Writeback connectors aren't much use to the fbdev helpers, as they won't show anything to the user. Skip them when looking for candidate output configurations. Signed-off-by: Brian Starkey <brian.starkey@xxxxxxx> --- drivers/gpu/drm/drm_fb_helper.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 03414bd..dedf6e7 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -2016,6 +2016,10 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper, if (modes[n] == NULL) return best_score; + /* Writeback connectors aren't much use for fbdev */ + if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) + return best_score; + crtcs = kzalloc(fb_helper->connector_count * sizeof(struct drm_fb_helper_crtc *), GFP_KERNEL); if (!crtcs) -- 1.7.9.5 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel