Current Mediatek DRM driver does not support interlaced mode, and will hang if such resolution is used: Filter those to prevent kernel hangs, until the DRM driver is fixed properly.
Signed-off-by: Bibby Hsieh bibby.hsieh@mediatek.com --- drivers/gpu/drm/mediatek/mtk_hdmi.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index 0e8c4d9..e33678d 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1244,6 +1244,8 @@ static int mtk_hdmi_conn_mode_valid(struct drm_connector *conn, return MODE_BAD; }
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE) + return MODE_NO_INTERLACE; if (mode->clock < 27000) return MODE_CLOCK_LOW; if (mode->clock > 297000)