FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 55b1a8f2bce69d4f9fe1d08b7c7132a274266639 ("drm/fb-helper: Propagate errors from initial config failure") We found the new error message as follow, it may be a problem in cirrus code. But we still send it to you for your information. [ 7.789221] cirrusdrmfb: enable CONFIG_FB_LITTLE_ENDIAN to support this framebuffer [ 7.789221] cirrusdrmfb: enable CONFIG_FB_LITTLE_ENDIAN to support this framebuffer [ 7.791234] [drm:cirrus_modeset_init] *ERROR* cirrus_fbdev_init failed [ 7.791234] [drm:cirrus_modeset_init] *ERROR* cirrus_fbdev_init failed [ 7.792916] cirrus 0000:00:02.0: Fatal error during modeset init: -22 [ 7.792916] cirrus 0000:00:02.0: Fatal error during modeset init: -22 Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Huang, Ying