radeon: introduce a dp_work handler
This is to be called on short HPD irqs, just introduce
the basic infrastructure for it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 00fc597..e82ae81 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -87,6 +87,9 @@
drm_helper_hpd_irq_event(dev);
}
+static void radeon_dp_work_func(struct work_struct *work)
+{
+}
/**
* radeon_driver_irq_preinstall_kms - drm irq preinstall callback
*
@@ -276,6 +279,7 @@
}
INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func);
+ INIT_WORK(&rdev->dp_work, radeon_dp_work_func);
INIT_WORK(&rdev->audio_work, r600_audio_update_hdmi);
rdev->irq.installed = true;