From: Jani Nikula <jani.nikula@linux.intel.com>
To: Guru Das Srinagesh <gurus@codeaurora.org>, linux-pwm@vger.kernel.org
Cc: "Guru Das Srinagesh" <gurus@codeaurora.org>,
"David Collins" <collinsd@codeaurora.org>,
"David Airlie" <airlied@linux.ie>,
intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org,
"Chris Wilson" <chris@chris-wilson.co.uk>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Subbaraman Narayanamurthy" <subbaram@codeaurora.org>
Subject: Re: [PATCH v13 01/11] drm/i915: Use 64-bit division macro
Date: Fri, 24 Apr 2020 09:17:58 +0300 [thread overview]
Message-ID: <87ftctbe5l.fsf@intel.com> (raw)
In-Reply-To: <4a3acf8673c08308848fb7ae73d992b6feb758d3.1587523702.git.gurus@codeaurora.org>
On Tue, 21 Apr 2020, Guru Das Srinagesh <gurus@codeaurora.org> wrote:
> 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@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
>
Superfluous blank line.
Anyway, please preserve the existing acks and reviews [1] so people
don't have to do it again.
BR,
Jani.
[1] http://lore.kernel.org/r/87h7yleb0i.fsf@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 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);
--
Jani Nikula, Intel Open Source Graphics Center
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next prev parent reply other threads:[~2020-04-24 6:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 2:57 [PATCH v13 00/11] Convert PWM period and duty cycle to u64 Guru Das Srinagesh
2020-04-22 2:57 ` [PATCH v13 01/11] drm/i915: Use 64-bit division macro Guru Das Srinagesh
2020-04-24 6:17 ` Jani Nikula [this message]
2020-04-24 22:17 ` Guru Das Srinagesh
2020-04-27 13:48 ` Jani Nikula
2020-04-22 2:57 ` [PATCH v13 09/11] backlight: pwm_bl: Use 64-bit division function Guru Das Srinagesh
2020-05-26 7:00 ` Lee Jones
2020-04-22 8:49 ` [PATCH v13 00/11] Convert PWM period and duty cycle to u64 Daniel Thompson
2020-04-22 23:37 ` Guru Das Srinagesh
2020-04-23 9:20 ` Daniel Thompson
2020-04-23 11:48 ` Lee Jones
2020-04-23 21:53 ` Guru Das Srinagesh
2020-04-24 6:43 ` Lee Jones
2020-04-24 22:14 ` Guru Das Srinagesh
2020-04-27 6:44 ` Lee Jones
2020-04-24 6:45 ` Lee Jones
2020-04-24 6:46 ` Lee Jones
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