Re: [PATCH 16/40] drm/amd/pm/powerplay/smumgr/iceland_smumgr: Remove unused variable 'res'

Alex Deucher
2020-11-30T23:40:48Z

On Thu, Nov 26, 2020 at 8:43 AM Lee Jones <lee.jones@linaro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/iceland_smumgr.c: In function ‘iceland_thermal_setup_fan_table’:
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/iceland_smumgr.c:2093:6: warning: variable ‘res’ set but not used [-Wunused-but-set-variable]
>
> Cc: Evan Quan <evan.quan@amd.com>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: "Christian König" <christian.koenig@amd.com>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Daniel Vetter <daniel@ffwll.ch>
> Cc: Huang Rui <ray.huang@amd.com>
> Cc: amd-gfx@lists.freedesktop.org
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> ---
> drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c
> index 6a0f581de999b..2da5225eafbb8 100644
> --- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c
> +++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c
> @@ -2090,7 +2090,6 @@ static int iceland_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
> uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2;
> uint16_t fdo_min, slope1, slope2;
> uint32_t reference_clock;
> - int res;
> uint64_t tmp64;
>
> if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl))
> @@ -2154,7 +2153,7 @@ static int iceland_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
>
> /* fan_table.FanControl_GL_Flag = 1; */
>
> - res = smu7_copy_bytes_to_smc(hwmgr, smu7_data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), SMC_RAM_END);
> + smu7_copy_bytes_to_smc(hwmgr, smu7_data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), SMC_RAM_END);
>

Should probably just return the error. I'll fix it up. Thanks!

Alex

> return 0;
> }
> --
> 2.25.1
>
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