On Mon, Oct 22, 2018 at 01:46:39PM -0700, Douglas Anderson wrote:
> As far as I can tell the bindings that were added in commit
> 9c04400f7ea6 ("dt-bindings: drm/panel: Document Innolux TV123WAM panel
> bindings") weren't actually for Innolux TV123WAM but were actually for
> Innolux P120ZDG-BF1.
>
> As far as I can tell the Innolux TV123WAM isn't a real panel and but
> it's a mosh between the TI TV123WAM and the Innolux P120ZDG-BF1.
> Let's unmosh.
>
> Here's my evidence:
>
> * Searching for TV123WAM on the Internet turns up a TI panel. While
> it's possible that an Innolux panel has the same model number as the
> TI Panel, it seems a little doubtful. Looking up the datasheet from
> the TI Panel shows that it's 1920 x 1280 and 259.2 mm x 172.8 mm.
>
> * As far as I know, the patch adding the Innolux Panel was supposed to
> be for the board that's sitting in front of me as I type this
> (support for that board is not yet upstream). On the back of that
> panel I see Innolux P120ZDZ-EZ1 rev B1.
>
> * Someone pointed me at a datasheet that's supposed to be for the
> panel in front of me (sorry, I can't share the datasheet). That
> datasheet has the string "p120zdg-bf1"
>
> * If I search for "P120ZDG-BF1" on the Internet I get hits for panels
> that are 2160x1440. They don't have datasheets, but the fact that
> the resolution matches is a good sign.
>
> While we doing the rename, also mention that no-hpd can be used with
> this panel. See the previous patch in this series ("drm/panel:
> simple: Add "no-hpd" delay for Innolux TV123WAM").
>
> Fixes: 9c04400f7ea6 ("dt-bindings: drm/panel: Document Innolux TV123WAM panel bindings")
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Cc: Sandeep Panda <spanda@xxxxxxxxxxxxxx>
> ---
>
> .../{innolux,tv123wam.txt => innolux,p120zdg-bf1.txt} | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
> rename Documentation/devicetree/bindings/display/panel/{innolux,tv123wam.txt => innolux,p120zdg-bf1.txt} (70%)
>
> diff --git a/Documentation/devicetree/bindings/display/panel/innolux,tv123wam.txt b/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt
> similarity index 70%
> rename from Documentation/devicetree/bindings/display/panel/innolux,tv123wam.txt
> rename to Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt
Same concerns here, you might consider leaving a breadcrumb here to point to
p120zdg-bf1 (noting that the old compatible string will continue to work).
Again, if robh is Ok with wiping innolux,tv123wam from existance, please ignore
:)
Sean
> index a9b35265fa13..513f03466aba 100644
> --- a/Documentation/devicetree/bindings/display/panel/innolux,tv123wam.txt
> +++ b/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt
> @@ -1,20 +1,22 @@
> -Innolux TV123WAM 12.3 inch eDP 2K display panel
> +Innolux P120ZDG-BF1 12.02 inch eDP 2K display panel
>
> This binding is compatible with the simple-panel binding, which is specified
> in simple-panel.txt in this directory.
>
> Required properties:
> -- compatible: should be "innolux,tv123wam"
> +- compatible: should be "innolux,p120zdg-bf1"
> - power-supply: regulator to provide the supply voltage
>
> Optional properties:
> - enable-gpios: GPIO pin to enable or disable the panel
> - backlight: phandle of the backlight device attached to the panel
> +- no-hpd: If HPD isn't hooked up; add this property.
>
> Example:
> panel_edp: panel-edp {
> - compatible = "innolux,tv123wam";
> + compatible = "innolux,p120zdg-bf1";
> enable-gpios = <&msmgpio 31 GPIO_ACTIVE_LOW>;
> power-supply = <&pm8916_l2>;
> backlight = <&backlight>;
> + no-hpd;
> };
> --
> 2.19.1.568.g152ad8e336-goog
>
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--
Sean Paul, Software Engineer, Google / Chromium OS
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