[PATCH -next] drm/vc4: v3d: make render_wait static

[ruanjinjie]

The symbol is not used outside of the file, so mark it static.

Fixes the following warning:

./drivers/gpu/drm/vc4/vc4_irq.c:60:1: warning: symbol 'render_wait'
was not declared. Should it be static?

Signed-off-by: ruanjinjie <ruanjinjie at huawei.com>
---
 drivers/gpu/drm/vc4/vc4_irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vc4/vc4_irq.c b/drivers/gpu/drm/vc4/vc4_irq.c
index 1e6db0121ccd..86d799f0253e 100644
--- a/drivers/gpu/drm/vc4/vc4_irq.c
+++ b/drivers/gpu/drm/vc4/vc4_irq.c
@@ -57,7 +57,7 @@
 			 V3D_INT_FLDONE | \
 			 V3D_INT_FRDONE)
 
-DECLARE_WAIT_QUEUE_HEAD(render_wait);
+static DECLARE_WAIT_QUEUE_HEAD(render_wait);
 
 static void
 vc4_overflow_mem_work(struct work_struct *work)
-- 
2.25.1