drm/radeon: call hpd_irq_event on resume

commit dbb17a21c131eca94eb31136eee9a7fe5aff00d9 upstream.

Need to call this on resume if displays changes during
suspend in order to properly be notified of changes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Deucher 2015-11-24 14:32:44 -05:00 committed by Greg Kroah-Hartman
parent 7d124d8895
commit b36e52c44c

View file

@ -1744,6 +1744,7 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
}
drm_kms_helper_poll_enable(dev);
drm_helper_hpd_irq_event(dev);
/* set the power state here in case we are a PX system or headless */
if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)