On Tue, Mar 10, 2020 at 06:41:20PM -0700, 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.jo...@linaro.org> > Cc: Daniel Thompson <daniel.thomp...@linaro.org> > Cc: Jingoo Han <jingooh...@gmail.com> > Cc: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com> > Cc: linux-...@vger.kernel.org > Cc: dri-devel@lists.freedesktop.org > Cc: linux-fb...@vger.kernel.org > > Signed-off-by: Guru Das Srinagesh <gu...@codeaurora.org>
Reviewed-by: Daniel Thompson <daniel.thomp...@linaro.org> > --- > drivers/video/backlight/pwm_bl.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > 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; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project > _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
