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.
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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