[PATCH] drm/gma500: remove set but not used variable 'channel_eq'

[Daniel Vetter]

On Sat, Nov 16, 2019 at 07:04:28PM +0800, zhengbin wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/gpu/drm/gma500/cdv_intel_dp.c: In function cdv_intel_dp_complete_link_train:
> drivers/gpu/drm/gma500/cdv_intel_dp.c:1596:7: warning: variable channel_eq set but not used [-Wunused-but-set-variable]
> 
> It is never used, so remove it.
> 
> Reported-by: Hulk Robot <hulkci at huawei.com>
> Signed-off-by: zhengbin <zhengbin13 at huawei.com>

Queued for 5.6 thanks for your patch.
-Daniel

> ---
>  drivers/gpu/drm/gma500/cdv_intel_dp.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c
> index 570b595..5772b2d 100644
> --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c
> +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c
> @@ -1594,7 +1594,6 @@ cdv_intel_dp_complete_link_train(struct gma_encoder *encoder)
>  {
>  	struct drm_device *dev = encoder->base.dev;
>  	struct cdv_intel_dp *intel_dp = encoder->dev_priv;
> -	bool channel_eq = false;
>  	int tries, cr_tries;
>  	u32 reg;
>  	uint32_t DP = intel_dp->DP;
> @@ -1602,7 +1601,6 @@ cdv_intel_dp_complete_link_train(struct gma_encoder *encoder)
>  	/* channel equalization */
>  	tries = 0;
>  	cr_tries = 0;
> -	channel_eq = false;
> 
>  	DRM_DEBUG_KMS("\n");
>  		reg = DP | DP_LINK_TRAIN_PAT_2;
> @@ -1648,7 +1646,6 @@ cdv_intel_dp_complete_link_train(struct gma_encoder *encoder)
> 
>  		if (cdv_intel_channel_eq_ok(encoder)) {
>  			DRM_DEBUG_KMS("PT2 train is done\n");
> -			channel_eq = true;
>  			break;
>  		}
> 
> --
> 2.7.4
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch