Re: [PATCH] drm/amd/display: Simplify bool comparison

[Jani Nikula]

On Wed, 13 Jan 2021, Yang Li <abaci-bugfix@xxxxxxxxxxxxxxxxx> wrote:
> Fix the following coccicheck warning:
> ./drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c:580:23-31:
> WARNING: Comparison to bool
>
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Yang Li <abaci-bugfix@xxxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c
> index 4d3f7d5..904c2d2 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c
> @@ -577,7 +577,7 @@ void dpp1_power_on_degamma_lut(
>  	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
>  
>  	REG_SET(CM_MEM_PWR_CTRL, 0,
> -			SHARED_MEM_PWR_DIS, power_on == true ? 0:1);
> +			SHARED_MEM_PWR_DIS, power_on ? 0:1);

Not my driver, but this is as simple as it gets:

+			SHARED_MEM_PWR_DIS, !power_on);


>  
>  }

-- 
Jani Nikula, Intel Open Source Graphics Center