From: Chris Wilson Date: Mon, 6 Sep 2010 22:53:47 +0000 (+0100) Subject: drm: Fix regression in disable polling e58f637 X-Git-Tag: v2.6.36-rc5~31^2~13 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=551402a30efa45560e23c22a7aa04453861602c3;p=platform%2Fupstream%2Fkernel-adaptation-pc.git drm: Fix regression in disable polling e58f637 I broke out my trusty i845 and found a new boot failure, which upon inspection turned out to be a recursion within: drm_helper_probe_single_connector_modes() -> drm_helper_hpd_irq_event() -> intel_crt_detect() -> drm_helper_probe_single_connector_modes() Calling drm_kms_helper_poll_enable() instead performs the desired re-initialisation of the polling should the user have toggled the parameter, without the recursive side-effect. Signed-off-by: Chris Wilson Cc: Dave Airlie Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index d2ab01e..4238a19 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -104,7 +104,7 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector, connector->funcs->force(connector); } else { connector->status = connector->funcs->detect(connector); - drm_helper_hpd_irq_event(dev); + drm_kms_helper_poll_enable(dev); } if (connector->status == connector_status_disconnected) {