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@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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.
*/