Re: [PATCH 08/30] drm/radeon/ci_dpm: Remove set but unused variable 'dpm_event_src'

From: Alex Deucher
Date: Tue Nov 10 2020 - 18:42:20 EST


On Tue, Nov 10, 2020 at 2:31 PM Lee Jones <lee.jones@xxxxxxxxxx> wrote:
>
> And the piece of code that has never been executed.
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/radeon/ci_dpm.c: In function ‘ci_set_dpm_event_sources’:
> drivers/gpu/drm/radeon/ci_dpm.c:1369:28: warning: variable ‘dpm_event_src’ set but not used [-Wunused-but-set-variable]
>
> Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> Cc: "Christian König" <christian.koenig@xxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>

Applied. Thanks!

Alex

> ---
> drivers/gpu/drm/radeon/ci_dpm.c | 12 ------------
> 1 file changed, 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
> index 886e9959496fe..8324aca5fd006 100644
> --- a/drivers/gpu/drm/radeon/ci_dpm.c
> +++ b/drivers/gpu/drm/radeon/ci_dpm.c
> @@ -1366,7 +1366,6 @@ static void ci_set_dpm_event_sources(struct radeon_device *rdev, u32 sources)
> {
> struct ci_power_info *pi = ci_get_pi(rdev);
> bool want_thermal_protection;
> - enum radeon_dpm_event_src dpm_event_src;
> u32 tmp;
>
> switch (sources) {
> @@ -1376,28 +1375,17 @@ static void ci_set_dpm_event_sources(struct radeon_device *rdev, u32 sources)
> break;
> case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL):
> want_thermal_protection = true;
> - dpm_event_src = RADEON_DPM_EVENT_SRC_DIGITAL;
> break;
> case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL):
> want_thermal_protection = true;
> - dpm_event_src = RADEON_DPM_EVENT_SRC_EXTERNAL;
> break;
> case ((1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL) |
> (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL)):
> want_thermal_protection = true;
> - dpm_event_src = RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL;
> break;
> }
>
> if (want_thermal_protection) {
> -#if 0
> - /* XXX: need to figure out how to handle this properly */
> - tmp = RREG32_SMC(CG_THERMAL_CTRL);
> - tmp &= DPM_EVENT_SRC_MASK;
> - tmp |= DPM_EVENT_SRC(dpm_event_src);
> - WREG32_SMC(CG_THERMAL_CTRL, tmp);
> -#endif
> -
> tmp = RREG32_SMC(GENERAL_PWRMGT);
> if (pi->thermal_protection)
> tmp &= ~THERMAL_PROTECTION_DIS;
> --
> 2.25.1
>
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