static void
nouveau_audio_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_connector *nv_connector;
struct drm_device *dev = encoder->dev;
u32 or = nv_encoder->or * 0x800;
int i;
nv_connector = nouveau_encoder_connector_get(nv_encoder);
if (!drm_detect_monitor_audio(nv_connector->edid)) {
nouveau_audio_disconnect(encoder);
return;
}
if (hdmi_sor(encoder)) {
nv_mask(dev, 0x61c448 + or, 0x00000001, 0x00000001);
drm_edid_to_eld(&nv_connector->base, nv_connector->edid);
if (nv_connector->base.eld[0]) {
u8 *eld = nv_connector->base.eld;
for (i = 0; i < eld[2] * 4; i++)
nv_wr32(dev, 0x61c440 + or, (i << 8) | eld[i]);
for (i = eld[2] * 4; i < 0x60; i++)
nv_wr32(dev, 0x61c440 + or, (i << 8) | 0x00);
nv_mask(dev, 0x61c448 + or, 0x00000002, 0x00000002);
}
}
}
int drm_load_edid_firmware(struct drm_connector *connector)
{
const char *connector_name = connector->name;
char *edidname = edid_firmware, *last, *colon;
int ret;
struct edid *edid;
if (*edidname == '\0')
return 0;
colon = strchr(edidname, ':');
if (colon != NULL) {
if (strncmp(connector_name, edidname, colon - edidname))
return 0;
edidname = colon + 1;
if (*edidname == '\0')
return 0;
}
last = edidname + strlen(edidname) - 1;
if (*last == '\n')
*last = '\0';
edid = edid_load(connector, edidname, connector_name);
if (IS_ERR_OR_NULL(edid))
return 0;
drm_mode_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
kfree(edid);
return ret;
}
int
tegra_drm_connector_get_modes(struct drm_connector *connector)
{
struct tegra_drm_encoder *output;
struct edid *edid = NULL;
int rv;
output = container_of(connector, struct tegra_drm_encoder,
connector);
/* Panel is first */
if (output->panel != NULL) {
/* XXX panel parsing */
return (0);
}
/* static EDID is second*/
edid = output->edid;
/* EDID from monitor is last */
if (edid == NULL)
edid = drm_get_edid(connector, output->ddc);
if (edid == NULL)
return (0);
/* Process EDID */
drm_mode_connector_update_edid_property(connector, edid);
rv = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
return (rv);
}
int drm_load_edid_firmware(struct drm_connector *connector)
{
const char *connector_name = connector->name;
char *edidname, *last, *colon, *fwstr, *edidstr, *fallback = NULL;
int ret;
struct edid *edid;
if (edid_firmware[0] == '\0')
return 0;
/*
* If there are multiple edid files specified and separated
* by commas, search through the list looking for one that
* matches the connector.
*
* If there's one or more that don't't specify a connector, keep
* the last one found one as a fallback.
*/
fwstr = kstrdup(edid_firmware, GFP_KERNEL);
edidstr = fwstr;
while ((edidname = strsep(&edidstr, ","))) {
colon = strchr(edidname, ':');
if (colon != NULL) {
if (strncmp(connector_name, edidname, colon - edidname))
continue;
edidname = colon + 1;
break;
}
if (*edidname != '\0') /* corner case: multiple ',' */
fallback = edidname;
}
if (!edidname) {
if (!fallback) {
kfree(fwstr);
return 0;
}
edidname = fallback;
}
last = edidname + strlen(edidname) - 1;
if (*last == '\n')
*last = '\0';
edid = edid_load(connector, edidname, connector_name);
kfree(fwstr);
if (IS_ERR_OR_NULL(edid))
return 0;
drm_mode_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
kfree(edid);
return ret;
}
/**
* intel_connector_update_modes - update connector from edid
* @connector: DRM connector device to use
* @edid: previously read EDID information
*/
int intel_connector_update_modes(struct drm_connector *connector,
struct edid *edid)
{
int ret;
drm_mode_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
return ret;
}
/**
* intel_connector_update_modes - update connector from edid
* @connector: DRM connector device to use
* @edid: previously read EDID information
*/
int intel_connector_update_modes(struct drm_connector *connector,
struct edid *edid)
{
int ret;
drm_mode_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
connector->display_info.raw_edid = NULL;
kfree(edid);
return ret;
}
/**
* intel_ddc_get_modes - get modelist from monitor
* @connector: DRM connector device to use
* @adapter: i2c adapter
*
* Fetch the EDID information from @connector using the DDC bus.
*/
int intel_ddc_get_modes(struct drm_connector *connector,
struct i2c_adapter *adapter)
{
struct edid *edid;
int ret = 0;
edid = drm_get_edid(connector, adapter);
if (edid) {
drm_mode_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
connector->display_info.raw_edid = NULL;
kfree(edid);
}
return ret;
}