---
> >>>> From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org]
> >>>> On Behalf Of Jani Nikula Sent: Wednesday, September 24, 2014
> >>>> 10:08 AM To: Hans de Goede; Joe Konno;
> >>>> intel-gfx@lists.freedesktop.org Subject: Re: [Inte
f
>>>> Of Jani Nikula
>>>> Sent: Wednesday, September 24, 2014 10:08 AM
>>>> To: Hans de Goede; Joe Konno; intel-gfx@lists.freedesktop.org
>>>> Subject: Re: [Intel-gfx] [PATCH] drm/i915: intel_backlight scale() math WA
>>>> v2
>>>
September 24, 2014 10:08 AM
>>> To: Hans de Goede; Joe Konno; intel-gfx@lists.freedesktop.org
>>> Subject: Re: [Intel-gfx] [PATCH] drm/i915: intel_backlight scale() math WA
>>> v2
>>>
>>> On Wed, 24 Sep 2014, Hans de Goede wrote:
>>>> Hi
ntel-gfx@lists.freedesktop.org
>> Subject: Re: [Intel-gfx] [PATCH] drm/i915: intel_backlight scale() math WA v2
>>
>> On Wed, 24 Sep 2014, Hans de Goede wrote:
>>> Hi,
>>>
>>> On 09/24/2014 05:54 PM, Joe Konno wrote:
>>>> From: Joe Konno
>>>
t; > > Sent: Monday, September 29, 2014 6:07 AM
> > > To: Joe Konno; intel-gfx@lists.freedesktop.org
> > > Subject: Re: [Intel-gfx] [PATCH] drm/i915: intel_backlight scale() math
> > > WA v2
> > >
> > > On Wed, 24 Sep 2014, Joe Konno wrote:
>
ntel-gfx@lists.freedesktop.org
> > Subject: Re: [Intel-gfx] [PATCH] drm/i915: intel_backlight scale() math WA
> > v2
> >
> > On Wed, 24 Sep 2014, Joe Konno wrote:
> > > From: Joe Konno
> > >
> > > Improper truncated integer division in the scale()
ntel-gfx@lists.freedesktop.org
> > Subject: Re: [Intel-gfx] [PATCH] drm/i915: intel_backlight scale() math WA
> > v2
> >
> > On Wed, 24 Sep 2014, Joe Konno wrote:
> > > From: Joe Konno
> > >
> > > Improper truncated integer division in the scale()
> -Original Message-
> From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org] On Behalf Of
> Jani Nikula
> Sent: Monday, September 29, 2014 6:07 AM
> To: Joe Konno; intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH] drm/i915: intel_backlight
On Wed, 24 Sep 2014, Joe Konno wrote:
> From: Joe Konno
>
> Improper truncated integer division in the scale() function causes
> actual_brightness != brightness. This (partial) work-around should be
> sufficient for a majority of use-cases, but it is by no means a complete
> solution.
>
> TODO: D
> -Original Message-
> From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org] On Behalf Of
> Joe Konno
> Sent: Wednesday, September 24, 2014 8:55 AM
> To: intel-gfx@lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH] drm/i915: intel_backlight scale() math WA
> -Original Message-
> From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org] On Behalf Of
> Jani Nikula
> Sent: Wednesday, September 24, 2014 10:08 AM
> To: Hans de Goede; Joe Konno; intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH] drm/i91
On Wed, 24 Sep 2014, Hans de Goede wrote:
> Hi,
>
> On 09/24/2014 05:54 PM, Joe Konno wrote:
>> From: Joe Konno
>>
>> Improper truncated integer division in the scale() function causes
>> actual_brightness != brightness. This (partial) work-around should be
>> sufficient for a majority of use-ca
Hi,
On 09/24/2014 05:54 PM, Joe Konno wrote:
> From: Joe Konno
>
> Improper truncated integer division in the scale() function causes
> actual_brightness != brightness. This (partial) work-around should be
> sufficient for a majority of use-cases, but it is by no means a complete
> solution.
>
From: Joe Konno
Improper truncated integer division in the scale() function causes
actual_brightness != brightness. This (partial) work-around should be
sufficient for a majority of use-cases, but it is by no means a complete
solution.
TODO: Determine how best to scale "user" values to "hw" valu
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