On 25/06/14 14:03, Archit Taneja wrote:
> Hi,
>
> On Tuesday 24 June 2014 03:34 PM, Tomi Valkeinen wrote:
>> Make the omapdrm driver use the new HDMI ops when possible.
>>
>> omapdrm will call set_hdmi_mode (when available) to tell the encoder
>> driver whether the monitor is a DVI or HDMI monitor, and if it's an HDMI
>> monitor, omapdrm will call set_hdmi_infoframe to to set the AVI
>> infoframe.
>
> <snip>
>
>
>> @@ -89,6 +91,31 @@ static void omap_encoder_mode_set(struct
>> drm_encoder *encoder,
>> struct drm_display_mode *mode,
>> struct drm_display_mode *adjusted_mode)
>> {
>> + struct drm_device *dev = encoder->dev;
>> + struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
>> + struct omap_dss_device *dssdev = omap_encoder->dssdev;
>> + struct drm_connector *connector;
>> + bool hdmi_mode;
>> + int r;
>> +
>> + hdmi_mode = false;
>> + list_for_each_entry(connector, &dev->mode_config.connector_list,
>> head) {
>> + if (connector->encoder == encoder) {
>> + hdmi_mode = omap_connector_get_hdmi_mode(connector);
>> + break;
>> + }
>> + }
>> +
>> + if (dssdev->driver->set_hdmi_mode)
>> + dssdev->driver->set_hdmi_mode(dssdev, hdmi_mode);
>
> When a HDMI monitor is replaced with a DVI one, we call the
> set_hdmi_mode() driver op to set the mode to DVI. But we don't call
> set_hdmi_infoframe() when the mode is set back to DVI. Do we need to set
> avi infoframe registers back to a default value, or are those registers
> just ignored in DVI mode?
If I'm not mistaken, infoframes are a HDMI thing. When in DVI mode, the
device driver should clear/disable/something the infoframe registers,
depending on the HW in question.
Tomi
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