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Date:   Fri, 8 Jan 2021 16:17:01 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Leo Li <sunpeng.li@....com>, Mauro Rossi <issor.oruam@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        David Airlie <airlied@...ux.ie>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>
Subject: Re: [PATCH 28/40] drm/amd/display/dc/dce/dce_transform: Remove 3
 unused/legacy variables

On Fri, Jan 8, 2021 at 3:15 PM Lee Jones <lee.jones@...aro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c: In function ‘dce60_transform_set_scaler’:
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c:496:7: warning: variable ‘filter_updated’ set but not used [-Wunused-but-set-variable]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c: In function ‘dce60_transform_set_pixel_storage_depth’:
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c:1040:19: warning: variable ‘expan_mode’ set but not used [-Wunused-but-set-variable]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c:1040:6: warning: variable ‘pixel_depth’ set but not used [-Wunused-but-set-variable]
>
> Cc: Harry Wentland <harry.wentland@....com>
> Cc: Leo Li <sunpeng.li@....com>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: Mauro Rossi <issor.oruam@...il.com>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/display/dc/dce/dce_transform.c | 13 -------------
>  1 file changed, 13 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
> index 130a0a0c83329..6121bb7b009b8 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
> @@ -493,7 +493,6 @@ static void dce60_transform_set_scaler(
>  {
>         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
>         bool is_scaling_required;
> -       bool filter_updated = false;
>         const uint16_t *coeffs_v, *coeffs_h;
>
>         /*Use whole line buffer memory always*/
> @@ -558,7 +557,6 @@ static void dce60_transform_set_scaler(
>
>                         xfm_dce->filter_v = coeffs_v;
>                         xfm_dce->filter_h = coeffs_h;
> -                       filter_updated = true;
>                 }
>         }
>
> @@ -1037,34 +1035,23 @@ static void dce60_transform_set_pixel_storage_depth(
>         const struct bit_depth_reduction_params *bit_depth_params)
>  {
>         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
> -       int pixel_depth, expan_mode;
>         enum dc_color_depth color_depth;
>
>         switch (depth) {
>         case LB_PIXEL_DEPTH_18BPP:
>                 color_depth = COLOR_DEPTH_666;
> -               pixel_depth = 2;
> -               expan_mode  = 1;
>                 break;
>         case LB_PIXEL_DEPTH_24BPP:
>                 color_depth = COLOR_DEPTH_888;
> -               pixel_depth = 1;
> -               expan_mode  = 1;
>                 break;
>         case LB_PIXEL_DEPTH_30BPP:
>                 color_depth = COLOR_DEPTH_101010;
> -               pixel_depth = 0;
> -               expan_mode  = 1;
>                 break;
>         case LB_PIXEL_DEPTH_36BPP:
>                 color_depth = COLOR_DEPTH_121212;
> -               pixel_depth = 3;
> -               expan_mode  = 0;
>                 break;
>         default:
>                 color_depth = COLOR_DEPTH_101010;
> -               pixel_depth = 0;
> -               expan_mode  = 1;
>                 BREAK_TO_DEBUGGER();
>                 break;
>         }
> --
> 2.25.1
>
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> dri-devel@...ts.freedesktop.org
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