linux-kernel - Re: [PATCH -next] drm/i915: Remove set but not used variable 'intel_dig

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Message-ID: <20190705124204.GO5942@intel.com>
Date:   Fri, 5 Jul 2019 15:42:04 +0300
From:   Ville Syrjälä <ville.syrjala@...ux.intel.com>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        rodrigo.vivi@...el.com, airlied@...ux.ie, daniel@...ll.ch,
        lucas.demarchi@...el.com, imre.deak@...el.com,
        jose.souza@...el.com, intel-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH -next] drm/i915: Remove set but not used variable
 'intel_dig_port'

On Fri, Jul 05, 2019 at 11:31:38AM +0000, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/gpu/drm/i915/display/intel_ddi.c: In function 'intel_ddi_get_config':
> drivers/gpu/drm/i915/display/intel_ddi.c:3774:29: warning:
>  variable 'intel_dig_port' set but not used [-Wunused-but-set-variable]
>   struct intel_digital_port *intel_dig_port;
> 
> It is never used, so can be removed.
> 
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>

Applied to drm-intel-next-queued. Thanks for the patch.

> ---
>  drivers/gpu/drm/i915/display/intel_ddi.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index a4172595c8d8..30e48609db1d 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -3771,7 +3771,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
>  	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
>  	struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->base.crtc);
>  	enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
> -	struct intel_digital_port *intel_dig_port;
>  	u32 temp, flags = 0;
>  
>  	/* XXX: DSI transcoder paranoia */
> @@ -3810,7 +3809,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
>  	switch (temp & TRANS_DDI_MODE_SELECT_MASK) {
>  	case TRANS_DDI_MODE_SELECT_HDMI:
>  		pipe_config->has_hdmi_sink = true;
> -		intel_dig_port = enc_to_dig_port(&encoder->base);
>  
>  		pipe_config->infoframes.enable |=
>  			intel_hdmi_infoframes_enabled(encoder, pipe_config);
> 
> 

-- 
Ville Syrjälä
Intel