linux-kernel - Re: [PATCH] drm/panel-edp: Add ID for KD KD116N09-30NH-A016

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Date: Thu, 2 May 2024 16:55:13 -0700
From: Hsin-Yi Wang <hsinyi@...omium.org>
To: Douglas Anderson <dianders@...omium.org>
Cc: dri-devel@...ts.freedesktop.org, Daniel Vetter <daniel@...ll.ch>, 
	David Airlie <airlied@...il.com>, Jessica Zhang <quic_jesszhan@...cinc.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Neil Armstrong <neil.armstrong@...aro.org>, Sam Ravnborg <sam@...nborg.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/panel-edp: Add ID for KD KD116N09-30NH-A016

On Thu, May 2, 2024 at 4:48 PM Douglas Anderson <dianders@...omium.org> wrote:
>
> As evidenced by in-field reports, this panel shipped on pompom but we
> never added the ID and thus we're stuck w/ conservative timings. The
> panel was part of early patches but somehow got left off in the
> end. :( Add it in now.
>
> For future reference, EDID from this panel is:
>         00ffffffffffff002c82121200000000
>         321e0104951a0e780ae511965e55932c
>         19505400000001010101010101010101
>         010101010101a41f5686500084302820
>         55000090100000180000000000000000
>         00000000000000000000000000000000
>         000000000000000000000000000000fe
>         004b443131364e3039333041313600f6
>
> We use the ASCII string from decoding the EDID ("KD116N0930A16") as
> the panel name.
>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>

Reviewed-by: Hsin-Yi Wang <hsinyi@...omium.org>

> ---
>
>  drivers/gpu/drm/panel/panel-edp.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
> index 6db277efcbb7..9cfa05c7d193 100644
> --- a/drivers/gpu/drm/panel/panel-edp.c
> +++ b/drivers/gpu/drm/panel/panel-edp.c
> @@ -2094,6 +2094,7 @@ static const struct edp_panel_entry edp_panels[] = {
>         EDP_PANEL_ENTRY('K', 'D', 'B', 0x0624, &kingdisplay_kd116n21_30nv_a010.delay, "116N21-30NV-A010"),
>         EDP_PANEL_ENTRY('K', 'D', 'B', 0x1118, &delay_200_500_e50, "KD116N29-30NK-A005"),
>         EDP_PANEL_ENTRY('K', 'D', 'B', 0x1120, &delay_200_500_e80_d50, "116N29-30NK-C007"),
> +       EDP_PANEL_ENTRY('K', 'D', 'B', 0x1212, &delay_200_500_e50, "KD116N0930A16"),
>
>         EDP_PANEL_ENTRY('K', 'D', 'C', 0x044f, &delay_200_500_e50, "KD116N9-30NH-F3"),
>         EDP_PANEL_ENTRY('K', 'D', 'C', 0x05f1, &delay_200_500_e80_d50, "KD116N5-30NV-G7"),
> --
> 2.45.0.rc1.225.g2a3ae87e7f-goog
>