linux-kernel - Re: [PATCH v2 2/6] drm/panel: simple: Add support for LG LP097QX1-SPA1 2048x1536 panel

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Message-ID: <575CC44C.5030702@rock-chips.com>
Date:	Sun, 12 Jun 2016 10:09:16 +0800
From:	Yakir Yang <ykk@...k-chips.com>
To:	Emil Velikov <emil.l.velikov@...il.com>
Cc:	David Airlie <airlied@...ux.ie>,
	Thierry Reding <thierry.reding@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	devicetree <devicetree@...r.kernel.org>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	ML dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH v2 2/6] drm/panel: simple: Add support for LG
 LP097QX1-SPA1 2048x1536 panel

Emil,

On 06/08/2016 08:20 PM, Emil Velikov wrote:
> Hi Yakir,
>
> On 8 June 2016 at 12:52, Yakir Yang <ykk@...k-chips.com> wrote:
>> The LG LP097QX1-SPA1 is an 9.7", 2048x1536 (QXGA) TFT-LCD panel
>> connected using eDP interfaces.
>>
>> Signed-off-by: Yakir Yang <ykk@...k-chips.com>
>> ---
>> Changes in v2: None
>>
>>   drivers/gpu/drm/panel/panel-simple.c | 25 +++++++++++++++++++++++++
>>   1 file changed, 25 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
>> index 3a7bdf1..41020e1 100644
>> --- a/drivers/gpu/drm/panel/panel-simple.c
>> +++ b/drivers/gpu/drm/panel/panel-simple.c
>> @@ -1040,6 +1040,28 @@ static const struct panel_desc lg_lp120up1 = {
>>          },
>>   };
>>
>> +static const struct drm_display_mode lg_lp097qx1_spa1_mode = {
> I believe that lg_lp097qx1_spa1 should be moved/sorted before lg_lp120up1.

Ah, yes, done  :)

>> +static const struct panel_desc lg_lp097qx1_spa1 = {
>> +       .modes = &lg_lp097qx1_spa1_mode,
>> +       .num_modes = 1,
>> +       .size = {
>> +               .width = 2048,
>> +               .height = 1536,
> These are the physical dimensions of the panel. From the documentation
> (at the top of the file)
>
> @width: width (in millimeters) of the panel's active display area
> ...

Got it, this should be the "display area"
Display area     262.656(H) X 164.16(V)         (12.2”diagonal)

Thanks,
- Yakir

>
> Thierry, perhaps it's worth renaming 'size' it to
> "physical_{size,dimensions}" and/or alike to make it clearer ?
> Looks like we have a few cases were people got confused -
> innolux_zj070na_01p and samsung_ltn101nt05.
>
> Regards,
> Emil
>
>
>