[PATCH] drm/amdgpu: remove unneeded variable

[baomingtong001 at 208suo.com]

fix the following coccicheck warning:

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c:1156:5-11: 
Unneeded variable: "result".

Signed-off-by: Mingtong Bao <baomingtong001 at 208suo.com>
---
  drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c 
b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c
index 21be23ec3c79..36aa7657c66d 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c
@@ -1153,7 +1153,6 @@ int smu7_enable_power_containment(struct pp_hwmgr 
*hwmgr)
      struct phm_ppt_v1_information *table_info =
              (struct phm_ppt_v1_information *)(hwmgr->pptable);
      int smc_result;
-    int result = 0;
      struct phm_cac_tdp_table *cac_table;

      data->power_containment_features = 0;
@@ -1191,7 +1190,7 @@ int smu7_enable_power_containment(struct pp_hwmgr 
*hwmgr)
              }
          }
      }
-    return result;
+    return 0;
  }

  int smu7_disable_power_containment(struct pp_hwmgr *hwmgr)