The drm core _really_ likes to frob around with the crtc timings and put halfed vertical timings (in fields) in there. Which confuses the overlay code, resulting in it's refusal to display anything at the lower half of an interlaced pipe. Tested-by: Christopher Egert <cme3000 at gmail.com> Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch> --- drivers/gpu/drm/i915/intel_overlay.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index cdf17d4..2cb67bf 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -935,10 +935,10 @@ static int check_overlay_dst(struct intel_overlay *overlay, { struct drm_display_mode *mode = &overlay->crtc->base.mode; - if (rec->dst_x < mode->crtc_hdisplay && - rec->dst_x + rec->dst_width <= mode->crtc_hdisplay && - rec->dst_y < mode->crtc_vdisplay && - rec->dst_y + rec->dst_height <= mode->crtc_vdisplay) + if (rec->dst_x < mode->hdisplay && + rec->dst_x + rec->dst_width <= mode->hdisplay && + rec->dst_y < mode->vdisplay && + rec->dst_y + rec->dst_height <= mode->vdisplay) return 0; else return -EINVAL; -- 1.7.8.3