From: Alex Deucher <alexander.deucher@xxxxxxx> If we get a hotplug event on an connector that is off, don't attempt to turn it on or off, it should already be off. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=728228 Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxx --- drivers/gpu/drm/radeon/radeon_connectors.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index cbfca3a..8365f75 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -54,6 +54,10 @@ void radeon_connector_hotplug(struct drm_connector *connector) radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); + /* if the connector is already off, don't turn it back on */ + if (connector->dpms != DRM_MODE_DPMS_ON) + return; + /* powering up/down the eDP panel generates hpd events which * can interfere with modesetting. */ -- 1.7.1.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
