Re: [PATCH 4/5] drm/amdgpu: fix build_coefficients() argument

From: Alex Deucher
Date: Fri Oct 30 2020 - 13:45:37 EST


Applied. Thanks!

Alex

On Fri, Oct 30, 2020 at 1:04 PM Harry Wentland <harry.wentland@xxxxxxx> wrote:
>
>
>
> On 2020-10-29 11:53 p.m., Alex Deucher wrote:
> > On Mon, Oct 26, 2020 at 5:01 PM Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
> >>
> >> From: Arnd Bergmann <arnd@xxxxxxxx>
> >>
> >> 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@xxxxxxx>
>
> Harry
>
> > Alex
> >
> >
> >>
> >> Fixes: 55a01d4023ce ("drm/amd/display: Add user_regamma to color module")
> >> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> >> ---
> >> 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
> >>
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