[PATCH] drm/amd/display: use swap() helper macro in bios_parser

[Alex Deucher]

Applied.  Thanks!

On Sun, Jan 15, 2023 at 4:26 AM Deepak R Varma <drv at mailo.com> wrote:
>
> Use swap() helper macro instead of open coded swap instructions. The
> change also facilitates code cleanup and realignment for improved
> readability.  Issue identified using swap.cocci Coccinelle semantic
> patch script.
>
> Signed-off-by: Deepak R Varma <drv at mailo.com>
> ---
>  drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 11 ++---------
>  1 file changed, 2 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
> index 074e70a5c458..7b5894adbf51 100644
> --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
> +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
> @@ -2929,7 +2929,6 @@ static enum bp_result construct_integrated_info(
>         struct atom_common_table_header *header;
>         struct atom_data_revision revision;
>
> -       struct clock_voltage_caps temp = {0, 0};
>         uint32_t i;
>         uint32_t j;
>
> @@ -3032,14 +3031,8 @@ static enum bp_result construct_integrated_info(
>         for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
>                 for (j = i; j > 0; --j) {
>                         if (info->disp_clk_voltage[j].max_supported_clk <
> -                               info->disp_clk_voltage[j-1].max_supported_clk
> -                               ) {
> -                               /* swap j and j - 1*/
> -                               temp = info->disp_clk_voltage[j-1];
> -                               info->disp_clk_voltage[j-1] =
> -                                       info->disp_clk_voltage[j];
> -                               info->disp_clk_voltage[j] = temp;
> -                       }
> +                           info->disp_clk_voltage[j-1].max_supported_clk)
> +                               swap(info->disp_clk_voltage[j-1], info->disp_clk_voltage[j]);
>                 }
>         }
>
> --
> 2.34.1
>
>
>