at 16:26, Jani Nikula wrote:
On Tue, 23 Jul 2019, Kai-Heng Feng wrote:
Hi,
Currently, OLED panel brightness [1] is not supported.
As a general statement this is not true, and not backed up by the
referenced bug. We just don't know how brightness is controlled on that
particular laptop,
On Mon, 29 Jul 2019, Kai-Heng Feng wrote:
> at 16:26, Jani Nikula wrote:
>
>> On Tue, 23 Jul 2019, Kai-Heng Feng wrote:
>>> Hi,
>>>
>>> Currently, OLED panel brightness [1] is not supported.
>>
>> As a general statement this is not true, and not backed up by the
>> referenced bug. We just don't
On Thu, 25 Jul 2019, Daniel Vetter wrote:
> On Thu, Jul 25, 2019 at 03:35:40PM +0800, Kai-Heng Feng wrote:
>> The next question is, how do we change the brightness level for OLED
>> displays? Is changing gamma value a good way to do it?
>
> There's no overall amplifier knob to set general
On Tue, 23 Jul 2019, Kai-Heng Feng wrote:
> Hi,
>
> Currently, OLED panel brightness [1] is not supported.
As a general statement this is not true, and not backed up by the
referenced bug. We just don't know how brightness is controlled on that
particular laptop, because it apparently uses a
at 00:03, wrote:
-Original Message-
From: Daniel Vetter On Behalf Of Daniel Vetter
Sent: Wednesday, July 24, 2019 6:49 AM
To: Kai-Heng Feng
Cc: dri-devel@lists.freedesktop.org; Anthony Wong; Limonciello, Mario
Subject: Re: OLED panel brightness support
[EXTERNAL EMAIL]
On Tue, Jul
Hi Daniel.
> >
> > Hmm... browsing backlight code I see that FB_EARLY_EVENT_BLANK and
> > FB_R_EARLY_EVENT_BLANK
> > are not used - time to delete some code...
>
> 5.3-rc1 has patches from me to fix that, it's gone already. These two
> events are gone from the backlight code. They're still used
On Thu, Jul 25, 2019 at 3:12 PM Sam Ravnborg wrote:
>
> Hi Daniel.
>
> >
> > > The next question is, how do we change the brightness level for OLED
> > > displays? Is changing gamma value a good way to do it?
> >
> > There's no overall amplifier knob to set general brightness on these?
>
> I just
Hi Daniel.
>
> > The next question is, how do we change the brightness level for OLED
> > displays? Is changing gamma value a good way to do it?
>
> There's no overall amplifier knob to set general brightness on these?
I just looked up two random OLED controllers.
They have a "Contrast" -
; Cc: dri-devel@lists.freedesktop.org; Anthony Wong; Limonciello, Mario
> > > Subject: Re: OLED panel brightness support
> > >
> > >
> > > [EXTERNAL EMAIL]
> > >
> > > On Tue, Jul 23, 2019 at 06:46:55PM +0800, Kai-Heng Feng wrote:
> >
On Tue, Jul 23, 2019 at 06:46:55PM +0800, Kai-Heng Feng wrote:
> Hi,
>
> Currently, OLED panel brightness [1] is not supported.
> We have a similar Dell system that also affect by lack of OLED brightness
> support.
>
> I’ve investigated both kernel and user space but I haven’t found a good
>
Hi,
Currently, OLED panel brightness [1] is not supported.
We have a similar Dell system that also affect by lack of OLED brightness
support.
I’ve investigated both kernel and user space but I haven’t found a good
general solution yet.
Dell systems use EDID descriptor 4 as Dell specific
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