C++ (Cpp) xf86OutputSetEDID Examples

Example #1

File: imx_display.c Project: fread-ink/xserver-xorg-video-imx

static DisplayModePtr
imxOutputGetModes(xf86OutputPtr output)
{
	/* Access the associated screen info. */
	ScrnInfoPtr pScrn = output->scrn;

	/* Access driver private screen data */
	ImxPtr imxPtr = IMXPTR(pScrn);

	/* Access driver private screen display data */
	ImxDisplayPtr fPtr = IMXDISPLAYPTR(imxPtr);

	/* Access the built in frame buffer mode. */
	DisplayModePtr modesList = imxDisplayGetBuiltinMode(pScrn);

	/* Try to read the monitor EDID info. */
	xf86MonPtr pMonitor =
		imxDisplayGetEdid(
			pScrn,
			imxPtr->fbId,
			fPtr->edidDataBytes,
			sizeof(fPtr->edidDataBytes));
	if (NULL != pMonitor) {

		xf86OutputSetEDID(output, pMonitor);
	}

	/* Access all the modes support by frame buffer driver. */
	modesList = xf86ModesAdd(modesList, xf86OutputGetEDIDModes(output));

	return modesList;
}

Example #2

File: xorg_output.c Project: CSRedRat/mesa-1

static DisplayModePtr
output_get_modes(xf86OutputPtr output)
{
    struct output_private *priv = output->driver_private;
    drmModeConnectorPtr drm_connector = priv->drm_connector;
    drmModeModeInfoPtr drm_mode = NULL;
    drmModePropertyPtr props = NULL;
    xf86MonPtr ddc_mon = NULL;
    DisplayModePtr modes = NULL, mode = NULL;
    int i;

	for (i = 0; i < drm_connector->count_props; i++) {
		props = drmModeGetProperty(priv->fd, drm_connector->props[i]);
		if (!props)
			continue;

		if (!(props->flags & DRM_MODE_PROP_BLOB))
			goto out_free;

		if (!strcmp(props->name, "EDID")) {
			if (priv->edid_blob)
				drmModeFreePropertyBlob(priv->edid_blob);
			priv->edid_blob = drmModeGetPropertyBlob(priv->fd,
							  drm_connector->prop_values[i]);
		}

		out_free:
		drmModeFreeProperty(props);
	}

	if (priv->edid_blob) {
		ddc_mon = xf86InterpretEDID(output->scrn->scrnIndex,
									priv->edid_blob->data);

		if (ddc_mon && priv->edid_blob->length > 128)
			ddc_mon->flags |= MONITOR_EDID_COMPLETE_RAWDATA;
	}
	xf86OutputSetEDID(output, ddc_mon);

    for (i = 0; i < drm_connector->count_modes; i++) {
	drm_mode = &drm_connector->modes[i];
	if (drm_mode) {
	    mode = calloc(1, sizeof(DisplayModeRec));
	    if (!mode)
		continue;
	    mode->Clock = drm_mode->clock;
	    mode->HDisplay = drm_mode->hdisplay;
	    mode->HSyncStart = drm_mode->hsync_start;
	    mode->HSyncEnd = drm_mode->hsync_end;
	    mode->HTotal = drm_mode->htotal;
	    mode->VDisplay = drm_mode->vdisplay;
	    mode->VSyncStart = drm_mode->vsync_start;
	    mode->VSyncEnd = drm_mode->vsync_end;
	    mode->VTotal = drm_mode->vtotal;
	    mode->Flags = drm_mode->flags;
	    mode->HSkew = drm_mode->hskew;
	    mode->VScan = drm_mode->vscan;
	    mode->VRefresh = xf86ModeVRefresh(mode);
	    mode->Private = (void *)drm_mode;
	    mode->type = 0;
	    if (drm_mode->type & DRM_MODE_TYPE_PREFERRED)
		mode->type |= M_T_PREFERRED;
	    if (drm_mode->type & DRM_MODE_TYPE_DRIVER)
		mode->type |= M_T_DRIVER;
	    xf86SetModeDefaultName(mode);
	    modes = xf86ModesAdd(modes, mode);
	    xf86PrintModeline(0, mode);
	}
    }

    return modes;
}

Example #3

File: drmmode_display.c Project: adegroote/netbsd-drmgem

static DisplayModePtr
drmmode_output_get_modes(xf86OutputPtr output)
{
	drmmode_output_private_ptr drmmode_output = output->driver_private;
	drmModeConnectorPtr koutput = drmmode_output->mode_output;
	drmmode_ptr drmmode = drmmode_output->drmmode;
	int i;
	DisplayModePtr Modes = NULL, Mode;
	drmModePropertyPtr props;
	struct fixed_panel_lvds *p_lvds;
	drmModeModeInfo *mode_ptr;

	/* look for an EDID property */
	for (i = 0; i < koutput->count_props; i++) {
		props = drmModeGetProperty(drmmode->fd, koutput->props[i]);
		if (!props)
			continue;
		if (!(props->flags & DRM_MODE_PROP_BLOB)) {
			drmModeFreeProperty(props);
			continue;
		}

		if (!strcmp(props->name, "EDID")) {
			drmModeFreePropertyBlob(drmmode_output->edid_blob);
			drmmode_output->edid_blob =
				drmModeGetPropertyBlob(drmmode->fd,
						       koutput->prop_values[i]);
		}
		drmModeFreeProperty(props);
	}

	if (drmmode_output->edid_blob)
		xf86OutputSetEDID(output,
				  xf86InterpretEDID(output->scrn->scrnIndex,
						    drmmode_output->edid_blob->data));
	else
		xf86OutputSetEDID(output,
				  xf86InterpretEDID(output->scrn->scrnIndex,
						    NULL));

	/* modes should already be available */
	for (i = 0; i < koutput->count_modes; i++) {
		Mode = xnfalloc(sizeof(DisplayModeRec));

		drmmode_ConvertFromKMode(output->scrn, &koutput->modes[i],
					 Mode);
		Modes = xf86ModesAdd(Modes, Mode);

	}
	p_lvds = drmmode_output->private_data;
	/*
	 * If the connector type is LVDS, we will traverse the kernel mode to
	 * get the panel limit.
	 * If it is incorrect, please fix me.
	 */
	if ((koutput->connector_type ==  DRM_MODE_CONNECTOR_LVDS) && p_lvds) {
		p_lvds->hdisplay = 0;
		p_lvds->vdisplay = 0;
		for (i = 0; i < koutput->count_modes; i++) {
			mode_ptr = &koutput->modes[i];
			if ((mode_ptr->hdisplay >= p_lvds->hdisplay) &&
				(mode_ptr->vdisplay >= p_lvds->vdisplay)) {
				p_lvds->hdisplay = mode_ptr->hdisplay;
				p_lvds->vdisplay = mode_ptr->vdisplay;
			}
		}
		if (!p_lvds->hdisplay || !p_lvds->vdisplay)
			xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
				"Incorrect KMS mode.\n");
		drmmode_output_lvds_edid(output, p_lvds);
	}
	return Modes;
}