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drm/amd/amdgpu/cz_dpm: Remove unused variable

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

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Muhammad Falak R Wani 2016-05-17 15:12:44 +05:30 committed by Alex Deucher
parent 734711b71d
commit d05f2c7aeb
1 changed files with 4 additions and 9 deletions
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13
drivers/gpu/drm/amd/amdgpu/cz_dpm.c
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@ -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)