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From: Guru Das Srinagesh <gurus@codeaurora.org>
To: linux-pwm@vger.kernel.org
Cc: "Thierry Reding" <thierry.reding@gmail.com>,
	"Uwe Kleine-König" <uwe@kleine-koenig.org>,
	"Subbaraman Narayanamurthy" <subbaram@codeaurora.org>,
	linux-kernel@vger.kernel.org,
	"Guru Das Srinagesh" <gurus@codeaurora.org>,
	"Jani Nikula" <jani.nikula@linux.intel.com>,
	"Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>,
	"David Airlie" <airlied@linux.ie>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Chris Wilson" <chris@chris-wilson.co.uk>,
	"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
	intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>
Subject: [PATCH v9 01/11] drm/i915: Use 64-bit division macro
Date: Tue, 17 Mar 2020 13:05:16 -0700	[thread overview]
Message-ID: <19661821c8eb32291e72ec091c267f915c365c52.1584473399.git.gurus@codeaurora.org> (raw)
In-Reply-To: <cover.1584473399.git.gurus@codeaurora.org>
In-Reply-To: <cover.1584473399.git.gurus@codeaurora.org>

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.

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>
---
 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 bc14e9c..843cac1 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -1868,7 +1868,7 @@ static int pwm_setup_backlight(struct intel_connector *connector,
 
 	panel->backlight.min = 0; /* 0% */
 	panel->backlight.max = 100; /* 100% */
-	panel->backlight.level = DIV_ROUND_UP(
+	panel->backlight.level = DIV_ROUND_UP_ULL(
 				 pwm_get_duty_cycle(panel->backlight.pwm) * 100,
 				 CRC_PMIC_PWM_PERIOD_NS);
 	panel->backlight.enabled = panel->backlight.level != 0;
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


WARNING: multiple messages have this Message-ID (diff)
From: Guru Das Srinagesh <gurus@codeaurora.org>
To: linux-pwm@vger.kernel.org
Cc: "Guru Das Srinagesh" <gurus@codeaurora.org>,
	"Uwe Kleine-König" <uwe@kleine-koenig.org>,
	"David Airlie" <airlied@linux.ie>,
	intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	"Thierry Reding" <thierry.reding@gmail.com>,
	dri-devel@lists.freedesktop.org,
	"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
	"Subbaraman Narayanamurthy" <subbaram@codeaurora.org>
Subject: [PATCH v9 01/11] drm/i915: Use 64-bit division macro
Date: Tue, 17 Mar 2020 13:05:16 -0700	[thread overview]
Message-ID: <19661821c8eb32291e72ec091c267f915c365c52.1584473399.git.gurus@codeaurora.org> (raw)
In-Reply-To: <cover.1584473399.git.gurus@codeaurora.org>
In-Reply-To: <cover.1584473399.git.gurus@codeaurora.org>

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.

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>
---
 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 bc14e9c..843cac1 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -1868,7 +1868,7 @@ static int pwm_setup_backlight(struct intel_connector *connector,
 
 	panel->backlight.min = 0; /* 0% */
 	panel->backlight.max = 100; /* 100% */
-	panel->backlight.level = DIV_ROUND_UP(
+	panel->backlight.level = DIV_ROUND_UP_ULL(
 				 pwm_get_duty_cycle(panel->backlight.pwm) * 100,
 				 CRC_PMIC_PWM_PERIOD_NS);
 	panel->backlight.enabled = panel->backlight.level != 0;
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

WARNING: multiple messages have this Message-ID (diff)
From: Guru Das Srinagesh <gurus@codeaurora.org>
To: linux-pwm@vger.kernel.org
Cc: "Guru Das Srinagesh" <gurus@codeaurora.org>,
	"Uwe Kleine-König" <uwe@kleine-koenig.org>,
	"David Airlie" <airlied@linux.ie>,
	intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org,
	"Subbaraman Narayanamurthy" <subbaram@codeaurora.org>
Subject: [Intel-gfx] [PATCH v9 01/11] drm/i915: Use 64-bit division macro
Date: Tue, 17 Mar 2020 13:05:16 -0700	[thread overview]
Message-ID: <19661821c8eb32291e72ec091c267f915c365c52.1584473399.git.gurus@codeaurora.org> (raw)
In-Reply-To: <cover.1584473399.git.gurus@codeaurora.org>
In-Reply-To: <cover.1584473399.git.gurus@codeaurora.org>

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.

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>
---
 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 bc14e9c..843cac1 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -1868,7 +1868,7 @@ static int pwm_setup_backlight(struct intel_connector *connector,
 
 	panel->backlight.min = 0; /* 0% */
 	panel->backlight.max = 100; /* 100% */
-	panel->backlight.level = DIV_ROUND_UP(
+	panel->backlight.level = DIV_ROUND_UP_ULL(
 				 pwm_get_duty_cycle(panel->backlight.pwm) * 100,
 				 CRC_PMIC_PWM_PERIOD_NS);
 	panel->backlight.enabled = panel->backlight.level != 0;
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2020-03-17 20:06 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-17 20:05 [PATCH v9 00/11] Convert PWM period and duty cycle to u64 Guru Das Srinagesh
2020-03-17 20:05 ` [Intel-gfx] " Guru Das Srinagesh
2020-03-17 20:05 ` Guru Das Srinagesh
2020-03-17 20:05 ` Guru Das Srinagesh
2020-03-17 20:05 ` Guru Das Srinagesh [this message]
2020-03-17 20:05   ` [Intel-gfx] [PATCH v9 01/11] drm/i915: Use 64-bit division macro Guru Das Srinagesh
2020-03-17 20:05   ` Guru Das Srinagesh
2020-03-18 19:08   ` Jani Nikula
2020-03-18 19:08     ` [Intel-gfx] " Jani Nikula
2020-03-18 19:08     ` Jani Nikula
2020-03-18 19:08     ` Jani Nikula
2020-03-19 19:35     ` Guru Das Srinagesh
2020-03-19 19:35       ` [Intel-gfx] " Guru Das Srinagesh
2020-03-19 19:35       ` Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 02/11] hwmon: pwm-fan: " Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 03/11] ir-rx51: " Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 04/11] pwm: clps711x: " Guru Das Srinagesh
2020-03-17 22:22   ` Arnd Bergmann
2020-03-17 23:30     ` Guru Das Srinagesh
2020-03-18  9:49       ` Arnd Bergmann
2020-03-18 17:00         ` Guru Das Srinagesh
2020-03-18 19:38           ` Arnd Bergmann
2020-03-19 20:51             ` Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 05/11] pwm: pwm-imx-tpm: " Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 06/11] pwm: imx27: Use 64-bit division macro and function Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 07/11] pwm: sifive: Use 64-bit division macro Guru Das Srinagesh
2020-03-17 20:05   ` Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 08/11] pwm: stm32-lp: Use %llu format specifier for period Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 09/11] pwm: sun4i: Use 64-bit division function Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 10/11] backlight: pwm_bl: " Guru Das Srinagesh
2020-03-17 20:05   ` Guru Das Srinagesh
2020-03-17 20:05   ` Guru Das Srinagesh
2020-03-17 20:05 ` [PATCH v9 11/11] pwm: core: Convert period and duty cycle to u64 Guru Das Srinagesh
2020-03-18 18:51   ` kbuild test robot
2020-03-18 18:51     ` kbuild test robot

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