linux-kernel - Re: [PATCH v7 2/3] drm/panel-edp: Add auo_b116xa3

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Date:   Fri, 17 Nov 2023 14:09:09 -0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Neil Armstrong <neil.armstrong@...aro.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 2/3] drm/panel-edp: Add auo_b116xa3_mode

On Fri, Nov 17, 2023 at 1:51 PM Hsin-Yi Wang <hsinyi@...omium.org> wrote:
>
> Add auo_b116xa3_mode to override the original modes parsed from edid
> of the panels 0x405c B116XAK01.0 and 0x615c B116XAN06.1 which result
> in glitches on panel.
>
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> ---
> v6->v7: split usecase to another patch.

 -cc: stable

> ---
>  drivers/gpu/drm/panel/panel-edp.c | 19 +++++++++++++++++--
>  1 file changed, 17 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
> index 33535f6de343..3e144145a6bd 100644
> --- a/drivers/gpu/drm/panel/panel-edp.c
> +++ b/drivers/gpu/drm/panel/panel-edp.c
> @@ -983,6 +983,19 @@ static const struct panel_desc auo_b101ean01 = {
>         },
>  };
>
> +static const struct drm_display_mode auo_b116xa3_mode = {
> +       .clock = 70589,
> +       .hdisplay = 1366,
> +       .hsync_start = 1366 + 40,
> +       .hsync_end = 1366 + 40 + 40,
> +       .htotal = 1366 + 40 + 40 + 32,
> +       .vdisplay = 768,
> +       .vsync_start = 768 + 10,
> +       .vsync_end = 768 + 10 + 12,
> +       .vtotal = 768 + 10 + 12 + 6,
> +       .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
> +};
> +
>  static const struct drm_display_mode auo_b116xak01_mode = {
>         .clock = 69300,
>         .hdisplay = 1366,
> @@ -1908,9 +1921,11 @@ static const struct edp_panel_entry edp_panels[] = {
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0x239b, &delay_200_500_e50, "B116XAN06.1"),
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0x255c, &delay_200_500_e50, "B116XTN02.5"),
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0x403d, &delay_200_500_e50, "B140HAN04.0"),
> -       EDP_PANEL_ENTRY('A', 'U', 'O', 0x405c, &auo_b116xak01.delay, "B116XAK01.0"),
> +       EDP_PANEL_ENTRY2('A', 'U', 'O', 0x405c, &auo_b116xak01.delay, "B116XAK01.0",
> +                        &auo_b116xa3_mode),
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0x582d, &delay_200_500_e50, "B133UAN01.0"),
> -       EDP_PANEL_ENTRY('A', 'U', 'O', 0x615c, &delay_200_500_e50, "B116XAN06.1"),
> +       EDP_PANEL_ENTRY2('A', 'U', 'O', 0x615c, &delay_200_500_e50, "B116XAN06.1",
> +                        &auo_b116xa3_mode),
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0x635c, &delay_200_500_e50, "B116XAN06.3"),
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0x639c, &delay_200_500_e50, "B140HAK02.7"),
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0x8594, &delay_200_500_e50, "B133UAN01.0"),
> --
> 2.43.0.rc0.421.g78406f8d94-goog
>