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Date: Tue, 1 Dec 2020 09:00:47 -0500
From: Alex Deucher <alexdeucher@...il.com>
To: Lee Jones <lee.jones@...aro.org>
Cc: David Airlie <airlied@...ux.ie>,
LKML <linux-kernel@...r.kernel.org>,
amd-gfx list <amd-gfx@...ts.freedesktop.org>,
Maling list - DRI developers
<dri-devel@...ts.freedesktop.org>,
Alex Deucher <alexander.deucher@....com>,
Evan Quan <evan.quan@....com>,
Christian König <christian.koenig@....com>
Subject: Re: [PATCH 31/40] drm/amd/pm/powerplay/kv_dpm: Remove unused variable 'ret'
On Thu, Nov 26, 2020 at 8:43 AM Lee Jones <lee.jones@...aro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/kv_dpm.c: In function ‘kv_dpm_powergate_uvd’:
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/kv_dpm.c:1678:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/kv_dpm.c: In function ‘kv_dpm_powergate_vce’:
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/kv_dpm.c:1706:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
>
> Cc: Evan Quan <evan.quan@....com>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
Applied. Thanks!
Alex
> ---
> drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c | 18 ++++++++----------
> 1 file changed, 8 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c b/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c
> index 4b3faaccecb94..66daabebee358 100644
> --- a/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c
> +++ b/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c
> @@ -1675,14 +1675,13 @@ static void kv_dpm_powergate_uvd(void *handle, bool gate)
> {
> struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> struct kv_power_info *pi = kv_get_pi(adev);
> - int ret;
>
> pi->uvd_power_gated = gate;
>
> if (gate) {
> /* stop the UVD block */
> - ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
> - AMD_PG_STATE_GATE);
> + amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
> + AMD_PG_STATE_GATE);
> kv_update_uvd_dpm(adev, gate);
> if (pi->caps_uvd_pg)
> /* power off the UVD block */
> @@ -1694,8 +1693,8 @@ static void kv_dpm_powergate_uvd(void *handle, bool gate)
> /* re-init the UVD block */
> kv_update_uvd_dpm(adev, gate);
>
> - ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
> - AMD_PG_STATE_UNGATE);
> + amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
> + AMD_PG_STATE_UNGATE);
> }
> }
>
> @@ -1703,14 +1702,13 @@ static void kv_dpm_powergate_vce(void *handle, bool gate)
> {
> struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> struct kv_power_info *pi = kv_get_pi(adev);
> - int ret;
>
> pi->vce_power_gated = gate;
>
> if (gate) {
> /* stop the VCE block */
> - ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
> - AMD_PG_STATE_GATE);
> + amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
> + AMD_PG_STATE_GATE);
> kv_enable_vce_dpm(adev, false);
> if (pi->caps_vce_pg) /* power off the VCE block */
> amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerOFF);
> @@ -1719,8 +1717,8 @@ static void kv_dpm_powergate_vce(void *handle, bool gate)
> amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
> kv_enable_vce_dpm(adev, true);
> /* re-init the VCE block */
> - ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
> - AMD_PG_STATE_UNGATE);
> + amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
> + AMD_PG_STATE_UNGATE);
> }
> }
>
> --
> 2.25.1
>
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> dri-devel@...ts.freedesktop.org
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