diff mbox series

[2/2] drm/qxl: balance dumb_shadow_bo pin

Message ID 20210511104522.2694803-3-kraxel@redhat.com (mailing list archive)
State New, archived
Headers show
Series drm/qxl: two one-liner fixes. | expand

Commit Message

Gerd Hoffmann May 11, 2021, 10:45 a.m. UTC
The shadow bo is created in pinned state, so we have to unpin it when
dropping the reference.  Otherwise ttm is unhappy and throws a WARN()
on release.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 drivers/gpu/drm/qxl/qxl_display.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index be5183733c1b..9e0a1e836011 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -801,6 +801,7 @@  static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo,
 	    qdev->dumb_shadow_bo->surf.width  != surf.width ||
 	    qdev->dumb_shadow_bo->surf.height != surf.height) {
 		if (qdev->dumb_shadow_bo) {
+			qxl_bo_unpin(qdev->dumb_shadow_bo);
 			drm_gem_object_put
 				(&qdev->dumb_shadow_bo->tbo.base);
 			qdev->dumb_shadow_bo = NULL;