From: Jani Nikula <jani.nikula@linux.intel.com>
To: Vinay Simha <simhavcs@gmail.com>
Cc: open list <linux-kernel@vger.kernel.org>,
"open list:DRM DRIVERS" <dri-devel@lists.freedesktop.org>,
Archit Taneja <archit.taneja@gmail.com>
Subject: Re: [PATCH 2/2] drm/dsi: Implement dcs backlight brightness
Date: Mon, 06 Jun 2016 21:04:36 +0300 [thread overview]
Message-ID: <87wpm26vnv.fsf@intel.com> (raw)
In-Reply-To: <CAGWqDJ7eU59foYTcqQ=PVM_13K-eJig21NZxQCn9_Vn_et+0eA@mail.gmail.com>
On Mon, 06 Jun 2016, Vinay Simha <simhavcs@gmail.com> wrote:
> On Mon, Jun 6, 2016 at 1:07 PM, Jani Nikula <jani.nikula@linux.intel.com> wrote:
>> On Thu, 02 Jun 2016, Vinay Simha BN <simhavcs@gmail.com> wrote:
>>> Provide a small convenience wrapper that set/get the
>>> backlight brightness control and creates the backlight
>>> device for the panel interface
>>
>> To be pedantic, we should downplay "backlight" in the DSI DCS brightness
>> control... there need not be a backlight, at all, for brightness control
>> (see AMOLED).
> but this jdi display and few other dsi display can be controlled by
> dcs commands
The point I was trying to convey was that the DSI DCS interface is
agnostic to the actual method of controlling brightness. Whether the
panel has a backlight to control brightness is a panel implementation
detail. So maybe we shouldn't have "backlight" in the interface
nomenclature either.
BR,
Jani.
--
Jani Nikula, Intel Open Source Technology Center
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WARNING: multiple messages have this Message-ID (diff)
From: Jani Nikula <jani.nikula@linux.intel.com>
To: Vinay Simha <simhavcs@gmail.com>
Cc: open list <linux-kernel@vger.kernel.org>,
"open list\:DRM DRIVERS" <dri-devel@lists.freedesktop.org>,
Archit Taneja <archit.taneja@gmail.com>,
Rob Clark <robdclark@gmail.com>,
Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH 2/2] drm/dsi: Implement dcs backlight brightness
Date: Mon, 06 Jun 2016 21:04:36 +0300 [thread overview]
Message-ID: <87wpm26vnv.fsf@intel.com> (raw)
In-Reply-To: <CAGWqDJ7eU59foYTcqQ=PVM_13K-eJig21NZxQCn9_Vn_et+0eA@mail.gmail.com>
On Mon, 06 Jun 2016, Vinay Simha <simhavcs@gmail.com> wrote:
> On Mon, Jun 6, 2016 at 1:07 PM, Jani Nikula <jani.nikula@linux.intel.com> wrote:
>> On Thu, 02 Jun 2016, Vinay Simha BN <simhavcs@gmail.com> wrote:
>>> Provide a small convenience wrapper that set/get the
>>> backlight brightness control and creates the backlight
>>> device for the panel interface
>>
>> To be pedantic, we should downplay "backlight" in the DSI DCS brightness
>> control... there need not be a backlight, at all, for brightness control
>> (see AMOLED).
> but this jdi display and few other dsi display can be controlled by
> dcs commands
The point I was trying to convey was that the DSI DCS interface is
agnostic to the actual method of controlling brightness. Whether the
panel has a backlight to control brightness is a panel implementation
detail. So maybe we shouldn't have "backlight" in the interface
nomenclature either.
BR,
Jani.
--
Jani Nikula, Intel Open Source Technology Center
next prev parent reply other threads:[~2016-06-06 18:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-02 1:48 [PATCH 1/2] drm/dsi: Implement set tear scanline Vinay Simha BN
2016-06-02 1:48 ` Vinay Simha BN
2016-06-02 1:48 ` [PATCH 2/2] drm/dsi: Implement dcs backlight brightness Vinay Simha BN
2016-06-02 1:48 ` Vinay Simha BN
2016-06-06 7:37 ` Jani Nikula
2016-06-06 7:37 ` Jani Nikula
2016-06-06 17:48 ` Vinay Simha
2016-06-06 18:04 ` Jani Nikula [this message]
2016-06-06 18:04 ` Jani Nikula
2016-06-06 7:23 ` [PATCH 1/2] drm/dsi: Implement set tear scanline Jani Nikula
2016-06-06 7:23 ` Jani Nikula
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