[PATCH] drm: Add directive to format code in comment

[Javier Garcia]

Fixes the warnings:

  Warning: ./drivers/gpu/drm/drm_gpuvm.c:2444: Unexpected indentation.
  Warning: ./drivers/gpu/drm/drm_gpuvm.c:2446: Block quote ends without a blank line; unexpected unindent.
  Warning: ./drivers/gpu/drm/drm_gpuvm.c:2450: Definition list ends without a blank line; unexpected unindent.
  Warning: ./drivers/gpu/drm/drm_gpuvm.c:2451: Definition list ends without a blank line; unexpected unindent.
  Warning: ./drivers/gpu/drm/drm_gpuvm.c:2455: Unexpected indentation.
  Warning: ./drivers/gpu/drm/drm_gpuvm.c:2456: Definition list ends without a blank line; unexpected unindent.
  Warning: ./drivers/gpu/drm/drm_gpuvm.c:2457: Definition list ends without a blank line; unexpected unindent.
  Warning: ./drivers/gpu/drm/drm_gpuvm.c:2458: Definition list ends without a blank line; unexpected unindent.

Signed-off-by: Javier Garcia <rampxxxx at gmail.com>
---
 drivers/gpu/drm/drm_gpuvm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/drm_gpuvm.c b/drivers/gpu/drm/drm_gpuvm.c
index bbc7fecb6f4a..74d949995a72 100644
--- a/drivers/gpu/drm/drm_gpuvm.c
+++ b/drivers/gpu/drm/drm_gpuvm.c
@@ -2432,6 +2432,8 @@ static const struct drm_gpuvm_ops lock_ops = {
  *
  * The expected usage is:
  *
+ * .. code-block:: c
+ *
  *    vm_bind {
  *        struct drm_exec exec;
  *
-- 
2.38.1