static const char *OMAPLFBDSSUpdateModeToString(enum omap_dss_update_mode eMode)
{
if (!OMAPLFBValidateDSSUpdateMode(eMode))
{
return "Unknown Update Mode";
}
return OMAPLFBUpdateModeToString(OMAPLFBFromDSSUpdateMode(eMode));
}
/*
* Get display update mode.
* If the mode is AUTO, we can wait for VSync, if desired.
*/
OMAPLFB_UPDATE_MODE OMAPLFBGetUpdateMode(OMAPLFB_DEVINFO *psDevInfo)
{
#if defined(PVR_OMAPLFB_DRM_FB)
struct drm_connector *psConnector;
OMAPLFB_UPDATE_MODE eMode = OMAPLFB_UPDATE_MODE_UNDEFINED;
/*
* There may be multiple displays connected. If at least one
* display is manual update mode, report all screens as being
* in that mode.
*/
for (psConnector = NULL;
(psConnector = omap_fbdev_get_next_connector(psDevInfo->psLINFBInfo, psConnector)) != NULL;)
{
switch(omap_connector_get_update_mode(psConnector))
{
case OMAP_DSS_UPDATE_MANUAL:
eMode = OMAPLFB_UPDATE_MODE_MANUAL;
break;
case OMAP_DSS_UPDATE_DISABLED:
if (eMode == OMAPLFB_UPDATE_MODE_UNDEFINED)
{
eMode = OMAPLFB_UPDATE_MODE_DISABLED;
}
break;
case OMAP_DSS_UPDATE_AUTO:
/* Fall through to default case */
default:
/* Asssume auto update is possible */
if (eMode != OMAPLFB_UPDATE_MODE_MANUAL)
{
eMode = OMAPLFB_UPDATE_MODE_AUTO;
}
break;
}
}
return eMode;
#else /* defined(PVR_OMAPLFB_DRM_FB) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
struct omap_dss_device *psDSSDev = fb2display(psDevInfo->psLINFBInfo);
OMAP_DSS_DRIVER(psDSSDrv, psDSSDev);
enum omap_dss_update_mode eMode;
if (psDSSDrv == NULL)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: No DSS device\n", __FUNCTION__, psDevInfo->uiFBDevID));
return OMAPLFB_UPDATE_MODE_UNDEFINED;
}
if (psDSSDrv->get_update_mode == NULL)
{
if (strcmp(psDSSDev->name, "hdmi") == 0)
{
return OMAPLFB_UPDATE_MODE_AUTO;
}
// DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: No get_update_mode function\n", __FUNCTION__, psDevInfo->uiFBDevID));
// return OMAPLFB_UPDATE_MODE_UNDEFINED;
return OMAPLFB_UPDATE_MODE_AUTO;
}
eMode = psDSSDrv->get_update_mode(psDSSDev);
if (!OMAPLFBValidateDSSUpdateMode(eMode))
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Unknown update mode (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, (int)eMode));
}
return OMAPLFBFromDSSUpdateMode(eMode);
#else
return OMAPLFB_UPDATE_MODE_AUTO;
#endif
#endif /* defined(PVR_OMAPLFB_DRM_FB) */
}
OMAPLFB_UPDATE_MODE OMAPLFBGetUpdateMode(OMAPLFB_DEVINFO *psDevInfo)
{
#if 0
#if defined(PVR_OMAPLFB_DRM_FB)
struct drm_connector *psConnector;
OMAPLFB_UPDATE_MODE eMode = OMAPLFB_UPDATE_MODE_UNDEFINED;
for (psConnector = NULL;
(psConnector = omap_fbdev_get_next_connector(psDevInfo->psLINFBInfo, psConnector)) != NULL;)
{
switch(omap_connector_get_update_mode(psConnector))
{
case OMAP_DSS_UPDATE_MANUAL:
eMode = OMAPLFB_UPDATE_MODE_MANUAL;
break;
case OMAP_DSS_UPDATE_DISABLED:
if (eMode == OMAPLFB_UPDATE_MODE_UNDEFINED)
{
eMode = OMAPLFB_UPDATE_MODE_DISABLED;
}
break;
case OMAP_DSS_UPDATE_AUTO:
default:
if (eMode != OMAPLFB_UPDATE_MODE_MANUAL)
{
eMode = OMAPLFB_UPDATE_MODE_AUTO;
}
break;
}
}
return eMode;
#else
struct omap_dss_device *psDSSDev = fb2display(psDevInfo->psLINFBInfo);
OMAP_DSS_DRIVER(psDSSDrv, psDSSDev);
enum omap_dss_update_mode eMode;
if (psDSSDrv == NULL)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: No DSS device\n", __FUNCTION__, psDevInfo->uiFBDevID));
return OMAPLFB_UPDATE_MODE_UNDEFINED;
}
if (psDSSDrv->get_update_mode == NULL)
{
if (strcmp(psDSSDev->name, "hdmi") == 0)
{
return OMAPLFB_UPDATE_MODE_AUTO;
}
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: No get_update_mode function\n", __FUNCTION__, psDevInfo->uiFBDevID));
return OMAPLFB_UPDATE_MODE_UNDEFINED;
}
eMode = psDSSDrv->get_update_mode(psDSSDev);
if (!OMAPLFBValidateDSSUpdateMode(eMode))
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Unknown update mode (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, (int)eMode));
}
return OMAPLFBFromDSSUpdateMode(eMode);
#endif
#endif
return OMAPLFB_UPDATE_MODE_AUTO;
}