drm/nouveau/nouveau_bios.c

1256 	u8 *dcb = NULL;
1259 		dcb = ROMPTR(dev, drm->vbios.data[0x36]);
1260 	if (!dcb) {
1265 	if (dcb[0] >= 0x42) {
1266 		NV_WARN(drm, "DCB version 0x%02x unknown\n", dcb[0]);
1269 	if (dcb[0] >= 0x30) {
1270 		if (ROM32(dcb[6]) == 0x4edcbdcb)
1271 			return dcb;
1273 	if (dcb[0] >= 0x20) {
1274 		if (ROM32(dcb[4]) == 0x4edcbdcb)
1275 			return dcb;
1277 	if (dcb[0] >= 0x15) {
1278 		if (!memcmp(&dcb[-7], "DEV_REC", 7))
1279 			return dcb;
1309 	u8 *dcb = olddcb_table(dev);
1310 	if (dcb && dcb[0] >= 0x30) {
1311 		if (idx < dcb[2])
1312 			return dcb + dcb[1] + (idx * dcb[3]);
1314 	if (dcb && dcb[0] >= 0x20) {
1315 		u8 *i2c = ROMPTR(dev, dcb[2]);
1316 		u8 *ent = dcb + 8 + (idx * 8);
1320 	if (dcb && dcb[0] >= 0x15) {
1321 		u8 *i2c = ROMPTR(dev, dcb[2]);
1322 		u8 *ent = dcb + 4 + (idx * 10);
1358 	u8 *dcb = olddcb_table(dev);
1359 	if (dcb && dcb[0] >= 0x30 && dcb[1] >= 0x16) {
1360 		u8 *conntab = ROMPTR(dev, dcb[0x14]);
1376 static struct dcb_output *new_dcb_entry(struct dcb_table *dcb)
1378 	struct dcb_output *entry = &dcb->entry[dcb->entries];
1381 	entry->index = dcb->entries++;
1386 static void fabricate_dcb_output(struct dcb_table *dcb, int type, int i2c,
1389 	struct dcb_output *entry = new_dcb_entry(dcb);
1400 parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb,
1420 		entry->crtconf.maxfreq = (dcb->version < 0x30) ?
1429 		if (dcb->version < 0x22) {
1457 			if (dcb->version >= 0x40)
1467 		if (dcb->version >= 0x30)
1508 		if (dcb->version >= 0x40) {
1513 		else if (dcb->version >= 0x30)
1515 		else if (dcb->version >= 0x22)
1520 		dcb->entries--;
1526 	if (dcb->version < 0x40) {
1547 parse_dcb15_entry(struct drm_device *dev, struct dcb_table *dcb,
1601 void merge_like_dcb_entries(struct drm_device *dev, struct dcb_table *dcb)
1612 	for (i = 0; i < dcb->entries; i++) {
1613 		struct dcb_output *ient = &dcb->entry[i];
1616 		for (j = i + 1; j < dcb->entries; j++) {
1617 			struct dcb_output *jent = &dcb->entry[j];
1635 	/* Compact entries merged into others out of dcb */
1636 	for (i = 0; i < dcb->entries; i++) {
1637 		if (dcb->entry[i].type == DCB_OUTPUT_MERGED)
1641 			dcb->entry[newentries] = dcb->entry[i];
1642 			dcb->entry[newentries].index = newentries;
1647 	dcb->entries = newentries;
1654 	struct dcb_table *dcb = &drm->vbios.dcb;
1680 			fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, 1);
1760 	struct dcb_table *dcb = &bios->dcb;
1766 		fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, 1);
1767 		fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, 2);
1773 	fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG,
1777 		fabricate_dcb_output(dcb, DCB_OUTPUT_TV,
1783 		fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS,
1792 	struct dcb_table *dcb = &drm->vbios.dcb;
1793 	u32 conf = (dcb->version >= 0x20) ? ROM32(outp[4]) : ROM32(outp[6]);
1798 		struct dcb_output *entry = new_dcb_entry(dcb);
1802 		if (dcb->version >= 0x20)
1803 			ret = parse_dcb20_entry(dev, dcb, conn, conf, entry);
1805 			ret = parse_dcb15_entry(dev, dcb, conn, conf, entry);
1824 	struct dcb_table *dcbt = &bios->dcb;
1871 	struct dcb_table *dcb = &bios->dcb;
1888 	dcb->version = dcbt[0];
1895 	if (dcb->version < 0x21)
1896 		merge_like_dcb_entries(dev, dcb);