1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
index 3541b567bbd8..b27e95666fab 100644
--- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
+++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
@@ -25,7 +25,7 @@ static void cirrus_dirty_update(struct cirrus_fbdev *afbdev,
         struct cirrus_bo *bo;
         int src_offset, dst_offset;
         int bpp = (afbdev->gfb.base.bits_per_pixel + 7)/8;
-        int ret;
+        int ret = -EBUSY;
         bool unmap = false;
         bool store_for_later = false;
         int x2, y2;
@@ -39,7 +39,8 @@ static void cirrus_dirty_update(struct cirrus_fbdev *afbdev,
          * then the BO is being moved and we should
          * store up the damage until later.
          */
-        ret = cirrus_bo_reserve(bo, true);
+        if (!in_interrupt())
+                ret = cirrus_bo_reserve(bo, true);
         if (ret) {
                 if (ret != -EBUSY)
                         return;