Re: [PATCH v13 01/11] drm/i915: Use 64-bit division macro

[Jani Nikula]

On Tue, 21 Apr 2020, Guru Das Srinagesh <gurus@xxxxxxxxxxxxxx> wrote:
> Since the PWM framework is switching struct pwm_state.duty_cycle's
> datatype to u64, prepare for this transition by using DIV_ROUND_UP_ULL
> to handle a 64-bit dividend.
>
> To: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: "Ville SyrjÃlÃ" <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
>

Superfluous blank line.

Anyway, please preserve the existing acks and reviews [1] so people
don't have to do it again.

BR,
Jani.

[1] http://lore.kernel.org/r/87h7yleb0i.fsf@xxxxxxxxx

> Signed-off-by: Guru Das Srinagesh <gurus@xxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_panel.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
> index 276f438..81547a0 100644
> --- a/drivers/gpu/drm/i915/display/intel_panel.c
> +++ b/drivers/gpu/drm/i915/display/intel_panel.c
> @@ -1920,7 +1920,7 @@ static int pwm_setup_backlight(struct intel_connector *connector,
>  		return retval;
>  	}
>  
> -	level = DIV_ROUND_UP(pwm_get_duty_cycle(panel->backlight.pwm) * 100,
> +	level = DIV_ROUND_UP_ULL(pwm_get_duty_cycle(panel->backlight.pwm) * 100,
>  			     CRC_PMIC_PWM_PERIOD_NS);
>  	panel->backlight.level =
>  		intel_panel_compute_brightness(connector, level);

-- 
Jani Nikula, Intel Open Source Graphics Center