1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/nvhost.c b/drivers/gpu/nvgpu/common/linux/nvhost.c
index a76953e3..fa169cf0 100644
--- a/drivers/gpu/nvgpu/common/linux/nvhost.c
+++ b/drivers/gpu/nvgpu/common/linux/nvhost.c
@@ -166,6 +166,25 @@ u32 nvgpu_nvhost_syncpt_read_maxval(
         return nvhost_syncpt_read_maxval(nvhost_dev->host1x_pdev, id);
 }
 
+void nvgpu_nvhost_syncpt_set_safe_state(
+        struct nvgpu_nvhost_dev *nvhost_dev, u32 id)
+{
+        u32 val;
+
+        /*
+         * Add large number of increments to current value
+         * so that all waiters on this syncpoint are released
+         *
+         * We don't expect any case where more than 0x10000 increments
+         * are pending
+         */
+        val = nvhost_syncpt_read_minval(nvhost_dev->host1x_pdev, id);
+        val += 0x10000;
+
+        nvhost_syncpt_set_minval(nvhost_dev->host1x_pdev, id, val);
+        nvhost_syncpt_set_maxval(nvhost_dev->host1x_pdev, id, val);
+}
+
 int nvgpu_nvhost_create_symlink(struct gk20a *g)
 {
         struct device *dev = dev_from_gk20a(g);