From: Alex Deucher <alexdeucher@gmail.com>
To: YueHaibing <yuehaibing@huawei.com>
Cc: Chunming Zhou <David1.Zhou@amd.com>,
"Leo \(Sunpeng\) Li" <sunpeng.li@amd.com>,
Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>,
Zhan Liu <Zhan.Liu@amd.com>, LKML <linux-kernel@vger.kernel.org>,
Maling list - DRI developers <dri-devel@lists.freedesktop.org>,
Dave Airlie <airlied@linux.ie>,
amd-gfx list <amd-gfx@lists.freedesktop.org>,
Daniel Vetter <daniel@ffwll.ch>,
"Deucher, Alexander" <alexander.deucher@amd.com>,
Jun Lei <Jun.Lei@amd.com>,
"Wentland, Harry" <harry.wentland@amd.com>,
Christian Koenig <christian.koenig@amd.com>,
Anthony Koo <Anthony.Koo@amd.com>
Subject: Re: [PATCH v2 -next] drm/amd/display: remove set but not used variable 'bpc'
Date: Tue, 12 Nov 2019 10:52:40 -0500 [thread overview]
Message-ID: <CADnq5_Mj5vHSrXq-tkwoRQ+fejfosSnRpia54MpsTddvKzothA@mail.gmail.com> (raw)
Message-ID: <20191112155240.Bz3FTdhZJSDmuzE_ZRW15NakzqlpT2MDre34UtAKEtQ@z> (raw)
In-Reply-To: <20191112021050.13128-1-yuehaibing@huawei.com>
On Tue, Nov 12, 2019 at 3:13 AM YueHaibing <yuehaibing@huawei.com> wrote:
>
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c: In function get_pbn_from_timing:
> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:2364:11: warning:
> variable bpc set but not used [-Wunused-but-set-variable]
>
> It is not used since commit e49f69363adf ("drm/amd/display: use
> proper formula to calculate bandwidth from timing"), this also
> remove get_color_depth(), which is only used here.
>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Applied. Thanks!
Alex
> ---
> v2: also remove unused get_color_depth()
> ---
> drivers/gpu/drm/amd/display/dc/core/dc_link.c | 15 ---------------
> 1 file changed, 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> index bdc8be3..1be4277 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> @@ -2638,28 +2638,13 @@ static struct fixed31_32 get_pbn_per_slot(struct dc_stream_state *stream)
> return dc_fixpt_div_int(mbytes_per_sec, 54);
> }
>
> -static int get_color_depth(enum dc_color_depth color_depth)
> -{
> - switch (color_depth) {
> - case COLOR_DEPTH_666: return 6;
> - case COLOR_DEPTH_888: return 8;
> - case COLOR_DEPTH_101010: return 10;
> - case COLOR_DEPTH_121212: return 12;
> - case COLOR_DEPTH_141414: return 14;
> - case COLOR_DEPTH_161616: return 16;
> - default: return 0;
> - }
> -}
> -
> static struct fixed31_32 get_pbn_from_timing(struct pipe_ctx *pipe_ctx)
> {
> - uint32_t bpc;
> uint64_t kbps;
> struct fixed31_32 peak_kbps;
> uint32_t numerator;
> uint32_t denominator;
>
> - bpc = get_color_depth(pipe_ctx->stream_res.pix_clk_params.color_depth);
> kbps = dc_bandwidth_in_kbps_from_timing(&pipe_ctx->stream->timing);
>
> /*
> --
> 2.7.4
>
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
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next prev parent reply other threads:[~2019-11-12 15:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-09 9:35 [PATCH -next] drm/amd/display: remove set but not used variable 'bpc' YueHaibing
2019-11-09 9:35 ` YueHaibing
2019-11-11 18:01 ` Alex Deucher
2019-11-11 18:01 ` Alex Deucher
[not found] ` <CADnq5_O7JwQd4+ncEe+KusqNqPBGXgkcUBX6VHP5OjhNwUseWg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-11-11 20:27 ` Alex Deucher
2019-11-11 20:27 ` Alex Deucher
2019-11-12 2:10 ` [PATCH v2 " YueHaibing
2019-11-12 2:10 ` YueHaibing
2019-11-12 15:52 ` Alex Deucher [this message]
2019-11-12 15:52 ` Alex Deucher
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