Re: [PATCH -next] drm/amd/display: remove set but not used variable 'core_freesync'

From: Harry Wentland
Date: Mon Oct 07 2019 - 10:06:51 EST


On 2019-10-06 6:57 a.m., YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> rivers/gpu/drm/amd/amdgpu/../display/modules/freesync/freesync.c:
> In function mod_freesync_get_settings:
> drivers/gpu/drm/amd/amdgpu/../display/modules/freesync/freesync.c:984:24:
> warning: variable core_freesync set but not used [-Wunused-but-set-variable]
>
> It is not used since commit 98e6436d3af5 ("drm/amd/display: Refactor FreeSync module")
>
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>

Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>

Harry

> ---
> drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
> index 9ce56a8..237dda7 100644
> --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
> +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
> @@ -981,13 +981,9 @@ void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
> unsigned int *inserted_frames,
> unsigned int *inserted_duration_in_us)
> {
> - struct core_freesync *core_freesync = NULL;
> -
> if (mod_freesync == NULL)
> return;
>
> - core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
> -
> if (vrr->supported) {
> *v_total_min = vrr->adjust.v_total_min;
> *v_total_max = vrr->adjust.v_total_max;
>