On Thu, 19 Mar 2020, Guru Das Srinagesh wrote: > Since the PWM framework is switching struct pwm_state.period's datatype > to u64, prepare for this transition by using div_u64 to handle a 64-bit > dividend instead of a straight division operation. > > Cc: Lee Jones <lee.jones@xxxxxxxxxx> > Cc: Daniel Thompson <daniel.thompson@xxxxxxxxxx> > Cc: Jingoo Han <jingoohan1@xxxxxxxxx> > Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx> > Cc: linux-pwm@xxxxxxxxxxxxxxx > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Cc: linux-fbdev@xxxxxxxxxxxxxxx > > Signed-off-by: Guru Das Srinagesh <gurus@xxxxxxxxxxxxxx> > Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx> > --- > drivers/video/backlight/pwm_bl.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Can this patch be taken on its own? > diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c > index efb4efc..3e5dbcf 100644 > --- a/drivers/video/backlight/pwm_bl.c > +++ b/drivers/video/backlight/pwm_bl.c > @@ -625,7 +625,8 @@ static int pwm_backlight_probe(struct platform_device *pdev) > pb->scale = data->max_brightness; > } > > - pb->lth_brightness = data->lth_brightness * (state.period / pb->scale); > + pb->lth_brightness = data->lth_brightness * (div_u64(state.period, > + pb->scale)); > > props.type = BACKLIGHT_RAW; > props.max_brightness = data->max_brightness; -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
