscaling,
-        * as opposed to native LVDS, where we upscale with the panel-fitter
-        * (and hence only the native LVDS resolution could be cloned). */
-       intel_sdvo->base.cloneable = true;
+       /* SDVO LVDS is not cloneable because the input mode gets adjusted by the encoder */
+       intel_sdvo->base.cloneable = false;
 
        intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
        if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))