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From:   Alex Deucher <alexdeucher@gmail.com>
Date:   Mon, 30 Nov 2020 19:00:47 -0500
Message-ID: <CADnq5_OoA_mGiDmW=P4CW-KYNsR9W2Fu8uFwXzm_mQGBTJqkKQ@mail.gmail.com>
Subject: Re: [PATCH 33/40] drm/amd/display/dc/inc/hw/dpp: Mark
 'dpp_input_csc_matrix' as __maybe_unused
To:     Lee Jones <lee.jones@linaro.org>
Cc:     Leo Li <sunpeng.li@amd.com>, LKML <linux-kernel@vger.kernel.org>,
        amd-gfx list <amd-gfx@lists.freedesktop.org>,
        David Airlie <airlied@linux.ie>,
        Maling list - DRI developers 
        <dri-devel@lists.freedesktop.org>,
        Alex Deucher <alexander.deucher@amd.com>,
        =?UTF-8?Q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>
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On Thu, Nov 26, 2020 at 8:43 AM Lee Jones <lee.jones@linaro.org> wrote:
>
> 'dpp_input_csc_matrix' is used by some, but not all source files which
> include dpp.h.
>
> Fixes the following W=3D1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/../display/dc/inc/hw/dpp.h:50:42: warning: =
=E2=80=98dpp_input_csc_matrix=E2=80=99 defined but not used [-Wunused-const=
-variable=3D]
>
> NB: Snipped lots of these for brevity
>
> Cc: Harry Wentland <harry.wentland@amd.com>
> Cc: Leo Li <sunpeng.li@amd.com>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: "Christian K=C3=B6nig" <christian.koenig@amd.com>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Daniel Vetter <daniel@ffwll.ch>
> Cc: amd-gfx@lists.freedesktop.org
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@linaro.org>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h b/drivers/gpu/dr=
m/amd/display/dc/inc/hw/dpp.h
> index 6751186f6f904..ddbe4bb52724a 100644
> --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
> +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
> @@ -47,7 +47,7 @@ struct dpp_input_csc_matrix {
>         uint16_t regval[12];
>  };
>
> -static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] =3D {
> +static const struct dpp_input_csc_matrix __maybe_unused dpp_input_csc_ma=
trix[] =3D {
>         {COLOR_SPACE_SRGB,
>                 {0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
>         {COLOR_SPACE_SRGB_LIMITED,
> --
> 2.25.1
>
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