[v16,01/11] drm/i915: Use 64-bit division macro
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Message ID d220cb6bf508a070affb67734d297a9d4c3ab758.1591136989.git.gurus@codeaurora.org
State New
Headers show
Series
  • Convert PWM period and duty cycle to u64
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Commit Message

Guru Das Srinagesh June 2, 2020, 10:31 p.m. UTC
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>
---
 drivers/gpu/drm/i915/display/intel_panel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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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);