If the monitor support audio, so we should support audio for it, even if the display resolution is No-CEA mode. Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx> --- Changes in v4: - Add hdmi audio support when monitor support audio Changes in v3: None Changes in v2: - Enable audio support for No-CEA display mode drivers/gpu/drm/bridge/dw_hdmi.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index b34ae80..8894e48 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -98,6 +98,7 @@ struct hdmi_id { struct hdmi_vmode { bool mdvi; + bool has_audio; bool mhsyncpolarity; bool mvsyncpolarity; bool minterlaced; @@ -1267,13 +1268,10 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode) hdmi->vic = drm_match_cea_mode(mode); - if (!hdmi->vic) { + if (!hdmi->vic) dev_dbg(hdmi->dev, "Non-CEA mode used in HDMI\n"); - hdmi->hdmi_data.video_mode.mdvi = true; - } else { + else dev_dbg(hdmi->dev, "CEA mode used vic=%d\n", hdmi->vic); - hdmi->hdmi_data.video_mode.mdvi = false; - } if ((hdmi->vic == 6) || (hdmi->vic == 7) || (hdmi->vic == 21) || (hdmi->vic == 22) || @@ -1319,10 +1317,10 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode) dw_hdmi_enable_video_path(hdmi); /* not for DVI mode */ - if (hdmi->hdmi_data.video_mode.mdvi) { - dev_dbg(hdmi->dev, "%s DVI mode\n", __func__); + if (!hdmi->hdmi_data.video_mode.has_audio) { + dev_info(hdmi->dev, "monitor does not support audio\n"); } else { - dev_dbg(hdmi->dev, "%s CEA mode\n", __func__); + dev_dbg(hdmi->dev, "monitor support audio\n"); /* HDMI Initialization Step E - Configure audio */ hdmi_clk_regenerator_update_pixel_clock(hdmi); @@ -1541,6 +1539,7 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector) { struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi, connector); + struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode; struct edid *edid; int ret; @@ -1552,6 +1551,9 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector) dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n", edid->width_cm, edid->height_cm); + vmode->mdvi = !drm_detect_hdmi_monitor(edid); + vmode->has_audio = drm_detect_monitor_audio(edid); + drm_mode_connector_update_edid_property(connector, edid); ret = drm_add_edid_modes(connector, edid); kfree(edid); -- 2.1.2 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel