Hi, Neil:
Neil Armstrong <narmstrong@xxxxxxxxxxxx> 於 2021年4月19日 週一 下午3:33寫道：
>
> Some SoCs like the MT8167 are not validated and supported for HDMI modes
> out of HDMI CEA modes, so add a configuration boolean to filter out
> non-CEA modes.
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
>
> Signed-off-by: Fabien Parent <fparent@xxxxxxxxxxxx>
> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/mediatek/mtk_hdmi.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index dea46d66e712..0539262e69d3 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -148,6 +148,7 @@ struct hdmi_audio_param {
>
> struct mtk_hdmi_conf {
> bool tz_disabled;
> + bool cea_modes_only;
> };
>
> struct mtk_hdmi {
> @@ -1222,6 +1223,9 @@ static int mtk_hdmi_bridge_mode_valid(struct drm_bridge *bridge,
> return MODE_BAD;
> }
>
> + if (hdmi->conf->cea_modes_only && !drm_match_cea_mode(mode))
> + return MODE_BAD;
> +
> if (mode->clock < 27000)
> return MODE_CLOCK_LOW;
> if (mode->clock > 297000)
> --
> 2.25.1
>
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