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Message-Id: <4b56ba06f4f1e63cf50858d3e45c88057dc443e4.1588616856.git.gurus@codeaurora.org>
Date: Mon, 4 May 2020 11:50:07 -0700
From: Guru Das Srinagesh <gurus@...eaurora.org>
To: linux-pwm@...r.kernel.org,
Thierry Reding <thierry.reding@...il.com>,
Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>
Cc: Subbaraman Narayanamurthy <subbaram@...eaurora.org>,
David Collins <collinsd@...eaurora.org>,
linux-kernel@...r.kernel.org, Joe Perches <joe@...ches.com>,
Arnd Bergmann <arnd@...db.de>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Guenter Roeck <linux@...ck-us.net>,
Daniel Thompson <daniel.thompson@...aro.org>,
Dan Carpenter <dan.carpenter@...cle.com>,
Guru Das Srinagesh <gurus@...eaurora.org>
Subject: [RESEND PATCH v14 01/11] 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@...eaurora.org>
Reviewed-by: Jani Nikula <jani.nikula@...el.com>
Acked-by: Jani Nikula <jani.nikula@...el.com>
---
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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