Otherwise we'll set_fb complains pretty loudly if we the crtc is off and userspace moves the NULL fb around a bit. Yeah, this actually happens in the wild ... Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch> --- drivers/gpu/drm/i915/intel_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 4b2b17f..125443a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6827,7 +6827,7 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set, config->fb_changed = true; } - if (set->x != set->crtc->x || set->y != set->crtc->y) + if (set->fb && (set->x != set->crtc->x || set->y != set->crtc->y)) config->fb_changed = true; if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) { -- 1.7.11.2