Setup radeondrm burner task. Missed when updating to linux 4.4.

Fixes wsconsctl display.screen_off panic reported by Dmitry Murti.

1 files changed, 5 insertions, 0 deletions

diff --git a/sys/dev/pci/drm/radeon/radeon_fb.c b/sys/dev/pci/drm/radeon/radeon_fb.c
index 2d4f221c0fc..80d91f7e0a9 100644
--- a/sys/dev/pci/drm/radeon/radeon_fb.c
+++ b/sys/dev/pci/drm/radeon/radeon_fb.c
@@ -60,6 +60,7 @@ static struct fb_ops radeonfb_ops = {
 };
 #endif
 
+void radeondrm_burner_cb(void *);
 
 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled)
 {
@@ -381,6 +382,8 @@ int radeon_fbdev_init(struct radeon_device *rdev)
 	if (ret)
 		goto free;
 
+	task_set(&rdev->burner_task, radeondrm_burner_cb, rdev);
+
 	ret = drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
 	if (ret)
 		goto fini;
@@ -406,6 +409,8 @@ void radeon_fbdev_fini(struct radeon_device *rdev)
 	if (!rdev->mode_info.rfbdev)
 		return;
 
+	task_del(systq, &rdev->burner_task);
+
 #ifdef notyet
 	radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev);
 #endif