1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
index 3b5ca298..0b6b5913 100644
--- a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
@@ -514,6 +514,13 @@ static int gk20a_ctrl_vsm_mapping(struct gk20a *g,
         return err;
 }
 
+static int gk20a_ctrl_get_buffer_info(
+        struct gk20a *g, struct nvgpu_gpu_get_buffer_info_args *args)
+{
+        return gk20a_mm_get_buffer_info(dev_from_gk20a(g), args->in.dmabuf_fd,
+                                        &args->out.id, &args->out.length);
+}
+
 long gk20a_ctrl_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
         struct platform_device *dev = filp->private_data;
@@ -729,6 +736,10 @@ long gk20a_ctrl_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg
                         (struct nvgpu_gpu_vsms_mapping *)buf);
                 break;
 
+        case NVGPU_GPU_IOCTL_GET_BUFFER_INFO:
+                err = gk20a_ctrl_get_buffer_info(g,
+                        (struct nvgpu_gpu_get_buffer_info_args *)buf);
+                break;
 
         default:
                 dev_dbg(dev_from_gk20a(g), "unrecognized gpu ioctl cmd: 0x%x", cmd);