linux-kernel - Re: [PATCH v2 4/6] drm/panel: simple: Add support for Samsung LSN122DL01-C01 2560x1600 panel

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Message-ID: <575CC361.4080003@rock-chips.com>
Date:	Sun, 12 Jun 2016 10:05:21 +0800
From:	Yakir Yang <ykk@...k-chips.com>
To:	Stéphane Marchesin <stephane.marchesin@...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@...r.kernel.org,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH v2 4/6] drm/panel: simple: Add support for Samsung
 LSN122DL01-C01 2560x1600 panel

Stéphane,

On 06/10/2016 08:04 AM, Stéphane Marchesin wrote:
> On Wed, Jun 8, 2016 at 4:52 AM, Yakir Yang <ykk@...k-chips.com> wrote:
>> The Samsung LSN122DL01-C01 is an 12.2" 2560x1600 (WQXGA) 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 41020e1..067a5c4 100644
>> --- a/drivers/gpu/drm/panel/panel-simple.c
>> +++ b/drivers/gpu/drm/panel/panel-simple.c
>> @@ -1246,6 +1246,28 @@ static const struct panel_desc qd43003c0_40 = {
>>          .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
>>   };
>>
>> +static const struct drm_display_mode samsung_lsn122dl01_c01_mode = {
>> +       .clock = 271560,
>> +       .hdisplay = 2560,
>> +       .hsync_start = 2560 + 48,
>> +       .hsync_end = 2560 + 48 + 32,
>> +       .htotal = 2560 + 48 + 32 + 80,
>> +       .vdisplay = 1600,
>> +       .vsync_start = 1600 + 2,
>> +       .vsync_end = 1600 + 2 + 5,
>> +       .vtotal = 1600 + 2 + 5 + 57,
>> +       .vrefresh = 60,
>> +};
>> +
>> +static const struct panel_desc samsung_lsn122dl01_c01 = {
>> +       .modes = &samsung_lsn122dl01_c01_mode,
>> +       .num_modes = 1,
>> +       .size = {
>> +               .width = 2560,
>> +               .height = 1600,
> These are meant to be the physical dimensions (same thing for the
> other patches btw).

Got it, so this should be the "active area" in panel book.
Display area     262.656(H) X 164.16(V)         (12.2”diagonal)

Thanks,
-Yakir

> Stéphane
>
>> +       },
>> +};
>> +
>>   static const struct drm_display_mode samsung_ltn101nt05_mode = {
>>          .clock = 54030,
>>          .hdisplay = 1024,
>> @@ -1506,6 +1528,9 @@ static const struct of_device_id platform_of_match[] = {
>>                  .compatible = "qiaodian,qd43003c0-40",
>>                  .data = &qd43003c0_40,
>>          }, {
>> +               .compatible = "samsung,lsn122dl01-c01",
>> +               .data = &samsung_lsn122dl01_c01,
>> +       }, {
>>                  .compatible = "samsung,ltn101nt05",
>>                  .data = &samsung_ltn101nt05,
>>          }, {
>> --
>> 1.9.1
>>
>>
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@...ts.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
>

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