MST do topology probe in threads, so this running threads needs to be flushed before fbdev is destroyed as when a new MST node is found it calls drm_kms_helper_hotplug_event() that calls fbdev functions Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109964 Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_display.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 8f2770951459..372dd48691cf 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -17989,6 +17989,13 @@ void intel_modeset_driver_remove(struct drm_i915_private *i915) */ intel_hpd_poll_fini(i915); + /* + * MST do topology probe in threads, so this running threads needs to + * be flushed before fbdev is destroyed as when a new MST node is found + * it call drm_kms_helper_hotplug_event() that calls fbdev functions + */ + intel_dp_mst_suspend(i915); + /* poll work can call into fbdev, hence clean that up afterwards */ intel_fbdev_fini(i915); -- 2.24.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
