linux-kernel - Re: [PATCH v4 4/5] drm/panel-edp: Add eDP sharp panel support

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Date:   Wed, 16 Feb 2022 11:39:46 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Sankeerth Billakanti <quic_sbillaka@...cinc.com>
Cc:     dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        freedreno <freedreno@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Rob Clark <robdclark@...il.com>,
        Sean Paul <seanpaul@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, quic_kalyant@...cinc.com,
        quic_abhinavk@...cinc.com, quic_khsieh@...cinc.com,
        quic_mkrishn@...cinc.com, quic_vproddut@...cinc.com
Subject: Re: [PATCH v4 4/5] drm/panel-edp: Add eDP sharp panel support

Hi,

On Wed, Feb 16, 2022 at 11:29 AM Doug Anderson <dianders@...omium.org> wrote:
>
> Hi,
>
> On Thu, Feb 10, 2022 at 3:58 AM Sankeerth Billakanti
> <quic_sbillaka@...cinc.com> wrote:
> >
> > Add support for the 14" sharp,lq140m1jw46 eDP panel.
> >
> > Signed-off-by: Sankeerth Billakanti <quic_sbillaka@...cinc.com>
> > ---
> > 00 ff ff ff ff ff ff 00 4d 10 23 15 00 00 00 00
> > 35 1e 01 04 a5 1f 11 78 07 de 50 a3 54 4c 99 26
> > 0f 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
> > 01 01 01 01 01 01 5a 87 80 a0 70 38 4d 40 30 20
> > 35 00 35 ae 10 00 00 18 65 38 80 a0 70 38 4d 40
> > 30 20 35 00 35 ae 10 00 00 18 00 00 00 fd 00 30
> > 90 a7 a7 23 01 00 00 00 00 00 00 00 00 00 00 fc
> > 00 4c 51 31 34 30 4d 31 4a 57 34 39 0a 20 00 77
> >
> > ----------------
> >
> > Block 0, Base EDID:
> >   EDID Structure Version & Revision: 1.4
> >   Vendor & Product Identification:
> >     Manufacturer: SHP
> >     Model: 5411
> >     Made in: week 53 of 2020
> >   Basic Display Parameters & Features:
> >     Digital display
> >     Bits per primary color channel: 8
> >     DisplayPort interface
> >     Maximum image size: 31 cm x 17 cm
> >     Gamma: 2.20
> >     Supported color formats: RGB 4:4:4
> >     Default (sRGB) color space is primary color space
> >     First detailed timing includes the native pixel format and preferred refresh rate
> >     Display is continuous frequency
> >   Color Characteristics:
> >     Red  : 0.6396, 0.3291
> >     Green: 0.2998, 0.5996
> >     Blue : 0.1494, 0.0595
> >     White: 0.3125, 0.3281
> >   Established Timings I & II: none
> >   Standard Timings: none
> >   Detailed Timing Descriptors:
> >     DTD 1:  1920x1080  143.981 Hz  16:9   166.587 kHz  346.500 MHz (309 mm x 174 mm)
> >                  Hfront   48 Hsync  32 Hback  80 Hpol N
> >                  Vfront    3 Vsync   5 Vback  69 Vpol N
> >     DTD 2:  1920x1080   59.990 Hz  16:9    69.409 kHz  144.370 MHz (309 mm x 174 mm)
> >                  Hfront   48 Hsync  32 Hback  80 Hpol N
> >                  Vfront    3 Vsync   5 Vback  69 Vpol N
> >   Display Range Limits:
> >     Monitor ranges (Bare Limits): 48-144 Hz V, 167-167 kHz H, max dotclock 350 MHz
> >     Display Product Name: 'LQ140M1JW49'
> > Checksum: 0x77
> >
> > Changes in v4:
> >   -Add all modes from EDID
> >   -Provide EDID blob
> >
> > Changes in v3:
> >   None
> >
> >  drivers/gpu/drm/panel/panel-edp.c | 44 +++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 44 insertions(+)
>
> We want to be moving to the generic edp-panel but even if we move to
> edp-panel there's no harm in supporting things the old way, especially
> as people are transitioning.
>
> Reviewed-by: Douglas Anderson <dianders@...omium.org>

...and pushed to drm-misc-next:

a874aba8bbc5 drm/panel-edp: Add eDP sharp panel support

So v5 shouldn't include this patch.

-Doug