linux-kernel - Re: [PATCH 4/5] drm/amdgpu: fix build

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Date:   Fri, 30 Oct 2020 13:45:22 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Harry Wentland <harry.wentland@....com>
Cc:     Arnd Bergmann <arnd@...nel.org>, Leo Li <sunpeng.li@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Anthony Koo <Anthony.Koo@....com>,
        Krunoslav Kovac <Krunoslav.Kovac@....com>,
        Lewis Huang <Lewis.Huang@....com>, Aric Cyr <Aric.Cyr@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Denis Efremov <efremov@...ux.com>,
        Reza Amini <Reza.Amini@....com>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Josip Pavic <Josip.Pavic@....com>,
        Nicholas Kazlauskas <nicholas.kazlauskas@....com>
Subject: Re: [PATCH 4/5] drm/amdgpu: fix build_coefficients() argument

Applied.  Thanks!

Alex

On Fri, Oct 30, 2020 at 1:04 PM Harry Wentland <harry.wentland@....com> wrote:
>
>
>
> On 2020-10-29 11:53 p.m., Alex Deucher wrote:
> > On Mon, Oct 26, 2020 at 5:01 PM Arnd Bergmann <arnd@...nel.org> wrote:
> >>
> >> From: Arnd Bergmann <arnd@...db.de>
> >>
> >> gcc -Wextra warns about a function taking an enum argument
> >> being called with a bool:
> >>
> >> drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c: In function 'apply_degamma_for_user_regamma':
> >> drivers/gpu/drm/amd/amdgpu/../display/modules/color/color_gamma.c:1617:29: warning: implicit conversion from 'enum <anonymous>' to 'enum dc_transfer_func_predefined' [-Wenum-conversion]
> >>   1617 |  build_coefficients(&coeff, true);
> >>
> >> It appears that a patch was added using the old calling conventions
> >> after the type was changed, and the value should actually be 0
> >> (TRANSFER_FUNCTION_SRGB) here instead of 1 (true).
> >
> > This looks correct to me.  Harry, Leo?
> >
>
> Confirmed with Kruno, this is correct.
>
> Reviewed-by: Harry Wentland <harry.wentland@....com>
>
> Harry
>
> > Alex
> >
> >
> >>
> >> Fixes: 55a01d4023ce ("drm/amd/display: Add user_regamma to color module")
> >> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> >> ---
> >>   drivers/gpu/drm/amd/display/modules/color/color_gamma.c | 2 +-
> >>   1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
> >> index b8695660b480..09bc2c249e1a 100644
> >> --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
> >> +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
> >> @@ -1614,7 +1614,7 @@ static void apply_degamma_for_user_regamma(struct pwl_float_data_ex *rgb_regamma
> >>          struct pwl_float_data_ex *rgb = rgb_regamma;
> >>          const struct hw_x_point *coord_x = coordinates_x;
> >>
> >> -       build_coefficients(&coeff, true);
> >> +       build_coefficients(&coeff, TRANSFER_FUNCTION_SRGB);
> >>
> >>          i = 0;
> >>          while (i != hw_points_num + 1) {
> >> --
> >> 2.27.0
> >>
> >> _______________________________________________
> >> amd-gfx mailing list
> >> amd-gfx@...ts.freedesktop.org
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