[PATCH] drm/amdgpu: declare static function to fix compiler warning

[Wang, Yang(Kevin)]

[AMD Official Use Only]

Reviewed-by: Kevin Wang <kevinyang.wang at amd.com>

It is reasonable to modify it to a static function, which can be matched with function of acquire_psp_cmd_buf() .

Best Regards,
Kevin
________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Guchun Chen <guchun.chen at amd.com>
Sent: Friday, November 26, 2021 1:16 PM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>; Deucher, Alexander <Alexander.Deucher at amd.com>; Koenig, Christian <Christian.Koenig at amd.com>; Pan, Xinhui <Xinhui.Pan at amd.com>; Clements, John <John.Clements at amd.com>
Cc: Chen, Guchun <Guchun.Chen at amd.com>
Subject: [PATCH] drm/amdgpu: declare static function to fix compiler warning

>> drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:503:6: warning: no previous prototype for function 'release_psp_cmd_buf' [-Wmissing-prototypes]
   void release_psp_cmd_buf(struct psp_context *psp)
        ^
   drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:503:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void release_psp_cmd_buf(struct psp_context *psp)
   ^
   static
   1 warning generated.

Reported-by: kernel test robot <lkp at intel.com>
Signed-off-by: Guchun Chen <guchun.chen at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index c641f84649d6..b48d68d30d80 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -518,7 +518,7 @@ static struct psp_gfx_cmd_resp *acquire_psp_cmd_buf(struct psp_context *psp)
         return cmd;
 }

-void release_psp_cmd_buf(struct psp_context *psp)
+static void release_psp_cmd_buf(struct psp_context *psp)
 {
         mutex_unlock(&psp->mutex);
 }
--
2.17.1

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