Commit 899c537c authored Jun 02, 2020 by Guru Das Srinagesh Committed by Thierry Reding Jun 16, 2020

drm/i915: Use 64-bit division macro



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.

Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

parent b3a9e3b9

drivers/gpu/drm/i915/display/intel_panel.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1929,7 +1929,7 @@ 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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