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

From: Guru Das Srinagesh
Date: Tue Apr 21 2020 - 22:58:04 EST


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

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);
--
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