On Wed, 06 Nov 2024, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Add pps_units_to_msecs() as the counterpart to msecs_pps_units_to().
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_pps.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c
> index 5be2903c6aaf..378a525eec16 100644
> --- a/drivers/gpu/drm/i915/display/intel_pps.c
> +++ b/drivers/gpu/drm/i915/display/intel_pps.c
> @@ -1468,6 +1468,12 @@ static int msecs_to_pps_units(int msecs)
> return msecs * 10;
> }
>
> +static int pps_units_to_msecs(int val)
> +{
> + /* PPS uses 100us units */
> + return DIV_ROUND_UP(val, 10);
> +}
> +
> static void pps_init_delays_bios(struct intel_dp *intel_dp,
> struct intel_pps_delays *bios)
> {
> @@ -1554,7 +1560,7 @@ static void pps_init_delays(struct intel_dp *intel_dp)
> assign_final(power_cycle);
> #undef assign_final
>
> -#define get_delay(field) (DIV_ROUND_UP(final->field, 10))
> +#define get_delay(field) pps_units_to_msecs(final->field)
> intel_dp->pps.panel_power_up_delay = get_delay(power_up);
> intel_dp->pps.backlight_on_delay = get_delay(backlight_on);
> intel_dp->pps.backlight_off_delay = get_delay(backlight_off);
--
Jani Nikula, Intel
