[PATCH 2/5] drm/amd/amdgpu/cz_dpm: Remove unused variable

[Muhammad Falak R Wani]

Remove unused variable 'ret' from functions where it
was not used anyway, and directly return 0.

Signed-off-by: Muhammad Falak R Wani <falakreyaz at gmail.com>
---
 drivers/gpu/drm/amd/amdgpu/cz_dpm.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
index bf1847b..2f4ed17 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
@@ -1579,7 +1579,6 @@ static int cz_dpm_update_sclk_limit(struct amdgpu_device *adev)
 
 static int cz_dpm_set_deep_sleep_sclk_threshold(struct amdgpu_device *adev)
 {
-	int ret = 0;
 	struct cz_power_info *pi = cz_get_pi(adev);
 
 	if (pi->caps_sclk_ds) {
@@ -1588,20 +1587,19 @@ static int cz_dpm_set_deep_sleep_sclk_threshold(struct amdgpu_device *adev)
 				CZ_MIN_DEEP_SLEEP_SCLK);
 	}
 
-	return ret;
+	return 0;
 }
 
 /* ?? without dal support, is this still needed in setpowerstate list*/
 static int cz_dpm_set_watermark_threshold(struct amdgpu_device *adev)
 {
-	int ret = 0;
 	struct cz_power_info *pi = cz_get_pi(adev);
 
 	cz_send_msg_to_smc_with_parameter(adev,
 			PPSMC_MSG_SetWatermarkFrequency,
 			pi->sclk_dpm.soft_max_clk);
 
-	return ret;
+	return 0;
 }
 
 static int cz_dpm_enable_nbdpm(struct amdgpu_device *adev)
@@ -1636,7 +1634,6 @@ static void cz_dpm_nbdpm_lm_pstate_enable(struct amdgpu_device *adev,
 
 static int cz_dpm_update_low_memory_pstate(struct amdgpu_device *adev)
 {
-	int ret = 0;
 	struct cz_power_info *pi = cz_get_pi(adev);
 	struct cz_ps *ps = &pi->requested_ps;
 
@@ -1647,21 +1644,19 @@ static int cz_dpm_update_low_memory_pstate(struct amdgpu_device *adev)
 			cz_dpm_nbdpm_lm_pstate_enable(adev, true);
 	}
 
-	return ret;
+	return 0;
 }
 
 /* with dpm enabled */
 static int cz_dpm_set_power_state(struct amdgpu_device *adev)
 {
-	int ret = 0;
-
 	cz_dpm_update_sclk_limit(adev);
 	cz_dpm_set_deep_sleep_sclk_threshold(adev);
 	cz_dpm_set_watermark_threshold(adev);
 	cz_dpm_enable_nbdpm(adev);
 	cz_dpm_update_low_memory_pstate(adev);
 
-	return ret;
+	return 0;
 }
 
 static void cz_dpm_post_set_power_state(struct amdgpu_device *adev)
-- 
1.9.1