[PATCH] drm/qxl: validate monitors config modes

> Due to some recent changes in > drm_helper_probe_single_connector_modes_merge_bits(), old custom modes > were not being pruned properly. In current kernels, > drm_mode_validate_basic() is called to sanity-check each mode in the > list. If the sanity-check passes, the mode's status gets set to to

[PATCH] drm/qxl: validate monitors config modes

Due to some recent changes in drm_helper_probe_single_connector_modes_merge_bits(), old custom modes were not being pruned properly. In current kernels, drm_mode_validate_basic() is called to sanity-check each mode in the list. If the sanity-check passes, the mode's status gets set to to MODE_OK.