[RFC PATCH radeon-alex] drm/amdgpu: amdgpu_kiq_reg_write_reg_wait() can be static

[kbuild test robot]

Fixes: d790449835e6 ("drm/amdgpu: use kiq to do invalidate tlb")
Signed-off-by: kbuild test robot <fengguang.wu at intel.com>
---
 gmc_v9_0.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 0bf8439..4dd5769 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -311,7 +311,7 @@ static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid)
 	return req;
 }
 
-signed long  amdgpu_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
+static signed long  amdgpu_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
 						  uint32_t reg0, uint32_t reg1,
 						  uint32_t ref, uint32_t mask)
 {