Re: [PATCH 2/2] drm/panel: simple: Add support for KOE TX26D202VM0BWA panel

[Sam Ravnborg <sam@ravnborg.org>]

Hi Emil.

On Tue, Jun 02, 2020 at 01:46:19PM +0100, Emil Velikov wrote:
> On Tue, 2 Jun 2020 at 08:17, Liu Ying <victor.liu@nxp.com> wrote:
> >
> > This patch adds support for Kaohsiung Opto-Electronics Inc.
> > 10.1" TX26D202VM0BWA WUXGA(1920x1200) TFT LCD panel with LVDS interface.
> > The panel has dual LVDS channels.
> >
> > My panel is manufactured by US Micro Products(USMP).  There is a tag at
> > the back of the panel, which indicates the panel type is 'TX26D202VM0BWA'
> > and it's made by KOE in Taiwan.
> >
> > The panel spec from USMP can be found at:
> > https://www.usmicroproducts.com/sites/default/files/datasheets/USMP-T101-192120NDU-A0.pdf
> >
> > The below panel spec from KOE is basically the same to the one from USMP.
> > However, the panel type 'TX26D202VM0BAA' is a little bit different.
> > It looks that the two types of panel are compatible with each other.
> > http://www.koe.j-display.com/upload/product/TX26D202VM0BAA.pdf
> >
> > Cc: Thierry Reding <thierry.reding@gmail.com>
> > Cc: Sam Ravnborg <sam@ravnborg.org>
> > Signed-off-by: Liu Ying <victor.liu@nxp.com>
> > ---
> >  drivers/gpu/drm/panel/panel-simple.c | 34 ++++++++++++++++++++++++++++++++++
> >  1 file changed, 34 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> > index b6ecd15..7c222ec 100644
> > --- a/drivers/gpu/drm/panel/panel-simple.c
> > +++ b/drivers/gpu/drm/panel/panel-simple.c
> > @@ -2200,6 +2200,37 @@ static const struct panel_desc koe_tx14d24vm1bpa = {
> >         },
> >  };
> >
> > +static const struct display_timing koe_tx26d202vm0bwa_timing = {
> > +       .pixelclock = { 151820000, 156720000, 159780000 },
> > +       .hactive = { 1920, 1920, 1920 },
> > +       .hfront_porch = { 105, 130, 142 },
> > +       .hback_porch = { 45, 70, 82 },
> > +       .hsync_len = { 30, 30, 30 },
> > +       .vactive = { 1200, 1200, 1200},
> > +       .vfront_porch = { 3, 5, 10 },
> > +       .vback_porch = { 2, 5, 10 },
> > +       .vsync_len = { 5, 5, 5 },
> > +};
> > +
> > +static const struct panel_desc koe_tx26d202vm0bwa = {
> > +       .timings = &koe_tx26d202vm0bwa_timing,
> > +       .num_timings = 1,
> > +       .bpc = 8,
> > +       .size = {
> > +               .width = 217,
> > +               .height = 136,
> > +       },
> > +       .delay = {
> > +               .prepare = 1000,
> > +               .enable = 1000,
> > +               .unprepare = 1000,
> > +               .disable = 1000,
> Ouch 1s for each delay is huge. Nevertheless it matches the specs so,
> the series is:
> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
> 
> Sam, Thierry I assume you'll merge the series. Let me know if I should
> pick it up.
I am quite busy with non-linux stuff these days so fine if you can pick
them up. I like that simple panel patches are processed fast.

I expect to have some hours for linux work friday or saturday, but no
promises...

	Sam


> 
> -Emil
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