In case we don't get an fb from the BIOS, we may still be able to re-use existing state and flip a new buffer. Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org> --- drivers/gpu/drm/i915/intel_display.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 861af1a..b04d8b5 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7993,10 +7993,8 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set, /* We should be able to check here if the fb has the same properties * and then just flip_or_move it */ if (set->crtc->fb != set->fb) { - /* If we have no fb then treat it as a full mode set */ if (set->crtc->fb == NULL) { - DRM_DEBUG_KMS("crtc has no fb, full mode set\n"); - config->mode_changed = true; + config->fb_changed = true; } else if (set->fb == NULL) { config->mode_changed = true; } else if (set->fb->depth != set->crtc->fb->depth) { -- 1.7.9.5