summaryrefslogtreecommitdiff
path: root/src/drmmode_display.c
blob: f55677f6599cf50e45d29c36f5306162def3a4b1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
/*
 * Copyright © 2007 Red Hat, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Authors:
 *    Dave Airlie <airlied@redhat.com>
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <errno.h>
#include <sys/ioctl.h>
#include <time.h>
#include "cursorstr.h"
#include "damagestr.h"
#include "inputstr.h"
#include "list.h"
#include "micmap.h"
#include "xf86cmap.h"
#include "xf86Priv.h"
#include "radeon.h"
#include "radeon_bo_helper.h"
#include "radeon_glamor.h"
#include "radeon_reg.h"

#include <dri.h>

#include "drmmode_display.h"

/* DPMS */
#ifdef HAVE_XEXTPROTO_71
#include <X11/extensions/dpmsconst.h>
#else
#define DPMS_SERVER
#include <X11/extensions/dpms.h>
#endif

#define DEFAULT_NOMINAL_FRAME_RATE 60

#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 22
#define HAVE_NOTIFY_FD	1
#endif

static Bool
drmmode_xf86crtc_resize (ScrnInfoPtr scrn, int width, int height);

static Bool
RADEONZaphodStringMatches(ScrnInfoPtr pScrn, const char *s, char *output_name)
{
    int i = 0;
    char s1[20];

    do {
	switch(*s) {
	case ',':
  	    s1[i] = '\0';
	    i = 0;
	    if (strcmp(s1, output_name) == 0)
		return TRUE;
	    break;
	case ' ':
	case '\t':
	case '\n':
	case '\r':
	    break;
	default:
	    s1[i] = *s;
	    i++;
	    break;
	}
    } while(*s++);

    s1[i] = '\0';
    if (strcmp(s1, output_name) == 0)
	return TRUE;

    return FALSE;
}


/* Wait for the boolean condition to be FALSE */
#define drmmode_crtc_wait_pending_event(drmmode_crtc, fd, condition) \
	do {} while ((condition) && \
		     drmHandleEvent(fd, &drmmode_crtc->drmmode->event_context) \
		     > 0);


static PixmapPtr drmmode_create_bo_pixmap(ScrnInfoPtr pScrn,
					  int width, int height,
					  int depth, int bpp,
					  int pitch,
					  struct radeon_bo *bo, struct radeon_surface *psurf)
{
	RADEONInfoPtr info = RADEONPTR(pScrn);
	ScreenPtr pScreen = pScrn->pScreen;
	PixmapPtr pixmap;
	struct radeon_surface *surface;
	uint32_t tiling;

	pixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth,
					  RADEON_CREATE_PIXMAP_SCANOUT);
	if (!pixmap)
		return NULL;

	if (!(*pScreen->ModifyPixmapHeader)(pixmap, width, height,
					    depth, bpp, pitch, NULL)) {
		goto fail;
	}

	if (!info->use_glamor)
		exaMoveInPixmap(pixmap);

	if (!radeon_set_pixmap_bo(pixmap, bo))
		goto fail;

	if (info->ChipFamily >= CHIP_FAMILY_R600) {
		surface = radeon_get_pixmap_surface(pixmap);
		if (surface && psurf) 
			*surface = *psurf;
		else if (surface) {
			memset(surface, 0, sizeof(struct radeon_surface));
			surface->npix_x = width;
			surface->npix_y = height;
			surface->npix_z = 1;
			surface->blk_w = 1;
			surface->blk_h = 1;
			surface->blk_d = 1;
			surface->array_size = 1;
			surface->last_level = 0;
			surface->bpe = bpp / 8;
			surface->nsamples = 1;
			surface->flags = RADEON_SURF_SCANOUT;
			/* we are requiring a recent enough libdrm version */
			surface->flags |= RADEON_SURF_HAS_TILE_MODE_INDEX;
			surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE);
			surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR_ALIGNED, MODE);
			tiling = radeon_get_pixmap_tiling_flags(pixmap);
			if (tiling & RADEON_TILING_MICRO) {
				surface->flags = RADEON_SURF_CLR(surface->flags, MODE);
				surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE);
			}
			if (tiling & RADEON_TILING_MACRO) {
				surface->flags = RADEON_SURF_CLR(surface->flags, MODE);
				surface->flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE);
			}
			if (radeon_surface_best(info->surf_man, surface)) {
				goto fail;
			}
			if (radeon_surface_init(info->surf_man, surface)) {
				goto fail;
			}
		}
	}

	if (!info->use_glamor ||
	    radeon_glamor_create_textured_pixmap(pixmap,
						 radeon_get_pixmap_private(pixmap)))
		return pixmap;

fail:
	pScreen->DestroyPixmap(pixmap);
	return NULL;
}

static void drmmode_destroy_bo_pixmap(PixmapPtr pixmap)
{
	ScreenPtr pScreen = pixmap->drawable.pScreen;

	(*pScreen->DestroyPixmap)(pixmap);
}

static void
drmmode_ConvertFromKMode(ScrnInfoPtr	scrn,
		     drmModeModeInfo *kmode,
		     DisplayModePtr	mode)
{
	memset(mode, 0, sizeof(DisplayModeRec));
	mode->status = MODE_OK;

	mode->Clock = kmode->clock;

	mode->HDisplay = kmode->hdisplay;
	mode->HSyncStart = kmode->hsync_start;
	mode->HSyncEnd = kmode->hsync_end;
	mode->HTotal = kmode->htotal;
	mode->HSkew = kmode->hskew;

	mode->VDisplay = kmode->vdisplay;
	mode->VSyncStart = kmode->vsync_start;
	mode->VSyncEnd = kmode->vsync_end;
	mode->VTotal = kmode->vtotal;
	mode->VScan = kmode->vscan;

	mode->Flags = kmode->flags; //& FLAG_BITS;
	mode->name = strdup(kmode->name);

	if (kmode->type & DRM_MODE_TYPE_DRIVER)
		mode->type = M_T_DRIVER;
	if (kmode->type & DRM_MODE_TYPE_PREFERRED)
		mode->type |= M_T_PREFERRED;
	xf86SetModeCrtc (mode, scrn->adjustFlags);
}

static void
drmmode_ConvertToKMode(ScrnInfoPtr	scrn,
		     drmModeModeInfo *kmode,
		     DisplayModePtr	mode)
{
	memset(kmode, 0, sizeof(*kmode));

	kmode->clock = mode->Clock;
	kmode->hdisplay = mode->HDisplay;
	kmode->hsync_start = mode->HSyncStart;
	kmode->hsync_end = mode->HSyncEnd;
	kmode->htotal = mode->HTotal;
	kmode->hskew = mode->HSkew;

	kmode->vdisplay = mode->VDisplay;
	kmode->vsync_start = mode->VSyncStart;
	kmode->vsync_end = mode->VSyncEnd;
	kmode->vtotal = mode->VTotal;
	kmode->vscan = mode->VScan;

	kmode->flags = mode->Flags; //& FLAG_BITS;
	if (mode->name)
		strncpy(kmode->name, mode->name, DRM_DISPLAY_MODE_LEN);
	kmode->name[DRM_DISPLAY_MODE_LEN-1] = 0;

}

/*
 * Utility helper for drmWaitVBlank
 */
Bool
drmmode_wait_vblank(xf86CrtcPtr crtc, drmVBlankSeqType type,
		    uint32_t target_seq, unsigned long signal, uint64_t *ust,
		    uint32_t *result_seq)
{
	int crtc_id = drmmode_get_crtc_id(crtc);
	ScrnInfoPtr scrn = crtc->scrn;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(scrn);
	drmVBlank vbl;

	if (crtc_id == 1)
		type |= DRM_VBLANK_SECONDARY;
	else if (crtc_id > 1)
		type |= (crtc_id << DRM_VBLANK_HIGH_CRTC_SHIFT) &
			DRM_VBLANK_HIGH_CRTC_MASK;

	vbl.request.type = type;
	vbl.request.sequence = target_seq;
	vbl.request.signal = signal;

	if (drmWaitVBlank(pRADEONEnt->fd, &vbl) != 0)
		return FALSE;

	if (ust)
		*ust = (uint64_t)vbl.reply.tval_sec * 1000000 +
			vbl.reply.tval_usec;
	if (result_seq)
		*result_seq = vbl.reply.sequence;

	return TRUE;
}

/*
 * Retrieves present time in microseconds that is compatible
 * with units used by vblank timestamps. Depending on the kernel
 * version and DRM kernel module configuration, the vblank
 * timestamp can either be in real time or monotonic time
 */
int drmmode_get_current_ust(int drm_fd, CARD64 *ust)
{
	uint64_t cap_value;
	int ret;
	struct timespec now;

	ret = drmGetCap(drm_fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap_value);
	if (ret || !cap_value)
		/* old kernel or drm_timestamp_monotonic turned off */
		ret = clock_gettime(CLOCK_REALTIME, &now);
	else
		ret = clock_gettime(CLOCK_MONOTONIC, &now);
	if (ret)
		return ret;
	*ust = ((CARD64)now.tv_sec * 1000000) + ((CARD64)now.tv_nsec / 1000);
	return 0;
}

/*
 * Get current frame count and frame count timestamp of the crtc.
 */
int drmmode_crtc_get_ust_msc(xf86CrtcPtr crtc, CARD64 *ust, CARD64 *msc)
{
    ScrnInfoPtr scrn = crtc->scrn;
    uint32_t seq;

    if (!drmmode_wait_vblank(crtc, DRM_VBLANK_RELATIVE, 0, 0, ust, &seq)) {
	xf86DrvMsg(scrn->scrnIndex, X_WARNING,
		   "get vblank counter failed: %s\n", strerror(errno));
	return -1;
    }

    *msc = seq;

    return Success;
}

static void
drmmode_do_crtc_dpms(xf86CrtcPtr crtc, int mode)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	ScrnInfoPtr scrn = crtc->scrn;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(scrn);
	CARD64 ust;
	int ret;

	if (drmmode_crtc->dpms_mode == DPMSModeOn && mode != DPMSModeOn) {
		uint32_t seq;

		drmmode_crtc_wait_pending_event(drmmode_crtc, pRADEONEnt->fd,
						drmmode_crtc->flip_pending);

		/*
		 * On->Off transition: record the last vblank time,
		 * sequence number and frame period.
		 */
		if (!drmmode_wait_vblank(crtc, DRM_VBLANK_RELATIVE, 0, 0, &ust,
					 &seq))
			xf86DrvMsg(scrn->scrnIndex, X_ERROR,
				   "%s cannot get last vblank counter\n",
				   __func__);
		else {
			CARD64 nominal_frame_rate, pix_in_frame;

			drmmode_crtc->dpms_last_ust = ust;
			drmmode_crtc->dpms_last_seq = seq;
			nominal_frame_rate = crtc->mode.Clock;
			nominal_frame_rate *= 1000;
			pix_in_frame = crtc->mode.HTotal * crtc->mode.VTotal;
			if (nominal_frame_rate == 0 || pix_in_frame == 0)
				nominal_frame_rate = DEFAULT_NOMINAL_FRAME_RATE;
			else
				nominal_frame_rate /= pix_in_frame;
			drmmode_crtc->dpms_last_fps = nominal_frame_rate;
		}
	} else if (drmmode_crtc->dpms_mode != DPMSModeOn && mode == DPMSModeOn) {
		/*
		 * Off->On transition: calculate and accumulate the
		 * number of interpolated vblanks while we were in Off state
		 */
		ret = drmmode_get_current_ust(pRADEONEnt->fd, &ust);
		if (ret)
			xf86DrvMsg(scrn->scrnIndex, X_ERROR,
				   "%s cannot get current time\n", __func__);
		else if (drmmode_crtc->dpms_last_ust) {
			CARD64 time_elapsed, delta_seq;
			time_elapsed = ust - drmmode_crtc->dpms_last_ust;
			delta_seq = time_elapsed * drmmode_crtc->dpms_last_fps;
			delta_seq /= 1000000;
			drmmode_crtc->interpolated_vblanks += delta_seq;

		}
	}
	drmmode_crtc->dpms_mode = mode;
}

static void
drmmode_crtc_dpms(xf86CrtcPtr crtc, int mode)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn);

	/* Disable unused CRTCs */
	if (!crtc->enabled || mode != DPMSModeOn) {
		drmmode_crtc_wait_pending_event(drmmode_crtc, pRADEONEnt->fd,
						drmmode_crtc->flip_pending);
		drmModeSetCrtc(pRADEONEnt->fd, drmmode_crtc->mode_crtc->crtc_id,
			       0, 0, 0, NULL, 0, NULL);
		drmmode_fb_reference(pRADEONEnt->fd, &drmmode_crtc->fb, NULL);
	} else if (drmmode_crtc->dpms_mode != DPMSModeOn)
		crtc->funcs->set_mode_major(crtc, &crtc->mode, crtc->rotation,
					    crtc->x, crtc->y);
}

static PixmapPtr
create_pixmap_for_fbcon(drmmode_ptr drmmode,
			ScrnInfoPtr pScrn, int fbcon_id)
{
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
	RADEONInfoPtr info = RADEONPTR(pScrn);
	PixmapPtr pixmap = info->fbcon_pixmap;
	struct radeon_bo *bo;
	drmModeFBPtr fbcon;
	struct drm_gem_flink flink;

	if (pixmap)
	    return pixmap;

	fbcon = drmModeGetFB(pRADEONEnt->fd, fbcon_id);
	if (fbcon == NULL)
		return NULL;

	if (fbcon->depth != pScrn->depth ||
	    fbcon->width != pScrn->virtualX ||
	    fbcon->height != pScrn->virtualY)
		goto out_free_fb;

	flink.handle = fbcon->handle;
	if (ioctl(pRADEONEnt->fd, DRM_IOCTL_GEM_FLINK, &flink) < 0) {
		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
			   "Couldn't flink fbcon handle\n");
		goto out_free_fb;
	}

	bo = radeon_bo_open(drmmode->bufmgr, flink.name, 0, 0, 0, 0);
	if (bo == NULL) {
		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
			   "Couldn't allocate bo for fbcon handle\n");
		goto out_free_fb;
	}

	pixmap = drmmode_create_bo_pixmap(pScrn, fbcon->width, fbcon->height,
					  fbcon->depth, fbcon->bpp, fbcon->pitch,
					  bo, NULL);
	info->fbcon_pixmap = pixmap;
	radeon_bo_unref(bo);
out_free_fb:
	drmModeFreeFB(fbcon);
	return pixmap;
}

static void
destroy_pixmap_for_fbcon(ScrnInfoPtr pScrn)
{
	RADEONInfoPtr info = RADEONPTR(pScrn);

	/* XXX: The current GPUVM support in the kernel doesn't allow removing
	 * the virtual address range for this BO, so we need to keep around
	 * the pixmap to avoid breaking glamor with GPUVM
	 */
	if (info->use_glamor && info->ChipFamily >= CHIP_FAMILY_CAYMAN)
		return;

	if (info->fbcon_pixmap)
		pScrn->pScreen->DestroyPixmap(info->fbcon_pixmap);
	info->fbcon_pixmap = NULL;
}

void drmmode_copy_fb(ScrnInfoPtr pScrn, drmmode_ptr drmmode)
{
	xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
	RADEONInfoPtr info = RADEONPTR(pScrn);
	ScreenPtr pScreen = pScrn->pScreen;
	PixmapPtr src, dst = pScreen->GetScreenPixmap(pScreen);
	struct drmmode_fb *fb = radeon_pixmap_get_fb(dst);
	int fbcon_id = 0;
	Bool force;
	GCPtr gc;
	int i;

	for (i = 0; i < xf86_config->num_crtc; i++) {
		drmmode_crtc_private_ptr drmmode_crtc = xf86_config->crtc[i]->driver_private;

		if (drmmode_crtc->mode_crtc->buffer_id)
			fbcon_id = drmmode_crtc->mode_crtc->buffer_id;
	}

	if (!fbcon_id)
		return;

	if (fbcon_id == fb->handle) {
		/* in some rare case there might be no fbcon and we might already
		 * be the one with the current fb to avoid a false deadlck in
		 * kernel ttm code just do nothing as anyway there is nothing
		 * to do
		 */
		return;
	}

	src = create_pixmap_for_fbcon(drmmode, pScrn, fbcon_id);
	if (!src)
		return;

	gc = GetScratchGC(pScrn->depth, pScreen);
	ValidateGC(&dst->drawable, gc);

	force = info->accel_state->force;
	info->accel_state->force = TRUE;
	(*gc->ops->CopyArea)(&src->drawable, &dst->drawable, gc, 0, 0,
			     pScrn->virtualX, pScrn->virtualY, 0, 0);
	info->accel_state->force = force;

	FreeScratchGC(gc);

	pScreen->canDoBGNoneRoot = TRUE;
	destroy_pixmap_for_fbcon(pScrn);
	return;
}

void
drmmode_crtc_scanout_destroy(drmmode_ptr drmmode,
			     struct drmmode_scanout *scanout)
{
	if (scanout->pixmap) {
		drmmode_destroy_bo_pixmap(scanout->pixmap);
		scanout->pixmap = NULL;
	}

	if (scanout->bo) {
		radeon_bo_unmap(scanout->bo);
		radeon_bo_unref(scanout->bo);
		scanout->bo = NULL;
	}
}

void
drmmode_crtc_scanout_free(drmmode_crtc_private_ptr drmmode_crtc)
{
	drmmode_crtc_scanout_destroy(drmmode_crtc->drmmode,
				     &drmmode_crtc->scanout[0]);
	drmmode_crtc_scanout_destroy(drmmode_crtc->drmmode,
				     &drmmode_crtc->scanout[1]);

	if (drmmode_crtc->scanout_damage)
		DamageDestroy(drmmode_crtc->scanout_damage);
}

PixmapPtr
drmmode_crtc_scanout_create(xf86CrtcPtr crtc, struct drmmode_scanout *scanout,
			    int width, int height)
{
	ScrnInfoPtr pScrn = crtc->scrn;
	RADEONInfoPtr info = RADEONPTR(pScrn);
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	drmmode_ptr drmmode = drmmode_crtc->drmmode;
	struct radeon_surface surface;
	uint32_t tiling = RADEON_CREATE_PIXMAP_TILING_MACRO;
	int pitch;

	if (scanout->pixmap) {
		if (scanout->width == width && scanout->height == height)
			return scanout->pixmap;

		drmmode_crtc_scanout_destroy(drmmode, scanout);
	}

	if (info->ChipFamily >= CHIP_FAMILY_R600)
		tiling |= RADEON_CREATE_PIXMAP_TILING_MICRO;
	scanout->bo = radeon_alloc_pixmap_bo(pScrn, width, height, pScrn->depth,
					     tiling, pScrn->bitsPerPixel,
					     &pitch, &surface, &tiling);
	if (!scanout->bo) {
		ErrorF("failed to create CRTC scanout BO\n");
		return NULL;
	}

	scanout->pixmap = drmmode_create_bo_pixmap(pScrn,
						 width, height,
						 pScrn->depth,
						 pScrn->bitsPerPixel,
						 pitch, scanout->bo, NULL);
	if (!scanout->pixmap) {
		ErrorF("failed to create CRTC scanout pixmap\n");
		goto error;
	}

	if (radeon_pixmap_get_fb(scanout->pixmap)) {
		scanout->width = width;
		scanout->height = height;
	} else {
		ErrorF("failed to create CRTC scanout FB\n");
error:		
		drmmode_crtc_scanout_destroy(drmmode, scanout);
	}

	return scanout->pixmap;
}

static void
radeon_screen_damage_report(DamagePtr damage, RegionPtr region, void *closure)
{
	drmmode_crtc_private_ptr drmmode_crtc = closure;

	if (drmmode_crtc->ignore_damage) {
		RegionEmpty(&damage->damage);
		drmmode_crtc->ignore_damage = FALSE;
		return;
	}

	/* Only keep track of the extents */
	RegionUninit(&damage->damage);
	damage->damage.data = NULL;
}

static void
drmmode_screen_damage_destroy(DamagePtr damage, void *closure)
{
	drmmode_crtc_private_ptr drmmode_crtc = closure;

	drmmode_crtc->scanout_damage = NULL;
	RegionUninit(&drmmode_crtc->scanout_last_region);
}

static Bool
drmmode_can_use_hw_cursor(xf86CrtcPtr crtc)
{
	RADEONInfoPtr info = RADEONPTR(crtc->scrn);

	/* Check for Option "SWcursor" */
	if (xf86ReturnOptValBool(info->Options, OPTION_SW_CURSOR, FALSE))
		return FALSE;

	/* Fall back to SW cursor if the CRTC is transformed */
	if (crtc->transformPresent)
		return FALSE;

#if XF86_CRTC_VERSION < 7
	/* Xorg doesn't correctly handle cursor position transform in the
	 * rotation case
	 */
	if (crtc->driverIsPerformingTransform &&
	    (crtc->rotation & 0xf) != RR_Rotate_0)
		return FALSE;
#endif

	/* HW cursor not supported with RandR 1.4 multihead up to 1.18.99.901 */
	if (xorgGetVersion() <= XORG_VERSION_NUMERIC(1,18,99,901,0) &&
	    !xorg_list_is_empty(&crtc->scrn->pScreen->pixmap_dirty_list))
		return FALSE;

	return TRUE;
}

static void
drmmode_crtc_update_tear_free(xf86CrtcPtr crtc)
{
	RADEONInfoPtr info = RADEONPTR(crtc->scrn);
	xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	int i;

	drmmode_crtc->tear_free = FALSE;

	for (i = 0; i < xf86_config->num_output; i++) {
		xf86OutputPtr output = xf86_config->output[i];
		drmmode_output_private_ptr drmmode_output = output->driver_private;

		if (output->crtc != crtc)
			continue;

		if (drmmode_output->tear_free == 1 ||
		    (drmmode_output->tear_free == 2 &&
		     (crtc->scrn->pScreen->isGPU ||
		      info->shadow_primary ||
		      crtc->transformPresent || crtc->rotation != RR_Rotate_0))) {
			drmmode_crtc->tear_free = TRUE;
			return;
		}
	}
}

#if XF86_CRTC_VERSION < 7
#define XF86DriverTransformOutput TRUE
#define XF86DriverTransformNone FALSE
#endif

static Bool
drmmode_handle_transform(xf86CrtcPtr crtc)
{
	Bool ret;

#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,15,99,903,0)
	if (crtc->transformPresent || crtc->rotation != RR_Rotate_0)
	    crtc->driverIsPerformingTransform = XF86DriverTransformOutput;
	else
	    crtc->driverIsPerformingTransform = XF86DriverTransformNone;
#else
	crtc->driverIsPerformingTransform = !crtc->transformPresent &&
		crtc->rotation != RR_Rotate_0 &&
		(crtc->rotation & 0xf) == RR_Rotate_0;
#endif

	ret = xf86CrtcRotate(crtc);

	crtc->driverIsPerformingTransform &= ret && crtc->transform_in_use;

	return ret;
}


static void
drmmode_crtc_prime_scanout_update(xf86CrtcPtr crtc, DisplayModePtr mode,
				  unsigned scanout_id, struct drmmode_fb **fb,
				  int *x, int *y)
{
	ScrnInfoPtr scrn = crtc->scrn;
	ScreenPtr screen = scrn->pScreen;
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;

	if (drmmode_crtc->tear_free &&
	    !drmmode_crtc->scanout[1].pixmap) {
		RegionPtr region;
		BoxPtr box;

		drmmode_crtc_scanout_create(crtc, &drmmode_crtc->scanout[1],
					    mode->HDisplay,
					    mode->VDisplay);
		region = &drmmode_crtc->scanout_last_region;
		RegionUninit(region);
		region->data = NULL;
		box = RegionExtents(region);
		box->x1 = crtc->x;
		box->y1 = crtc->y;
		box->x2 = crtc->x + mode->HDisplay;
		box->y2 = crtc->y + mode->VDisplay;
	}

	if (scanout_id != drmmode_crtc->scanout_id) {
		PixmapDirtyUpdatePtr dirty = NULL;

		xorg_list_for_each_entry(dirty, &screen->pixmap_dirty_list,
					 ent) {
			if (radeon_dirty_src_equals(dirty, drmmode_crtc->prime_scanout_pixmap)) {
				dirty->slave_dst =
					drmmode_crtc->scanout[scanout_id].pixmap;
				break;
			}
		}

		if (!drmmode_crtc->tear_free) {
			GCPtr gc = GetScratchGC(scrn->depth, screen);

			ValidateGC(&drmmode_crtc->scanout[0].pixmap->drawable, gc);
			gc->ops->CopyArea(&drmmode_crtc->scanout[1].pixmap->drawable,
					  &drmmode_crtc->scanout[0].pixmap->drawable,
					  gc, 0, 0, mode->HDisplay, mode->VDisplay,
					  0, 0);
			FreeScratchGC(gc);
			radeon_cs_flush_indirect(scrn);
			radeon_bo_wait(drmmode_crtc->scanout[0].bo);
		}
	}

	*fb = radeon_pixmap_get_fb(drmmode_crtc->scanout[scanout_id].pixmap);
	*x = *y = 0;
	drmmode_crtc->scanout_id = scanout_id;
}
	

static void
drmmode_crtc_scanout_update(xf86CrtcPtr crtc, DisplayModePtr mode,
			    unsigned scanout_id, struct drmmode_fb **fb, int *x,
			    int *y)
{
	ScrnInfoPtr scrn = crtc->scrn;
	ScreenPtr screen = scrn->pScreen;
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;

	drmmode_crtc_scanout_create(crtc, &drmmode_crtc->scanout[scanout_id],
				    mode->HDisplay, mode->VDisplay);
	if (drmmode_crtc->tear_free) {
		drmmode_crtc_scanout_create(crtc,
					    &drmmode_crtc->scanout[scanout_id ^ 1],
					    mode->HDisplay, mode->VDisplay);
	}

	if (drmmode_crtc->scanout[scanout_id].pixmap &&
	    (!drmmode_crtc->tear_free ||
	     drmmode_crtc->scanout[scanout_id ^ 1].pixmap)) {
		RegionPtr region;
		BoxPtr box;

		if (!drmmode_crtc->scanout_damage) {
			drmmode_crtc->scanout_damage =
				DamageCreate(radeon_screen_damage_report,
					     drmmode_screen_damage_destroy,
					     DamageReportRawRegion,
					     TRUE, screen, drmmode_crtc);
			DamageRegister(&screen->root->drawable,
				       drmmode_crtc->scanout_damage);
		}

		region = DamageRegion(drmmode_crtc->scanout_damage);
		RegionUninit(region);
		region->data = NULL;
		box = RegionExtents(region);
		box->x1 = 0;
		box->y1 = 0;
		box->x2 = max(box->x2, scrn->virtualX);
		box->y2 = max(box->y2, scrn->virtualY);

		*fb = radeon_pixmap_get_fb(drmmode_crtc->scanout[scanout_id].pixmap);
		*x = *y = 0;

		radeon_scanout_do_update(crtc, scanout_id,
					 screen->GetWindowPixmap(screen->root),
					 box);
		radeon_bo_wait(drmmode_crtc->scanout[scanout_id].bo);
	}
}

static void
drmmode_crtc_gamma_do_set(xf86CrtcPtr crtc, uint16_t *red, uint16_t *green,
			  uint16_t *blue, int size)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn);

	drmModeCrtcSetGamma(pRADEONEnt->fd,
			    drmmode_crtc->mode_crtc->crtc_id, size, red, green,
			    blue);
}

Bool
drmmode_set_mode(xf86CrtcPtr crtc, struct drmmode_fb *fb, DisplayModePtr mode,
		 int x, int y)
{
	ScrnInfoPtr scrn = crtc->scrn;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(scrn);
	xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	uint32_t *output_ids = calloc(sizeof(uint32_t), xf86_config->num_output);
	int output_count = 0;
	drmModeModeInfo kmode;
	Bool ret;
	int i;

	if (!output_ids)
		return FALSE;

	for (i = 0; i < xf86_config->num_output; i++) {
		xf86OutputPtr output = xf86_config->output[i];
		drmmode_output_private_ptr drmmode_output = output->driver_private;

		if (output->crtc != crtc)
			continue;

		output_ids[output_count] = drmmode_output->mode_output->connector_id;
		output_count++;
	}

	drmmode_ConvertToKMode(scrn, &kmode, mode);

	ret = drmModeSetCrtc(pRADEONEnt->fd,
			     drmmode_crtc->mode_crtc->crtc_id,
			     fb->handle, x, y, output_ids,
			     output_count, &kmode) == 0;

	if (ret) {
		drmmode_fb_reference(pRADEONEnt->fd, &drmmode_crtc->fb, fb);
	} else {
		xf86DrvMsg(scrn->scrnIndex, X_ERROR,
			   "failed to set mode: %s\n", strerror(errno));
	}

	free(output_ids);
	return ret;
}

static Bool
drmmode_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
		     Rotation rotation, int x, int y)
{
	ScrnInfoPtr pScrn = crtc->scrn;
	ScreenPtr pScreen = pScrn->pScreen;
	RADEONInfoPtr info = RADEONPTR(pScrn);
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
	xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	unsigned scanout_id = 0;
	drmmode_ptr drmmode = drmmode_crtc->drmmode;
	int saved_x, saved_y;
	Rotation saved_rotation;
	DisplayModeRec saved_mode;
	Bool ret = FALSE;
	int i;
	struct drmmode_fb *fb = NULL;

	/* The root window contents may be undefined before the WindowExposures
	 * hook is called for it, so bail if we get here before that
	 */
	if (pScreen->WindowExposures == RADEONWindowExposures_oneshot)
		return FALSE;

	saved_mode = crtc->mode;
	saved_x = crtc->x;
	saved_y = crtc->y;
	saved_rotation = crtc->rotation;

	if (mode) {
		crtc->mode = *mode;
		crtc->x = x;
		crtc->y = y;
		crtc->rotation = rotation;

		if (!drmmode_handle_transform(crtc))
			goto done;

		drmmode_crtc_update_tear_free(crtc);
		if (drmmode_crtc->tear_free)
			scanout_id = drmmode_crtc->scanout_id;

		drmmode_crtc_gamma_do_set(crtc, crtc->gamma_red, crtc->gamma_green,
					  crtc->gamma_blue, crtc->gamma_size);

		if (drmmode_crtc->prime_scanout_pixmap) {
			drmmode_crtc_prime_scanout_update(crtc, mode, scanout_id,
							  &fb, &x, &y);
		} else if (drmmode_crtc->rotate.pixmap) {
			fb = radeon_pixmap_get_fb(drmmode_crtc->rotate.pixmap);
			x = y = 0;

		} else if (!pScreen->isGPU &&
			   (drmmode_crtc->tear_free ||
			    crtc->driverIsPerformingTransform ||
			    info->shadow_primary)) {
			drmmode_crtc_scanout_update(crtc, mode, scanout_id,
						    &fb, &x, &y);
		}

		if (!fb)
			fb = radeon_pixmap_get_fb(pScreen->GetWindowPixmap(pScreen->root));
		if (!fb) {
			fb = radeon_fb_create(pRADEONEnt->fd, pScrn->virtualX,
					      pScrn->virtualY, pScrn->depth,
					      pScrn->bitsPerPixel,
					      pScrn->displayWidth * info->pixel_bytes,
					      info->front_bo->handle);
			/* Prevent refcnt of ad-hoc FBs from reaching 2 */
			drmmode_fb_reference(pRADEONEnt->fd, &drmmode_crtc->fb, NULL);
			drmmode_crtc->fb = fb;
		}
		if (!fb) {
			ErrorF("failed to add FB for modeset\n");
			goto done;
		}

		drmmode_crtc_wait_pending_event(drmmode_crtc, pRADEONEnt->fd,
						drmmode_crtc->flip_pending);

		if (!drmmode_set_mode(crtc, fb, mode, x, y))
			goto done;

		ret = TRUE;

		if (pScreen)
			xf86CrtcSetScreenSubpixelOrder(pScreen);

		drmmode_crtc->need_modeset = FALSE;

		/* go through all the outputs and force DPMS them back on? */
		for (i = 0; i < xf86_config->num_output; i++) {
			xf86OutputPtr output = xf86_config->output[i];

			if (output->crtc != crtc)
				continue;

			output->funcs->dpms(output, DPMSModeOn);
		}
	}

	/* Compute index of this CRTC into xf86_config->crtc */
	for (i = 0; i < xf86_config->num_crtc; i++) {
		if (xf86_config->crtc[i] != crtc)
			continue;

		if (!crtc->enabled || drmmode_can_use_hw_cursor(crtc))
			info->hwcursor_disabled &= ~(1 << i);
		else
			info->hwcursor_disabled |= 1 << i;

		break;
	}

#ifndef HAVE_XF86_CURSOR_RESET_CURSOR
	if (!info->hwcursor_disabled)
		xf86_reload_cursors(pScreen);
#endif

done:
	if (!ret) {
		crtc->x = saved_x;
		crtc->y = saved_y;
		crtc->rotation = saved_rotation;
		crtc->mode = saved_mode;
	} else {
		crtc->active = TRUE;

		if (drmmode_crtc->scanout[scanout_id].pixmap &&
		    fb != radeon_pixmap_get_fb(drmmode_crtc->
					       scanout[scanout_id].pixmap))
			drmmode_crtc_scanout_free(drmmode_crtc);
		else if (!drmmode_crtc->tear_free) {
			drmmode_crtc_scanout_destroy(drmmode,
						     &drmmode_crtc->scanout[1]);
		}
	}

	return ret;
}

static void
drmmode_set_cursor_colors (xf86CrtcPtr crtc, int bg, int fg)
{

}

static void
drmmode_set_cursor_position (xf86CrtcPtr crtc, int x, int y)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn);

#if XF86_CRTC_VERSION < 7
	if (crtc->driverIsPerformingTransform) {
		x += crtc->x;
		y += crtc->y;
		xf86CrtcTransformCursorPos(crtc, &x, &y);
	}
#endif

	drmModeMoveCursor(pRADEONEnt->fd, drmmode_crtc->mode_crtc->crtc_id, x, y);
}

#if XF86_CRTC_VERSION < 7

static int
drmmode_cursor_src_offset(Rotation rotation, int width, int height,
			  int x_dst, int y_dst)
{
	int t;

	switch (rotation & 0xf) {
	case RR_Rotate_90:
		t = x_dst;
		x_dst = height - y_dst - 1;
		y_dst = t;
		break;
	case RR_Rotate_180:
		x_dst = width - x_dst - 1;
		y_dst = height - y_dst - 1;
		break;
	case RR_Rotate_270:
		t = x_dst;
		x_dst = y_dst;
		y_dst = width - t - 1;
		break;
	}

	if (rotation & RR_Reflect_X)
		x_dst = width - x_dst - 1;
	if (rotation & RR_Reflect_Y)
		y_dst = height - y_dst - 1;

	return y_dst * height + x_dst;
}

#endif

static uint32_t
drmmode_cursor_gamma(xf86CrtcPtr crtc, uint32_t argb)
{
	uint32_t alpha = argb >> 24;
	uint32_t rgb[3];
	int i;

	if (!alpha)
		return 0;

	if (crtc->scrn->depth != 24 && crtc->scrn->depth != 32)
		return argb;

	/* Un-premultiply alpha */
	for (i = 0; i < 3; i++)
		rgb[i] = ((argb >> (i * 8)) & 0xff) * 0xff / alpha;

	/* Apply gamma correction and pre-multiply alpha */
	rgb[0] = (crtc->gamma_blue[rgb[0]] >> 8) * alpha / 0xff;
	rgb[1] = (crtc->gamma_green[rgb[1]] >> 8) * alpha / 0xff;
	rgb[2] = (crtc->gamma_red[rgb[2]] >> 8) * alpha / 0xff;

	return alpha << 24 | rgb[2] << 16 | rgb[1] << 8 | rgb[0];
}

static void
drmmode_load_cursor_argb (xf86CrtcPtr crtc, CARD32 *image)
{
	ScrnInfoPtr pScrn = crtc->scrn;
	RADEONInfoPtr info = RADEONPTR(pScrn);
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	uint32_t *ptr;

	/* cursor should be mapped already */
	ptr = (uint32_t *)(drmmode_crtc->cursor_bo->ptr);

#if XF86_CRTC_VERSION < 7
	if (crtc->driverIsPerformingTransform) {
		uint32_t cursor_w = info->cursor_w, cursor_h = info->cursor_h;
		int dstx, dsty;
		int srcoffset;

		for (dsty = 0; dsty < cursor_h; dsty++) {
			for (dstx = 0; dstx < cursor_w; dstx++) {
				srcoffset = drmmode_cursor_src_offset(crtc->rotation,
								      cursor_w,
								      cursor_h,
								      dstx, dsty);

				ptr[dsty * info->cursor_w + dstx] =
					cpu_to_le32(drmmode_cursor_gamma(crtc,
									 image[srcoffset]));
			}
		}
	} else
#endif
	{
		uint32_t cursor_size = info->cursor_w * info->cursor_h;
		int i;

		for (i = 0; i < cursor_size; i++)
			ptr[i] = cpu_to_le32(drmmode_cursor_gamma(crtc, image[i]));
	}
}

#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,15,99,903,0)

static Bool drmmode_load_cursor_argb_check(xf86CrtcPtr crtc, CARD32 * image)
{
	if (!drmmode_can_use_hw_cursor(crtc))
		return FALSE;

	drmmode_load_cursor_argb(crtc, image);
	return TRUE;
}

#endif

static void
drmmode_hide_cursor (xf86CrtcPtr crtc)
{
	ScrnInfoPtr pScrn = crtc->scrn;
	RADEONInfoPtr info = RADEONPTR(pScrn);
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);

	drmModeSetCursor(pRADEONEnt->fd, drmmode_crtc->mode_crtc->crtc_id, 0,
			 info->cursor_w, info->cursor_h);

}

static void
drmmode_show_cursor (xf86CrtcPtr crtc)
{
	ScrnInfoPtr pScrn = crtc->scrn;
	RADEONInfoPtr info = RADEONPTR(pScrn);
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
	uint32_t handle = drmmode_crtc->cursor_bo->handle;
	static Bool use_set_cursor2 = TRUE;

	if (use_set_cursor2) {
	    xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
	    CursorPtr cursor = xf86_config->cursor;
	    int xhot = cursor->bits->xhot;
	    int yhot = cursor->bits->yhot;
	    int ret;

	    if (crtc->rotation != RR_Rotate_0 &&
		crtc->rotation != (RR_Rotate_180 | RR_Reflect_X |
				   RR_Reflect_Y)) {
		int t;

		/* Reflect & rotate hotspot position */
		if (crtc->rotation & RR_Reflect_X)
		    xhot = info->cursor_w - xhot - 1;
		if (crtc->rotation & RR_Reflect_Y)
		    yhot = info->cursor_h - yhot - 1;

		switch (crtc->rotation & 0xf) {
		case RR_Rotate_90:
		    t = xhot;
		    xhot = yhot;
		    yhot = info->cursor_w - t - 1;
		    break;
		case RR_Rotate_180:
		    xhot = info->cursor_w - xhot - 1;
		    yhot = info->cursor_h - yhot - 1;
		    break;
		case RR_Rotate_270:
		    t = xhot;
		    xhot = info->cursor_h - yhot - 1;
		    yhot = t;
		}
	    }

	    ret =
		drmModeSetCursor2(pRADEONEnt->fd, drmmode_crtc->mode_crtc->crtc_id,
				  handle, info->cursor_w, info->cursor_h,
				  xhot, yhot);
	    if (ret == -EINVAL)
		use_set_cursor2 = FALSE;
	    else
		return;
	}

	drmModeSetCursor(pRADEONEnt->fd, drmmode_crtc->mode_crtc->crtc_id, handle,
			 info->cursor_w, info->cursor_h);
}

/* Xorg expects a non-NULL return value from drmmode_crtc_shadow_allocate, and
 * passes that back to drmmode_crtc_scanout_create; it doesn't use it for
 * anything else.
 */
static void *
drmmode_crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;

	if (!drmmode_crtc_scanout_create(crtc, &drmmode_crtc->rotate, width,
					 height))
		return NULL;

	return (void*)~0UL;
}

static PixmapPtr
drmmode_crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;

	if (!data) {
		drmmode_crtc_scanout_create(crtc, &drmmode_crtc->rotate, width,
					    height);
	}

	return drmmode_crtc->rotate.pixmap;
}

static void
drmmode_crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	drmmode_ptr drmmode = drmmode_crtc->drmmode;

	drmmode_crtc_scanout_destroy(drmmode, &drmmode_crtc->rotate);
}

static void
drmmode_crtc_gamma_set(xf86CrtcPtr crtc, uint16_t *red, uint16_t *green,
                      uint16_t *blue, int size)
{
	ScrnInfoPtr scrn = crtc->scrn;
	xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
	RADEONInfoPtr info = RADEONPTR(scrn);
	int i;

	drmmode_crtc_gamma_do_set(crtc, red, green, blue, size);

	/* Compute index of this CRTC into xf86_config->crtc */
	for (i = 0; xf86_config->crtc[i] != crtc; i++) {}

	if (info->hwcursor_disabled & (1 << i))
		return;

#ifdef HAVE_XF86_CURSOR_RESET_CURSOR
	xf86CursorResetCursor(scrn->pScreen);
#else
	xf86_reload_cursors(scrn->pScreen);
#endif
}

static Bool
drmmode_set_scanout_pixmap(xf86CrtcPtr crtc, PixmapPtr ppix)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	unsigned scanout_id = drmmode_crtc->scanout_id;
	ScreenPtr screen = crtc->scrn->pScreen;
	PixmapDirtyUpdatePtr dirty;

	xorg_list_for_each_entry(dirty, &screen->pixmap_dirty_list, ent) {
		if (radeon_dirty_src_equals(dirty, drmmode_crtc->prime_scanout_pixmap)) {
			PixmapStopDirtyTracking(dirty->src, dirty->slave_dst);
			break;
		}
	}

	drmmode_crtc_scanout_free(drmmode_crtc);
	drmmode_crtc->prime_scanout_pixmap = NULL;

	if (!ppix)
		return TRUE;

	if (!drmmode_crtc_scanout_create(crtc, &drmmode_crtc->scanout[0],
					 ppix->drawable.width,
					 ppix->drawable.height))
		return FALSE;

	if (drmmode_crtc->tear_free &&
	    !drmmode_crtc_scanout_create(crtc, &drmmode_crtc->scanout[1],
					 ppix->drawable.width,
					 ppix->drawable.height)) {
		drmmode_crtc_scanout_free(drmmode_crtc);
		return FALSE;
	}

	drmmode_crtc->prime_scanout_pixmap = ppix;

#ifdef HAS_DIRTYTRACKING_DRAWABLE_SRC
	PixmapStartDirtyTracking(&ppix->drawable,
				 drmmode_crtc->scanout[scanout_id].pixmap,
				 0, 0, 0, 0, RR_Rotate_0);
#elif defined(HAS_DIRTYTRACKING_ROTATION)
	PixmapStartDirtyTracking(ppix, drmmode_crtc->scanout[scanout_id].pixmap,
				 0, 0, 0, 0, RR_Rotate_0);
#elif defined(HAS_DIRTYTRACKING2)
	PixmapStartDirtyTracking2(ppix, drmmode_crtc->scanout[scanout_id].pixmap,
				  0, 0, 0, 0);
#else
	PixmapStartDirtyTracking(ppix, drmmode_crtc->scanout[scanout_id].pixmap, 0, 0);
#endif
	return TRUE;
}

static xf86CrtcFuncsRec drmmode_crtc_funcs = {
    .dpms = drmmode_crtc_dpms,
    .set_mode_major = drmmode_set_mode_major,
    .set_cursor_colors = drmmode_set_cursor_colors,
    .set_cursor_position = drmmode_set_cursor_position,
    .show_cursor = drmmode_show_cursor,
    .hide_cursor = drmmode_hide_cursor,
    .load_cursor_argb = drmmode_load_cursor_argb,
#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,15,99,903,0)
    .load_cursor_argb_check = drmmode_load_cursor_argb_check,
#endif

    .gamma_set = drmmode_crtc_gamma_set,
    .shadow_create = drmmode_crtc_shadow_create,
    .shadow_allocate = drmmode_crtc_shadow_allocate,
    .shadow_destroy = drmmode_crtc_shadow_destroy,
    .destroy = NULL, /* XXX */
    .set_scanout_pixmap = drmmode_set_scanout_pixmap,
};

int drmmode_get_crtc_id(xf86CrtcPtr crtc)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	return drmmode_crtc->hw_id;
}

void drmmode_crtc_hw_id(xf86CrtcPtr crtc)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn);
	struct drm_radeon_info ginfo;
	int r;
	uint32_t tmp;

	memset(&ginfo, 0, sizeof(ginfo));
	ginfo.request = 0x4;
	tmp = drmmode_crtc->mode_crtc->crtc_id;
	ginfo.value = (uintptr_t)&tmp;
	r = drmCommandWriteRead(pRADEONEnt->fd, DRM_RADEON_INFO, &ginfo, sizeof(ginfo));
	if (r) {
		drmmode_crtc->hw_id = -1;
		return;
	}
	drmmode_crtc->hw_id = tmp;
}

static unsigned int
drmmode_crtc_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_res, int num)
{
	xf86CrtcPtr crtc;
	drmmode_crtc_private_ptr drmmode_crtc;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);

	crtc = xf86CrtcCreate(pScrn, &drmmode_crtc_funcs);
	if (crtc == NULL)
		return 0;

	drmmode_crtc = xnfcalloc(sizeof(drmmode_crtc_private_rec), 1);
	drmmode_crtc->mode_crtc = drmModeGetCrtc(pRADEONEnt->fd, mode_res->crtcs[num]);
	drmmode_crtc->drmmode = drmmode;
	drmmode_crtc->dpms_mode = DPMSModeOff;
	crtc->driver_private = drmmode_crtc;
	drmmode_crtc_hw_id(crtc);

	/* Mark num'th crtc as in use on this device. */
	pRADEONEnt->assigned_crtcs |= (1 << num);
	xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
		       "Allocated crtc nr. %d to this screen.\n", num);

	return 1;
}

static xf86OutputStatus
drmmode_output_detect(xf86OutputPtr output)
{
	/* go to the hw and retrieve a new output struct */
	drmmode_output_private_ptr drmmode_output = output->driver_private;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(output->scrn);
	xf86OutputStatus status;
	drmModeFreeConnector(drmmode_output->mode_output);

	drmmode_output->mode_output = drmModeGetConnector(pRADEONEnt->fd, drmmode_output->output_id);
	if (!drmmode_output->mode_output)
		return XF86OutputStatusDisconnected;

	switch (drmmode_output->mode_output->connection) {
	case DRM_MODE_CONNECTED:
		status = XF86OutputStatusConnected;
		break;
	case DRM_MODE_DISCONNECTED:
		status = XF86OutputStatusDisconnected;
		break;
	default:
	case DRM_MODE_UNKNOWNCONNECTION:
		status = XF86OutputStatusUnknown;
		break;
	}
	return status;
}

static Bool
drmmode_output_mode_valid(xf86OutputPtr output, DisplayModePtr pModes)
{
	return MODE_OK;
}

static DisplayModePtr
drmmode_output_get_modes(xf86OutputPtr output)
{
	drmmode_output_private_ptr drmmode_output = output->driver_private;
	drmModeConnectorPtr koutput = drmmode_output->mode_output;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(output->scrn);
	int i;
	DisplayModePtr Modes = NULL, Mode;
	drmModePropertyPtr props;
	xf86MonPtr mon = NULL;

	if (!koutput)
		return NULL;

	/* look for an EDID property */
	for (i = 0; i < koutput->count_props; i++) {
		props = drmModeGetProperty(pRADEONEnt->fd, koutput->props[i]);
		if (props && (props->flags & DRM_MODE_PROP_BLOB)) {
			if (!strcmp(props->name, "EDID")) {
				if (drmmode_output->edid_blob)
					drmModeFreePropertyBlob(drmmode_output->edid_blob);
				drmmode_output->edid_blob = drmModeGetPropertyBlob(pRADEONEnt->fd, koutput->prop_values[i]);
			}
		}
		if (props)
			drmModeFreeProperty(props);
	}

	if (drmmode_output->edid_blob) {
		mon = xf86InterpretEDID(output->scrn->scrnIndex,
					drmmode_output->edid_blob->data);
		if (mon && drmmode_output->edid_blob->length > 128)
			mon->flags |= MONITOR_EDID_COMPLETE_RAWDATA;
	}
	xf86OutputSetEDID(output, mon);

	/* 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);

	}
	return Modes;
}

static void
drmmode_output_destroy(xf86OutputPtr output)
{
	drmmode_output_private_ptr drmmode_output = output->driver_private;
	int i;

	if (drmmode_output->edid_blob)
		drmModeFreePropertyBlob(drmmode_output->edid_blob);
	for (i = 0; i < drmmode_output->num_props; i++) {
		drmModeFreeProperty(drmmode_output->props[i].mode_prop);
		free(drmmode_output->props[i].atoms);
	}
	for (i = 0; i < drmmode_output->mode_output->count_encoders; i++) {
		drmModeFreeEncoder(drmmode_output->mode_encoders[i]);
	}
	free(drmmode_output->mode_encoders);
	free(drmmode_output->props);
	drmModeFreeConnector(drmmode_output->mode_output);
	free(drmmode_output);
	output->driver_private = NULL;
}

static void
drmmode_output_dpms(xf86OutputPtr output, int mode)
{
	drmmode_output_private_ptr drmmode_output = output->driver_private;
	xf86CrtcPtr crtc = output->crtc;
	drmModeConnectorPtr koutput = drmmode_output->mode_output;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(output->scrn);

	if (!koutput)
		return;

	if (mode != DPMSModeOn && crtc)
		drmmode_do_crtc_dpms(crtc, mode);

	drmModeConnectorSetProperty(pRADEONEnt->fd, koutput->connector_id,
				    drmmode_output->dpms_enum_id, mode);

	if (mode == DPMSModeOn && crtc) {
	    drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;

	    if (drmmode_crtc->need_modeset)
		drmmode_set_mode_major(crtc, &crtc->mode, crtc->rotation, crtc->x,
				       crtc->y);
	    else
		drmmode_do_crtc_dpms(crtc, mode);
	}
}


static Bool
drmmode_property_ignore(drmModePropertyPtr prop)
{
    if (!prop)
	return TRUE;
    /* ignore blob prop */
    if (prop->flags & DRM_MODE_PROP_BLOB)
	return TRUE;
    /* ignore standard property */
    if (!strcmp(prop->name, "EDID") ||
	    !strcmp(prop->name, "DPMS"))
	return TRUE;

    return FALSE;
}

static void
drmmode_output_create_resources(xf86OutputPtr output)
{
    RADEONInfoPtr info = RADEONPTR(output->scrn);
    drmmode_output_private_ptr drmmode_output = output->driver_private;
    drmModeConnectorPtr mode_output = drmmode_output->mode_output;
    RADEONEntPtr pRADEONEnt = RADEONEntPriv(output->scrn);
    drmModePropertyPtr drmmode_prop, tearfree_prop;
    int i, j, err;

    drmmode_output->props = calloc(mode_output->count_props + 1, sizeof(drmmode_prop_rec));
    if (!drmmode_output->props)
	return;
    
    drmmode_output->num_props = 0;
    for (i = 0, j = 0; i < mode_output->count_props; i++) {
	drmmode_prop = drmModeGetProperty(pRADEONEnt->fd, mode_output->props[i]);
	if (drmmode_property_ignore(drmmode_prop)) {
	    drmModeFreeProperty(drmmode_prop);
	    continue;
	}
	drmmode_output->props[j].mode_prop = drmmode_prop;
	drmmode_output->props[j].value = mode_output->prop_values[i];
	drmmode_output->num_props++;
	j++;
    }

    /* Userspace-only property for TearFree */
    tearfree_prop = calloc(1, sizeof(*tearfree_prop));
    tearfree_prop->flags = DRM_MODE_PROP_ENUM;
    strncpy(tearfree_prop->name, "TearFree", 8);
    tearfree_prop->count_enums = 3;
    tearfree_prop->enums = calloc(tearfree_prop->count_enums,
				  sizeof(*tearfree_prop->enums));
    strncpy(tearfree_prop->enums[0].name, "off", 3);
    strncpy(tearfree_prop->enums[1].name, "on", 2);
    tearfree_prop->enums[1].value = 1;
    strncpy(tearfree_prop->enums[2].name, "auto", 4);
    tearfree_prop->enums[2].value = 2;
    drmmode_output->props[j].mode_prop = tearfree_prop;
    drmmode_output->props[j].value = info->tear_free;
    drmmode_output->tear_free = info->tear_free;
    drmmode_output->num_props++;

    for (i = 0; i < drmmode_output->num_props; i++) {
	drmmode_prop_ptr p = &drmmode_output->props[i];
	drmmode_prop = p->mode_prop;

	if (drmmode_prop->flags & DRM_MODE_PROP_RANGE) {
	    INT32 range[2];
	    INT32 value = p->value;

	    p->num_atoms = 1;
	    p->atoms = calloc(p->num_atoms, sizeof(Atom));
	    if (!p->atoms)
		continue;
	    p->atoms[0] = MakeAtom(drmmode_prop->name, strlen(drmmode_prop->name), TRUE);
	    range[0] = drmmode_prop->values[0];
	    range[1] = drmmode_prop->values[1];
	    err = RRConfigureOutputProperty(output->randr_output, p->atoms[0],
		    FALSE, TRUE,
		    drmmode_prop->flags & DRM_MODE_PROP_IMMUTABLE ? TRUE : FALSE,
		    2, range);
	    if (err != 0) {
		xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
			"RRConfigureOutputProperty error, %d\n", err);
	    }
	    err = RRChangeOutputProperty(output->randr_output, p->atoms[0],
		    XA_INTEGER, 32, PropModeReplace, 1, &value, FALSE, TRUE);
	    if (err != 0) {
		xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
			"RRChangeOutputProperty error, %d\n", err);
	    }
	} else if (drmmode_prop->flags & DRM_MODE_PROP_ENUM) {
	    p->num_atoms = drmmode_prop->count_enums + 1;
	    p->atoms = calloc(p->num_atoms, sizeof(Atom));
	    if (!p->atoms)
		continue;
	    p->atoms[0] = MakeAtom(drmmode_prop->name, strlen(drmmode_prop->name), TRUE);
	    for (j = 1; j <= drmmode_prop->count_enums; j++) {
		struct drm_mode_property_enum *e = &drmmode_prop->enums[j-1];
		p->atoms[j] = MakeAtom(e->name, strlen(e->name), TRUE);
	    }
	    err = RRConfigureOutputProperty(output->randr_output, p->atoms[0],
		    FALSE, FALSE,
		    drmmode_prop->flags & DRM_MODE_PROP_IMMUTABLE ? TRUE : FALSE,
		    p->num_atoms - 1, (INT32 *)&p->atoms[1]);
	    if (err != 0) {
		xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
			"RRConfigureOutputProperty error, %d\n", err);
	    }
	    for (j = 0; j < drmmode_prop->count_enums; j++)
		if (drmmode_prop->enums[j].value == p->value)
		    break;
	    /* there's always a matching value */
	    err = RRChangeOutputProperty(output->randr_output, p->atoms[0],
		    XA_ATOM, 32, PropModeReplace, 1, &p->atoms[j+1], FALSE, TRUE);
	    if (err != 0) {
		xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
			"RRChangeOutputProperty error, %d\n", err);
	    }
	}
    }
}

static Bool
drmmode_output_set_property(xf86OutputPtr output, Atom property,
		RRPropertyValuePtr value)
{
    drmmode_output_private_ptr drmmode_output = output->driver_private;
    RADEONEntPtr pRADEONEnt = RADEONEntPriv(output->scrn);
    int i;

    for (i = 0; i < drmmode_output->num_props; i++) {
	drmmode_prop_ptr p = &drmmode_output->props[i];

	if (p->atoms[0] != property)
	    continue;

	if (p->mode_prop->flags & DRM_MODE_PROP_RANGE) {
	    uint32_t val;

	    if (value->type != XA_INTEGER || value->format != 32 ||
		    value->size != 1)
		return FALSE;
	    val = *(uint32_t *)value->data;

	    drmModeConnectorSetProperty(pRADEONEnt->fd, drmmode_output->output_id,
		    p->mode_prop->prop_id, (uint64_t)val);
	    return TRUE;
	} else if (p->mode_prop->flags & DRM_MODE_PROP_ENUM) {
	    Atom	atom;
	    const char	*name;
	    int		j;

	    if (value->type != XA_ATOM || value->format != 32 || value->size != 1)
		return FALSE;
	    memcpy(&atom, value->data, 4);
	    if (!(name = NameForAtom(atom)))
                return FALSE;

	    /* search for matching name string, then set its value down */
	    for (j = 0; j < p->mode_prop->count_enums; j++) {
		if (!strcmp(p->mode_prop->enums[j].name, name)) {
		    if (i == (drmmode_output->num_props - 1)) {
			if (drmmode_output->tear_free != j) {
			    xf86CrtcPtr crtc = output->crtc;

			    drmmode_output->tear_free = j;
			    if (crtc) {
				drmmode_set_mode_major(crtc, &crtc->mode,
						       crtc->rotation,
						       crtc->x, crtc->y);
			    }
			}
		    } else {
			drmModeConnectorSetProperty(pRADEONEnt->fd,
						    drmmode_output->output_id,
						    p->mode_prop->prop_id,
						    p->mode_prop->enums[j].value);
		    }

		    return TRUE;
		}
	    }
	}
    }

    return TRUE;
}

static Bool
drmmode_output_get_property(xf86OutputPtr output, Atom property)
{
    return TRUE;
}

static const xf86OutputFuncsRec drmmode_output_funcs = {
    .dpms = drmmode_output_dpms,
    .create_resources = drmmode_output_create_resources,
    .set_property = drmmode_output_set_property,
    .get_property = drmmode_output_get_property,
#if 0

    .save = drmmode_crt_save,
    .restore = drmmode_crt_restore,
    .mode_fixup = drmmode_crt_mode_fixup,
    .prepare = drmmode_output_prepare,
    .mode_set = drmmode_crt_mode_set,
    .commit = drmmode_output_commit,
#endif
    .detect = drmmode_output_detect,
    .mode_valid = drmmode_output_mode_valid,

    .get_modes = drmmode_output_get_modes,
    .destroy = drmmode_output_destroy
};

static int subpixel_conv_table[7] = { 0, SubPixelUnknown,
				      SubPixelHorizontalRGB,
				      SubPixelHorizontalBGR,
				      SubPixelVerticalRGB,
				      SubPixelVerticalBGR,
				      SubPixelNone };

const char *output_names[] = { "None",
			       "VGA",
			       "DVI",
			       "DVI",
			       "DVI",
			       "Composite",
			       "S-video",
			       "LVDS",
			       "CTV",
			       "DIN",
			       "DisplayPort",
			       "HDMI",
			       "HDMI",
			       "TV",
			       "eDP"
};

#define NUM_OUTPUT_NAMES (sizeof(output_names) / sizeof(output_names[0]))

static xf86OutputPtr find_output(ScrnInfoPtr pScrn, int id)
{
	xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
	int i;
	for (i = 0; i < xf86_config->num_output; i++) {
		xf86OutputPtr output = xf86_config->output[i];
		drmmode_output_private_ptr drmmode_output;

		drmmode_output = output->driver_private;
		if (drmmode_output->output_id == id)
			return output;
	}
	return NULL;
}

static int parse_path_blob(drmModePropertyBlobPtr path_blob, int *conn_base_id, char **path)
{
	char *conn;
	char conn_id[5];
	int id, len;
	char *blob_data;

	if (!path_blob)
		return -1;

	blob_data = path_blob->data;
	/* we only handle MST paths for now */
	if (strncmp(blob_data, "mst:", 4))
		return -1;

	conn = strchr(blob_data + 4, '-');
	if (!conn)
		return -1;
	len = conn - (blob_data + 4);
	if (len + 1 > 5)
		return -1;
	memcpy(conn_id, blob_data + 4, len);
	conn_id[len] = '\0';
	id = strtoul(conn_id, NULL, 10);

	*conn_base_id = id;

	*path = conn + 1;
	return 0;
}

static void
drmmode_create_name(ScrnInfoPtr pScrn, drmModeConnectorPtr koutput, char *name,
		    drmModePropertyBlobPtr path_blob, int *num_dvi, int *num_hdmi)
{
	xf86OutputPtr output;
	int conn_id;
	char *extra_path;

	output = NULL;
	if (parse_path_blob(path_blob, &conn_id, &extra_path) == 0)
		output = find_output(pScrn, conn_id);
	if (output) {
		snprintf(name, 32, "%s-%s", output->name, extra_path);
	} else {
		if (koutput->connector_type >= NUM_OUTPUT_NAMES) {
			snprintf(name, 32, "Unknown%d-%d", koutput->connector_type,
				 koutput->connector_type_id - 1);
		} else if (pScrn->is_gpu) {
			snprintf(name, 32, "%s-%d-%d",
				 output_names[koutput->connector_type], pScrn->scrnIndex - GPU_SCREEN_OFFSET + 1,
				 koutput->connector_type_id - 1);
		} else {
			/* need to do smart conversion here for compat with non-kms ATI driver */
			if (koutput->connector_type_id == 1) {
				switch(koutput->connector_type) {
				case DRM_MODE_CONNECTOR_DVII:
				case DRM_MODE_CONNECTOR_DVID:
				case DRM_MODE_CONNECTOR_DVIA:
					snprintf(name, 32, "%s-%d", output_names[koutput->connector_type], *num_dvi);
					(*num_dvi)++;
					break;
				case DRM_MODE_CONNECTOR_HDMIA:
				case DRM_MODE_CONNECTOR_HDMIB:
					snprintf(name, 32, "%s-%d", output_names[koutput->connector_type], *num_hdmi);
					(*num_hdmi)++;
					break;
				case DRM_MODE_CONNECTOR_VGA:
				case DRM_MODE_CONNECTOR_DisplayPort:
					snprintf(name, 32, "%s-%d", output_names[koutput->connector_type],
						 koutput->connector_type_id - 1);
					break;
				default:
					snprintf(name, 32, "%s", output_names[koutput->connector_type]);
					break;
				}
			} else {
				snprintf(name, 32, "%s-%d", output_names[koutput->connector_type],
					 koutput->connector_type_id - 1);
			}
		}
	}
}

static unsigned int
drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_res, int num, int *num_dvi, int *num_hdmi, int dynamic)
{
	xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
	RADEONInfoPtr info = RADEONPTR(pScrn);
	xf86OutputPtr output;
	drmModeConnectorPtr koutput;
	drmModeEncoderPtr *kencoders = NULL;
	drmmode_output_private_ptr drmmode_output;
	drmModePropertyPtr props;
	drmModePropertyBlobPtr path_blob = NULL;
	char name[32];
	int i;
	const char *s;

	koutput = drmModeGetConnector(pRADEONEnt->fd, mode_res->connectors[num]);
	if (!koutput)
		return 0;

	for (i = 0; i < koutput->count_props; i++) {
		props = drmModeGetProperty(pRADEONEnt->fd, koutput->props[i]);
		if (props && (props->flags & DRM_MODE_PROP_BLOB)) {
			if (!strcmp(props->name, "PATH")) {
				path_blob = drmModeGetPropertyBlob(pRADEONEnt->fd, koutput->prop_values[i]);
				drmModeFreeProperty(props);
				break;
			}
		}
		drmModeFreeProperty(props);
	}

	kencoders = calloc(sizeof(drmModeEncoderPtr), koutput->count_encoders);
	if (!kencoders) {
		goto out_free_encoders;
	}

	for (i = 0; i < koutput->count_encoders; i++) {
		kencoders[i] = drmModeGetEncoder(pRADEONEnt->fd, koutput->encoders[i]);
		if (!kencoders[i]) {
			goto out_free_encoders;
		}
	}

	drmmode_create_name(pScrn, koutput, name, path_blob, num_dvi, num_hdmi);
	if (path_blob)
		drmModeFreePropertyBlob(path_blob);

	if (path_blob && dynamic) {
		/* See if we have an output with this name already
		 * and hook stuff up.
		 */
		for (i = 0; i < xf86_config->num_output; i++) {
			output = xf86_config->output[i];

			if (strncmp(output->name, name, 32))
				continue;

			drmmode_output = output->driver_private;
			drmmode_output->output_id = mode_res->connectors[num];
			drmmode_output->mode_output = koutput;
			for (i = 0; i < koutput->count_encoders; i++)
				drmModeFreeEncoder(kencoders[i]);
			free(kencoders);
			return 0;
		}
	}

	if (xf86IsEntityShared(pScrn->entityList[0])) {
		if ((s = xf86GetOptValString(info->Options, OPTION_ZAPHOD_HEADS))) {
			if (!RADEONZaphodStringMatches(pScrn, s, name))
				goto out_free_encoders;
		} else {
			if (!info->IsSecondary && (num != 0))
				goto out_free_encoders;
			else if (info->IsSecondary && (num != 1))
				goto out_free_encoders;
		}
	}

	output = xf86OutputCreate (pScrn, &drmmode_output_funcs, name);
	if (!output) {
		goto out_free_encoders;
	}

	drmmode_output = calloc(sizeof(drmmode_output_private_rec), 1);
	if (!drmmode_output) {
		xf86OutputDestroy(output);
		goto out_free_encoders;
	}

	drmmode_output->output_id = mode_res->connectors[num];
	drmmode_output->mode_output = koutput;
	drmmode_output->mode_encoders = kencoders;
	drmmode_output->drmmode = drmmode;
	output->mm_width = koutput->mmWidth;
	output->mm_height = koutput->mmHeight;

	output->subpixel_order = subpixel_conv_table[koutput->subpixel];
	output->interlaceAllowed = TRUE;
	output->doubleScanAllowed = TRUE;
	output->driver_private = drmmode_output;
	
	output->possible_crtcs = 0xffffffff;
	for (i = 0; i < koutput->count_encoders; i++) {
		output->possible_crtcs &= kencoders[i]->possible_crtcs;
	}
	/* work out the possible clones later */
	output->possible_clones = 0;

	for (i = 0; i < koutput->count_props; i++) {
		props = drmModeGetProperty(pRADEONEnt->fd, koutput->props[i]);
		if (props && (props->flags & DRM_MODE_PROP_ENUM)) {
			if (!strcmp(props->name, "DPMS")) {
				drmmode_output->dpms_enum_id = koutput->props[i];
				drmModeFreeProperty(props);
				break;
			}
		}
		drmModeFreeProperty(props);
	}

	if (dynamic) {
		output->randr_output = RROutputCreate(xf86ScrnToScreen(pScrn), output->name, strlen(output->name), output);
		drmmode_output_create_resources(output);
	}

	return 1;
out_free_encoders:
	if (kencoders){
		for (i = 0; i < koutput->count_encoders; i++)
			drmModeFreeEncoder(kencoders[i]);
		free(kencoders);
	}
	drmModeFreeConnector(koutput);
	return 0;
}

uint32_t find_clones(ScrnInfoPtr scrn, xf86OutputPtr output)
{
	drmmode_output_private_ptr drmmode_output = output->driver_private, clone_drmout;
	int i;
	xf86OutputPtr clone_output;
	xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
	int index_mask = 0;

	if (drmmode_output->enc_clone_mask == 0)
		return index_mask;

	for (i = 0; i < xf86_config->num_output; i++) {
		clone_output = xf86_config->output[i];
		clone_drmout = clone_output->driver_private;
		if (output == clone_output)
			continue;
		
		if (clone_drmout->enc_mask == 0)
			continue;
		if (drmmode_output->enc_clone_mask == clone_drmout->enc_mask)
			index_mask |= (1 << i);
	}
	return index_mask;
}


static void
drmmode_clones_init(ScrnInfoPtr scrn, drmmode_ptr drmmode, drmModeResPtr mode_res)
{
	int i, j;
	xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

	for (i = 0; i < xf86_config->num_output; i++) {
		xf86OutputPtr output = xf86_config->output[i];
		drmmode_output_private_ptr drmmode_output;

		drmmode_output = output->driver_private;
		drmmode_output->enc_clone_mask = 0xff;
		/* and all the possible encoder clones for this output together */
		for (j = 0; j < drmmode_output->mode_output->count_encoders; j++)
		{
			int k;
			for (k = 0; k < mode_res->count_encoders; k++) {
				if (mode_res->encoders[k] == drmmode_output->mode_encoders[j]->encoder_id)
					drmmode_output->enc_mask |= (1 << k);
			}

			drmmode_output->enc_clone_mask &= drmmode_output->mode_encoders[j]->possible_clones;
		}
	}

	for (i = 0; i < xf86_config->num_output; i++) {
		xf86OutputPtr output = xf86_config->output[i];
		output->possible_clones = find_clones(scrn, output);
	}
}

/* returns height alignment in pixels */
int drmmode_get_height_align(ScrnInfoPtr scrn, uint32_t tiling)
{
	RADEONInfoPtr info = RADEONPTR(scrn);
	int height_align = 1;

	if (info->ChipFamily >= CHIP_FAMILY_R600) {
		if (tiling & RADEON_TILING_MACRO)
			height_align =  info->num_channels * 8;
		else if (tiling & RADEON_TILING_MICRO)
			height_align = 8;
		else
			height_align = 8;
	} else {
		if (tiling & RADEON_TILING_MICRO_SQUARE)
			height_align =  32;
		else if (tiling)
			height_align = 16;
		else
			height_align = 1;
	}
	return height_align;
}

/* returns pitch alignment in pixels */
int drmmode_get_pitch_align(ScrnInfoPtr scrn, int bpe, uint32_t tiling)
{
	RADEONInfoPtr info = RADEONPTR(scrn);
	int pitch_align = 1;

	if (info->ChipFamily >= CHIP_FAMILY_R600) {
		if (tiling & RADEON_TILING_MACRO) {
			/* general surface requirements */
			pitch_align = MAX(info->num_banks,
					  (((info->group_bytes / 8) / bpe) * info->num_banks)) * 8;
			/* further restrictions for scanout */
			pitch_align = MAX(info->num_banks * 8, pitch_align);
		} else if (tiling & RADEON_TILING_MICRO) {
			/* general surface requirements */
			pitch_align = MAX(8, (info->group_bytes / (8 * bpe)));
			/* further restrictions for scanout */
			pitch_align = MAX(info->group_bytes / bpe, pitch_align);
		} else {
			if (info->have_tiling_info)
				/* linear aligned requirements */
				pitch_align = MAX(64, info->group_bytes / bpe);
			else
				/* default to 512 elements if we don't know the real
				 * group size otherwise the kernel may reject the CS
				 * if the group sizes don't match as the pitch won't
				 * be aligned properly.
				 */
				pitch_align = 512;
		}
	} else {
		/* general surface requirements */
		if (tiling)
			pitch_align = 256 / bpe;
		else
			pitch_align = 64;
	}
	return pitch_align;
}

/* returns base alignment in bytes */
int drmmode_get_base_align(ScrnInfoPtr scrn, int bpe, uint32_t tiling)
{
	RADEONInfoPtr info = RADEONPTR(scrn);
	int pixel_align = drmmode_get_pitch_align(scrn, bpe, tiling);
	int height_align = drmmode_get_height_align(scrn, tiling);
	int base_align = RADEON_GPU_PAGE_SIZE;

	if (info->ChipFamily >= CHIP_FAMILY_R600) {
		if (tiling & RADEON_TILING_MACRO)
			base_align = MAX(info->num_banks * info->num_channels * 8 * 8 * bpe,
					 pixel_align * bpe * height_align);
		else {
			if (info->have_tiling_info)
				base_align = info->group_bytes;
			else
				/* default to 512 if we don't know the real
				 * group size otherwise the kernel may reject the CS
				 * if the group sizes don't match as the base won't
				 * be aligned properly.
				 */
				base_align = 512;
		}
	}
	return base_align;
}

static Bool
drmmode_xf86crtc_resize (ScrnInfoPtr scrn, int width, int height)
{
	xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
	RADEONInfoPtr info = RADEONPTR(scrn);
	struct radeon_bo *old_front = NULL;
	ScreenPtr   screen = xf86ScrnToScreen(scrn);
	int	    i, pitch, old_width, old_height, old_pitch;
	int aligned_height;
	uint32_t screen_size;
	int cpp = info->pixel_bytes;
	struct radeon_bo *front_bo;
	struct radeon_surface surface;
	struct radeon_surface *psurface;
	uint32_t tiling_flags = 0, base_align;
	PixmapPtr ppix = screen->GetScreenPixmap(screen);
	void *fb_shadow;

	if (scrn->virtualX == width && scrn->virtualY == height)
		return TRUE;

	front_bo = info->front_bo;
	radeon_cs_flush_indirect(scrn);

	if (front_bo)
		radeon_bo_wait(front_bo);

	if (info->allowColorTiling && !info->shadow_primary) {
		if (info->ChipFamily >= CHIP_FAMILY_R600) {
			if (info->allowColorTiling2D) {
				tiling_flags |= RADEON_TILING_MACRO;
			} else {
				tiling_flags |= RADEON_TILING_MICRO;
			}
		} else
			tiling_flags |= RADEON_TILING_MACRO;
	}

	pitch = RADEON_ALIGN(width, drmmode_get_pitch_align(scrn, cpp, tiling_flags)) * cpp;
	aligned_height = RADEON_ALIGN(height, drmmode_get_height_align(scrn, tiling_flags));
	screen_size = RADEON_ALIGN(pitch * aligned_height, RADEON_GPU_PAGE_SIZE);
	base_align = 4096;
	if (info->ChipFamily >= CHIP_FAMILY_R600) {
		memset(&surface, 0, sizeof(struct radeon_surface));
		surface.npix_x = width;
		surface.npix_y = height;
		surface.npix_z = 1;
		surface.blk_w = 1;
		surface.blk_h = 1;
		surface.blk_d = 1;
		surface.array_size = 1;
		surface.last_level = 0;
		surface.bpe = cpp;
		surface.nsamples = 1;
		surface.flags = RADEON_SURF_SCANOUT;
		/* we are requiring a recent enough libdrm version */
		surface.flags |= RADEON_SURF_HAS_TILE_MODE_INDEX;
		surface.flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE);
		surface.flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR_ALIGNED, MODE);
		if (tiling_flags & RADEON_TILING_MICRO) {
			surface.flags = RADEON_SURF_CLR(surface.flags, MODE);
			surface.flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE);
		}
		if (tiling_flags & RADEON_TILING_MACRO) {
			surface.flags = RADEON_SURF_CLR(surface.flags, MODE);
			surface.flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE);
		}
		if (radeon_surface_best(info->surf_man, &surface)) {
			return FALSE;
		}
		if (radeon_surface_init(info->surf_man, &surface)) {
			return FALSE;
		}
		screen_size = surface.bo_size;
		base_align = surface.bo_alignment;
		pitch = surface.level[0].pitch_bytes;
		tiling_flags = 0;
		switch (surface.level[0].mode) {
		case RADEON_SURF_MODE_2D:
			tiling_flags |= RADEON_TILING_MACRO;
			tiling_flags |= surface.bankw << RADEON_TILING_EG_BANKW_SHIFT;
			tiling_flags |= surface.bankh << RADEON_TILING_EG_BANKH_SHIFT;
			tiling_flags |= surface.mtilea << RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT;
			if (surface.tile_split)
				tiling_flags |= eg_tile_split(surface.tile_split)
						<< RADEON_TILING_EG_TILE_SPLIT_SHIFT;
			break;
		case RADEON_SURF_MODE_1D:
			tiling_flags |= RADEON_TILING_MICRO;
			break;
		default:
			break;
		}
		info->front_surface = surface;
	}

	xf86DrvMsg(scrn->scrnIndex, X_INFO,
		   "Allocate new frame buffer %dx%d stride %d\n",
		   width, height, pitch / cpp);

	old_width = scrn->virtualX;
	old_height = scrn->virtualY;
	old_pitch = scrn->displayWidth;
	old_front = info->front_bo;

	scrn->virtualX = width;
	scrn->virtualY = height;
	scrn->displayWidth = pitch / cpp;

	info->front_bo = radeon_bo_open(info->bufmgr, 0, screen_size, base_align,
					info->shadow_primary ?
					RADEON_GEM_DOMAIN_GTT :
					RADEON_GEM_DOMAIN_VRAM,
					tiling_flags ? RADEON_GEM_NO_CPU_ACCESS : 0);
	if (!info->front_bo)
		goto fail;

#if X_BYTE_ORDER == X_BIG_ENDIAN
	switch (cpp) {
	case 4:
	    tiling_flags |= RADEON_TILING_SWAP_32BIT;
	    break;
	case 2:
	    tiling_flags |= RADEON_TILING_SWAP_16BIT;
	    break;
	}
	if (info->ChipFamily < CHIP_FAMILY_R600 &&
	    info->r600_shadow_fb && tiling_flags)
	    tiling_flags |= RADEON_TILING_SURFACE;
#endif
	if (tiling_flags)
	    radeon_bo_set_tiling(info->front_bo, tiling_flags, pitch);

	if (!info->r600_shadow_fb) {
		psurface = radeon_get_pixmap_surface(ppix);
		*psurface = info->front_surface;
		screen->ModifyPixmapHeader(ppix,
					   width, height, -1, -1, pitch, NULL);
	} else {
		if (radeon_bo_map(info->front_bo, 1))
			goto fail;
		fb_shadow = calloc(1, screen_size);
		if (fb_shadow == NULL)
			goto fail;
		free(info->fb_shadow);
		info->fb_shadow = fb_shadow;
		screen->ModifyPixmapHeader(ppix,
					   width, height, -1, -1, pitch,
					   info->fb_shadow);
	}

	if (info->use_glamor)
		radeon_glamor_create_screen_resources(scrn->pScreen);

	if (!info->r600_shadow_fb) {
		if (!radeon_set_pixmap_bo(ppix, info->front_bo))
			goto fail;
	}

	radeon_pixmap_clear(ppix);
	radeon_cs_flush_indirect(scrn);
	radeon_bo_wait(info->front_bo);

	for (i = 0; i < xf86_config->num_crtc; i++) {
		xf86CrtcPtr crtc = xf86_config->crtc[i];

		if (!crtc->enabled)
			continue;

		drmmode_set_mode_major(crtc, &crtc->mode,
				       crtc->rotation, crtc->x, crtc->y);
	}

	if (old_front)
		radeon_bo_unref(old_front);

	radeon_kms_update_vram_limit(scrn, screen_size);
	return TRUE;

 fail:
	if (info->front_bo)
		radeon_bo_unref(info->front_bo);
	info->front_bo = old_front;
	scrn->virtualX = old_width;
	scrn->virtualY = old_height;
	scrn->displayWidth = old_pitch;

	return FALSE;
}

static const xf86CrtcConfigFuncsRec drmmode_xf86crtc_config_funcs = {
	drmmode_xf86crtc_resize
};

static void
drmmode_flip_abort(xf86CrtcPtr crtc, void *event_data)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn);
	drmmode_flipdata_ptr flipdata = event_data;

	if (--flipdata->flip_count == 0) {
		if (!flipdata->fe_crtc)
			flipdata->fe_crtc = crtc;
		flipdata->abort(flipdata->fe_crtc, flipdata->event_data);
		drmmode_fb_reference(pRADEONEnt->fd, &flipdata->fb, NULL);
		free(flipdata);
	}

	drmmode_fb_reference(pRADEONEnt->fd, &drmmode_crtc->flip_pending,
			     NULL);
}

static void
drmmode_flip_handler(xf86CrtcPtr crtc, uint32_t frame, uint64_t usec, void *event_data)
{
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn);
	drmmode_flipdata_ptr flipdata = event_data;

	/* Is this the event whose info shall be delivered to higher level? */
	if (crtc == flipdata->fe_crtc) {
		/* Yes: Cache msc, ust for later delivery. */
		flipdata->fe_frame = frame;
		flipdata->fe_usec = usec;
	}

	drmmode_fb_reference(pRADEONEnt->fd, &drmmode_crtc->fb,
			     flipdata->fb);
	if (drmmode_crtc->tear_free ||
	    drmmode_crtc->flip_pending == flipdata->fb) {
		drmmode_fb_reference(pRADEONEnt->fd,
				     &drmmode_crtc->flip_pending, NULL);
	}

	if (--flipdata->flip_count == 0) {
		/* Deliver MSC & UST from reference/current CRTC to flip event
		 * handler
		 */
		if (flipdata->fe_crtc)
			flipdata->handler(flipdata->fe_crtc, flipdata->fe_frame,
					  flipdata->fe_usec, flipdata->event_data);
		else
			flipdata->handler(crtc, frame, usec, flipdata->event_data);

		drmmode_fb_reference(pRADEONEnt->fd, &flipdata->fb, NULL);
		free(flipdata);
	}
}


#if HAVE_NOTIFY_FD
static void
drm_notify_fd(int fd, int ready, void *data)
#else
static void
drm_wakeup_handler(pointer data, int err, pointer p)
#endif
{
	ScrnInfoPtr scrn = data;
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(scrn);
	RADEONInfoPtr info = RADEONPTR(scrn);
	
#if !HAVE_NOTIFY_FD
	fd_set *read_mask = p;

	if (err >= 0 && FD_ISSET(pRADEONEnt->fd, read_mask))
#endif
	{
		drmHandleEvent(pRADEONEnt->fd, &info->drmmode.event_context);
	}
}

static Bool drmmode_probe_page_flip_target(RADEONEntPtr pRADEONEnt)
{
#ifdef DRM_CAP_PAGE_FLIP_TARGET
	uint64_t cap_value;

	return drmGetCap(pRADEONEnt->fd, DRM_CAP_PAGE_FLIP_TARGET,
			 &cap_value) == 0 && cap_value != 0;
#else
	return FALSE;
#endif
}

static int
drmmode_page_flip(RADEONEntPtr pRADEONEnt,
		  drmmode_crtc_private_ptr drmmode_crtc, int fb_id,
		  uint32_t flags, uintptr_t drm_queue_seq)
{
	flags |= DRM_MODE_PAGE_FLIP_EVENT;
	return drmModePageFlip(pRADEONEnt->fd, drmmode_crtc->mode_crtc->crtc_id,
			       fb_id, flags, (void*)drm_queue_seq);
}

int
drmmode_page_flip_target_absolute(RADEONEntPtr pRADEONEnt,
				  drmmode_crtc_private_ptr drmmode_crtc,
				  int fb_id, uint32_t flags,
				  uintptr_t drm_queue_seq, uint32_t target_msc)
{
#ifdef DRM_MODE_PAGE_FLIP_TARGET
	if (pRADEONEnt->has_page_flip_target) {
		flags |= DRM_MODE_PAGE_FLIP_EVENT | DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE;
		return drmModePageFlipTarget(pRADEONEnt->fd,
					     drmmode_crtc->mode_crtc->crtc_id,
					     fb_id, flags, (void*)drm_queue_seq,
					     target_msc);
	}
#endif

	return drmmode_page_flip(pRADEONEnt, drmmode_crtc, fb_id, flags,
				 drm_queue_seq);
}

int
drmmode_page_flip_target_relative(RADEONEntPtr pRADEONEnt,
				  drmmode_crtc_private_ptr drmmode_crtc,
				  int fb_id, uint32_t flags,
				  uintptr_t drm_queue_seq, uint32_t target_msc)
{
#ifdef DRM_MODE_PAGE_FLIP_TARGET
	if (pRADEONEnt->has_page_flip_target) {
		flags |= DRM_MODE_PAGE_FLIP_EVENT | DRM_MODE_PAGE_FLIP_TARGET_RELATIVE;
		return drmModePageFlipTarget(pRADEONEnt->fd,
					     drmmode_crtc->mode_crtc->crtc_id,
					     fb_id, flags, (void*)drm_queue_seq,
					     target_msc);
	}
#endif

	return drmmode_page_flip(pRADEONEnt, drmmode_crtc, fb_id, flags,
				 drm_queue_seq);
}

Bool drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp)
{
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
	RADEONInfoPtr info = RADEONPTR(pScrn);
	int i, num_dvi = 0, num_hdmi = 0;
	drmModeResPtr mode_res;
	unsigned int crtcs_needed = 0;
	char *bus_id_string, *provider_name;

	xf86CrtcConfigInit(pScrn, &drmmode_xf86crtc_config_funcs);

	drmmode->scrn = pScrn;
	mode_res = drmModeGetResources(pRADEONEnt->fd);
	if (!mode_res)
		return FALSE;

	xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
		       "Initializing outputs ...\n");
	for (i = 0; i < mode_res->count_connectors; i++)
		crtcs_needed += drmmode_output_init(pScrn, drmmode, mode_res,
						    i, &num_dvi, &num_hdmi, 0);
	xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
		       "%d crtcs needed for screen.\n", crtcs_needed);

	if (info->r600_shadow_fb) {
		/* Rotation requires hardware acceleration */
		drmmode_crtc_funcs.shadow_allocate = NULL;
		drmmode_crtc_funcs.shadow_create = NULL;
		drmmode_crtc_funcs.shadow_destroy = NULL;
	}

	drmmode->count_crtcs = mode_res->count_crtcs;
	xf86CrtcSetSizeRange(pScrn, 320, 200, mode_res->max_width, mode_res->max_height);

	for (i = 0; i < mode_res->count_crtcs; i++)
		if (!xf86IsEntityShared(pScrn->entityList[0]) ||
		    (crtcs_needed && !(pRADEONEnt->assigned_crtcs & (1 << i))))
			crtcs_needed -= drmmode_crtc_init(pScrn, drmmode, mode_res, i);

	/* All ZaphodHeads outputs provided with matching crtcs? */
	if (xf86IsEntityShared(pScrn->entityList[0]) && (crtcs_needed > 0))
		xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
			   "%d ZaphodHeads crtcs unavailable. Some outputs will stay off.\n",
			   crtcs_needed);

	/* workout clones */
	drmmode_clones_init(pScrn, drmmode, mode_res);

	bus_id_string = DRICreatePCIBusID(info->PciInfo);
	XNFasprintf(&provider_name, "%s @ %s", pScrn->chipset, bus_id_string);
	free(bus_id_string);
	xf86ProviderSetup(pScrn, NULL, provider_name);
	free(provider_name);

	xf86InitialConfiguration(pScrn, TRUE);

	drmmode->event_context.version = 2;
	drmmode->event_context.vblank_handler = radeon_drm_queue_handler;
	drmmode->event_context.page_flip_handler = radeon_drm_queue_handler;

	pRADEONEnt->has_page_flip_target = drmmode_probe_page_flip_target(pRADEONEnt);

	drmModeFreeResources(mode_res);
	return TRUE;
}

void drmmode_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode)
{
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
	RADEONInfoPtr info = RADEONPTR(pScrn);

	if (info->dri2.pKernelDRMVersion->version_minor < 4)
		return;

	info->drmmode_inited = TRUE;
	if (pRADEONEnt->fd_wakeup_registered != serverGeneration) {
#if HAVE_NOTIFY_FD
		SetNotifyFd(pRADEONEnt->fd, drm_notify_fd, X_NOTIFY_READ, pScrn);
#else
		AddGeneralSocket(pRADEONEnt->fd);
		RegisterBlockAndWakeupHandlers((BlockHandlerProcPtr)NoopDDA,
				drm_wakeup_handler, pScrn);
#endif
		pRADEONEnt->fd_wakeup_registered = serverGeneration;
		pRADEONEnt->fd_wakeup_ref = 1;
	} else
		pRADEONEnt->fd_wakeup_ref++;
}

void drmmode_fini(ScrnInfoPtr pScrn, drmmode_ptr drmmode)
{
	xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
	RADEONInfoPtr info = RADEONPTR(pScrn);
	int c;

	if (info->dri2.pKernelDRMVersion->version_minor < 4 || !info->drmmode_inited)
		return;

	if (pRADEONEnt->fd_wakeup_registered == serverGeneration &&
	    !--pRADEONEnt->fd_wakeup_ref) {
#if HAVE_NOTIFY_FD
		RemoveNotifyFd(pRADEONEnt->fd);
#else
		RemoveGeneralSocket(pRADEONEnt->fd);
		RemoveBlockAndWakeupHandlers((BlockHandlerProcPtr)NoopDDA,
				drm_wakeup_handler, pScrn);
#endif
	}

	for (c = 0; c < config->num_crtc; c++)
		drmmode_crtc_scanout_free(config->crtc[c]->driver_private);
}


Bool drmmode_set_bufmgr(ScrnInfoPtr pScrn, drmmode_ptr drmmode, struct radeon_bo_manager *bufmgr)
{
	drmmode->bufmgr = bufmgr;
	return TRUE;
}


static void drmmode_sprite_do_set_cursor(struct radeon_device_priv *device_priv,
					 ScrnInfoPtr scrn, int x, int y)
{
	RADEONInfoPtr info = RADEONPTR(scrn);
	CursorPtr cursor = device_priv->cursor;
	Bool sprite_visible = device_priv->sprite_visible;

	if (cursor) {
		x -= cursor->bits->xhot;
		y -= cursor->bits->yhot;

		device_priv->sprite_visible =
			x < scrn->virtualX && y < scrn->virtualY &&
			(x + cursor->bits->width > 0) &&
			(y + cursor->bits->height > 0);
	} else {
		device_priv->sprite_visible = FALSE;
	}

	info->sprites_visible += device_priv->sprite_visible - sprite_visible;
}

void drmmode_sprite_set_cursor(DeviceIntPtr pDev, ScreenPtr pScreen,
			       CursorPtr pCursor, int x, int y)
{
	ScrnInfoPtr scrn = xf86ScreenToScrn(pScreen);
	RADEONInfoPtr info = RADEONPTR(scrn);
	struct radeon_device_priv *device_priv =
		dixLookupScreenPrivate(&pDev->devPrivates,
				       &radeon_device_private_key, pScreen);

	device_priv->cursor = pCursor;
	drmmode_sprite_do_set_cursor(device_priv, scrn, x, y);

	info->SetCursor(pDev, pScreen, pCursor, x, y);
}

void drmmode_sprite_move_cursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x,
				int y)
{
	ScrnInfoPtr scrn = xf86ScreenToScrn(pScreen);
	RADEONInfoPtr info = RADEONPTR(scrn);
	struct radeon_device_priv *device_priv =
		dixLookupScreenPrivate(&pDev->devPrivates,
				       &radeon_device_private_key, pScreen);

	drmmode_sprite_do_set_cursor(device_priv, scrn, x, y);

	info->MoveCursor(pDev, pScreen, x, y);
}

void drmmode_set_cursor(ScrnInfoPtr scrn, drmmode_ptr drmmode, int id, struct radeon_bo *bo)
{
	xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
	xf86CrtcPtr crtc = xf86_config->crtc[id];
	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;

	drmmode_crtc->cursor_bo = bo;
}

void drmmode_adjust_frame(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int x, int y)
{
	xf86CrtcConfigPtr	config = XF86_CRTC_CONFIG_PTR(pScrn);
	xf86OutputPtr  output = config->output[config->compat_output];
	xf86CrtcPtr	crtc = output->crtc;

	if (crtc && crtc->enabled) {
		drmmode_set_mode_major(crtc, &crtc->mode, crtc->rotation,
				       x, y);
	}
}

Bool drmmode_set_desired_modes(ScrnInfoPtr pScrn, drmmode_ptr drmmode,
			       Bool set_hw)
{
	xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
	int c;

	for (c = 0; c < config->num_crtc; c++) {
		xf86CrtcPtr	crtc = config->crtc[c];
		drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
		xf86OutputPtr	output = NULL;
		int		o;

		/* Skip disabled CRTCs */
		if (!crtc->enabled) {
			if (set_hw) {
				drmmode_do_crtc_dpms(crtc, DPMSModeOff);
				drmModeSetCrtc(pRADEONEnt->fd,
					       drmmode_crtc->mode_crtc->crtc_id,
					       0, 0, 0, NULL, 0, NULL);
				drmmode_fb_reference(pRADEONEnt->fd,
						     &drmmode_crtc->fb, NULL);
			}
			continue;
		}

		if (config->output[config->compat_output]->crtc == crtc)
			output = config->output[config->compat_output];
		else
		{
			for (o = 0; o < config->num_output; o++)
				if (config->output[o]->crtc == crtc)
				{
					output = config->output[o];
					break;
				}
		}
		/* paranoia */
		if (!output)
			continue;

		/* Mark that we'll need to re-set the mode for sure */
		memset(&crtc->mode, 0, sizeof(crtc->mode));
		if (!crtc->desiredMode.CrtcHDisplay)
		{
			DisplayModePtr  mode = xf86OutputFindClosestMode (output, pScrn->currentMode);

			if (!mode)
				return FALSE;
			crtc->desiredMode = *mode;
			crtc->desiredRotation = RR_Rotate_0;
			crtc->desiredX = 0;
			crtc->desiredY = 0;
		}

		if (set_hw) {
			if (!crtc->funcs->set_mode_major(crtc, &crtc->desiredMode, crtc->desiredRotation,
							 crtc->desiredX, crtc->desiredY))
				return FALSE;
		} else {
			crtc->mode = crtc->desiredMode;
			crtc->rotation = crtc->desiredRotation;
			crtc->x = crtc->desiredX;
			crtc->y = crtc->desiredY;
			if (!drmmode_handle_transform(crtc))
				return FALSE;
		}
	}
	return TRUE;
}

Bool drmmode_setup_colormap(ScreenPtr pScreen, ScrnInfoPtr pScrn)
{
    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);

    if (xf86_config->num_crtc) {
	xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
		       "Initializing kms color map\n");
	if (!miCreateDefColormap(pScreen))
	    return FALSE;
	/* all radeons support 10 bit CLUTs */
	if (!xf86HandleColormaps(pScreen, 256, 10,
				 NULL, NULL,
				 CMAP_PALETTED_TRUECOLOR
#if 0 /* This option messes up text mode! (eich@suse.de) */
				 | CMAP_LOAD_EVEN_IF_OFFSCREEN
#endif
				 | CMAP_RELOAD_ON_MODE_SWITCH))
	    return FALSE;
    }
    return TRUE;
}

static Bool
drmmode_find_output(ScrnInfoPtr scrn, int output_id, int *num_dvi,
		    int *num_hdmi)
{
	xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
	int i;

	for (i = 0; i < config->num_output; i++) {
		xf86OutputPtr output = config->output[i];
		drmmode_output_private_ptr drmmode_output = output->driver_private;

		if (drmmode_output->output_id == output_id) {
			switch(drmmode_output->mode_output->connector_type) {
			case DRM_MODE_CONNECTOR_DVII:
			case DRM_MODE_CONNECTOR_DVID:
			case DRM_MODE_CONNECTOR_DVIA:
				(*num_dvi)++;
				break;
			case DRM_MODE_CONNECTOR_HDMIA:
			case DRM_MODE_CONNECTOR_HDMIB:
				(*num_hdmi)++;
				break;
			}

			return TRUE;
		}
	}

	return FALSE;
}

void
radeon_mode_hotplug(ScrnInfoPtr scrn, drmmode_ptr drmmode)
{
	xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(scrn);
	drmModeResPtr mode_res;
	int i, j;
	Bool found;
	Bool changed = FALSE;
	int num_dvi = 0, num_hdmi = 0;

	/* Try to re-set the mode on all the connectors with a BAD link-state:
	 * This may happen if a link degrades and a new modeset is necessary, using
	 * different link-training parameters. If the kernel found that the current
	 * mode is not achievable anymore, it should have pruned the mode before
	 * sending the hotplug event. Try to re-set the currently-set mode to keep
	 * the display alive, this will fail if the mode has been pruned.
	 * In any case, we will send randr events for the Desktop Environment to
	 * deal with it, if it wants to.
	 */
	for (i = 0; i < config->num_output; i++) {
		xf86OutputPtr output = config->output[i];
		xf86CrtcPtr crtc = output->crtc;
		drmmode_output_private_ptr drmmode_output = output->driver_private;
		uint32_t con_id;
		drmModeConnectorPtr koutput;

		if (!crtc || !drmmode_output->mode_output)
			continue;

		con_id = drmmode_output->mode_output->connector_id;
		/* Get an updated view of the properties for the current connector and
		 * look for the link-status property
		 */
		koutput = drmModeGetConnectorCurrent(pRADEONEnt->fd, con_id);
		for (j = 0; koutput && j < koutput->count_props; j++) {
			drmModePropertyPtr props;
			props = drmModeGetProperty(pRADEONEnt->fd, koutput->props[j]);
			if (props && props->flags & DRM_MODE_PROP_ENUM &&
			    !strcmp(props->name, "link-status") &&
			    koutput->prop_values[j] == DRM_MODE_LINK_STATUS_BAD) {
				/* the connector got a link failure, re-set the current mode */
				drmmode_set_mode_major(crtc, &crtc->mode, crtc->rotation,
						       crtc->x, crtc->y);

				xf86DrvMsg(scrn->scrnIndex, X_WARNING,
					   "hotplug event: connector %u's link-state is BAD, "
					   "tried resetting the current mode. You may be left "
					   "with a black screen if this fails...\n", con_id);
			}
			drmModeFreeProperty(props);
		}
		drmModeFreeConnector(koutput);
	}

	mode_res = drmModeGetResources(pRADEONEnt->fd);
	if (!mode_res)
		goto out;

restart_destroy:
	for (i = 0; i < config->num_output; i++) {
		xf86OutputPtr output = config->output[i];
		drmmode_output_private_ptr drmmode_output = output->driver_private;
		found = FALSE;
		for (j = 0; j < mode_res->count_connectors; j++) {
			if (mode_res->connectors[j] == drmmode_output->output_id) {
				found = TRUE;
				break;
			}
		}
		if (found)
			continue;

		drmModeFreeConnector(drmmode_output->mode_output);
		drmmode_output->mode_output = NULL;
		drmmode_output->output_id = -1;

		changed = TRUE;
		if (drmmode->delete_dp_12_displays) {
			RROutputDestroy(output->randr_output);
			xf86OutputDestroy(output);
			goto restart_destroy;
		}
	}

	/* find new output ids we don't have outputs for */
	for (i = 0; i < mode_res->count_connectors; i++) {
		if (drmmode_find_output(pRADEONEnt->primary_scrn,
					mode_res->connectors[i],
					&num_dvi, &num_hdmi) ||
		    (pRADEONEnt->secondary_scrn &&
		     drmmode_find_output(pRADEONEnt->secondary_scrn,
					 mode_res->connectors[i],
					 &num_dvi, &num_hdmi)))
			continue;

		if (drmmode_output_init(scrn, drmmode, mode_res, i, &num_dvi,
					&num_hdmi, 1) != 0)
			changed = TRUE;
	}

	if (changed && dixPrivateKeyRegistered(rrPrivKey)) {
#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,14,99,2,0)
		RRSetChanged(xf86ScrnToScreen(scrn));
#else
		rrScrPrivPtr rrScrPriv = rrGetScrPriv(scrn->pScreen);
		rrScrPriv->changed = TRUE;
#endif
		RRTellChanged(xf86ScrnToScreen(scrn));
	}

	drmModeFreeResources(mode_res);
out:
	RRGetInfo(xf86ScrnToScreen(scrn), TRUE);
}
#ifdef HAVE_LIBUDEV
static void
drmmode_handle_uevents(int fd, void *closure)
{
	drmmode_ptr drmmode = closure;
	ScrnInfoPtr scrn = drmmode->scrn;
	struct udev_device *dev;
	Bool received = FALSE;
	struct timeval tv = { 0, 0 };
	fd_set readfd;

	FD_ZERO(&readfd);
	FD_SET(fd, &readfd);

	while (select(fd + 1, &readfd, NULL, NULL, &tv) > 0 &&
	       FD_ISSET(fd, &readfd)) {
		/* select() ensured that this will not block */
		dev = udev_monitor_receive_device(drmmode->uevent_monitor);
		if (dev) {
			udev_device_unref(dev);
			received = TRUE;
		}
	}

	if (received)
		radeon_mode_hotplug(scrn, drmmode);
}
#endif

void drmmode_uevent_init(ScrnInfoPtr scrn, drmmode_ptr drmmode)
{
#ifdef HAVE_LIBUDEV
	struct udev *u;
	struct udev_monitor *mon;

	u = udev_new();
	if (!u)
		return;
	mon = udev_monitor_new_from_netlink(u, "udev");
	if (!mon) {
		udev_unref(u);
		return;
	}

	if (udev_monitor_filter_add_match_subsystem_devtype(mon,
							    "drm",
							    "drm_minor") < 0 ||
	    udev_monitor_enable_receiving(mon) < 0) {
		udev_monitor_unref(mon);
		udev_unref(u);
		return;
	}

	drmmode->uevent_handler =
		xf86AddGeneralHandler(udev_monitor_get_fd(mon),
				      drmmode_handle_uevents,
				      drmmode);

	drmmode->uevent_monitor = mon;
#endif
}

void drmmode_uevent_fini(ScrnInfoPtr scrn, drmmode_ptr drmmode)
{
#ifdef HAVE_LIBUDEV
	if (drmmode->uevent_handler) {
		struct udev *u = udev_monitor_get_udev(drmmode->uevent_monitor);
		xf86RemoveGeneralHandler(drmmode->uevent_handler);

		udev_monitor_unref(drmmode->uevent_monitor);
		udev_unref(u);
	}
#endif
}

Bool radeon_do_pageflip(ScrnInfoPtr scrn, ClientPtr client,
			PixmapPtr new_front, uint64_t id, void *data,
			xf86CrtcPtr ref_crtc, radeon_drm_handler_proc handler,
			radeon_drm_abort_proc abort,
			enum drmmode_flip_sync flip_sync,
			uint32_t target_msc)
{
	RADEONEntPtr pRADEONEnt = RADEONEntPriv(scrn);
	xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
	xf86CrtcPtr crtc = NULL;
	drmmode_crtc_private_ptr drmmode_crtc = config->crtc[0]->driver_private;
	int i;
	uint32_t flip_flags = flip_sync == FLIP_ASYNC ? DRM_MODE_PAGE_FLIP_ASYNC : 0;
	drmmode_flipdata_ptr flipdata;
	uintptr_t drm_queue_seq = 0;

        flipdata = calloc(1, sizeof(drmmode_flipdata_rec));
        if (!flipdata) {
             xf86DrvMsg(scrn->scrnIndex, X_WARNING,
                        "flip queue: data alloc failed.\n");
             goto error;
        }

	drmmode_fb_reference(pRADEONEnt->fd, &flipdata->fb,
			     radeon_pixmap_get_fb(new_front));
	if (!flipdata->fb) {
		ErrorF("Failed to get FB for flip\n");
		goto error;
	}

	/*
	 * Queue flips on all enabled CRTCs
	 * Note that if/when we get per-CRTC buffers, we'll have to update this.
	 * Right now it assumes a single shared fb across all CRTCs, with the
	 * kernel fixing up the offset of each CRTC as necessary.
	 *
	 * Also, flips queued on disabled or incorrectly configured displays
	 * may never complete; this is a configuration error.
	 */

        flipdata->event_data = data;
        flipdata->handler = handler;
        flipdata->abort = abort;
        flipdata->fe_crtc = ref_crtc;

	for (i = 0; i < config->num_crtc; i++) {
		struct drmmode_fb *fb = flipdata->fb;

		crtc = config->crtc[i];
		drmmode_crtc = crtc->driver_private;

		if (!drmmode_crtc_can_flip(crtc) ||
		    (drmmode_crtc->tear_free && crtc != ref_crtc))
			continue;

		flipdata->flip_count++;

		drm_queue_seq = radeon_drm_queue_alloc(crtc, client, id,
						       flipdata,
						       drmmode_flip_handler,
						       drmmode_flip_abort);
		if (drm_queue_seq == RADEON_DRM_QUEUE_ERROR) {
			xf86DrvMsg(scrn->scrnIndex, X_WARNING,
				   "Allocating DRM queue event entry failed.\n");
			goto error;
		}

		if (drmmode_crtc->tear_free) {
			BoxRec extents = { .x1 = 0, .y1 = 0,
					   .x2 = new_front->drawable.width,
					   .y2 = new_front->drawable.height };
			int scanout_id = drmmode_crtc->scanout_id ^ 1;

			if (flip_sync == FLIP_ASYNC) {
				if (!drmmode_wait_vblank(crtc,
							 DRM_VBLANK_RELATIVE |
							 DRM_VBLANK_EVENT,
							 0, drm_queue_seq,
							 NULL, NULL))
					goto flip_error;
				goto next;
			}

			fb = radeon_pixmap_get_fb(drmmode_crtc->scanout[scanout_id].pixmap);
			if (!fb) {
				ErrorF("Failed to get FB for TearFree flip\n");
				goto error;
			}

			radeon_scanout_do_update(crtc, scanout_id, new_front,
						 &extents);

			drmmode_crtc_wait_pending_event(drmmode_crtc, pRADEONEnt->fd,
							drmmode_crtc->scanout_update_pending);
		}

		if (crtc == ref_crtc) {
			if (drmmode_page_flip_target_absolute(pRADEONEnt,
							      drmmode_crtc,
							      fb->handle,
							      flip_flags,
							      drm_queue_seq,
							      target_msc) != 0)
				goto flip_error;
		} else {
			if (drmmode_page_flip_target_relative(pRADEONEnt,
							      drmmode_crtc,
							      fb->handle,
							      flip_flags,
							      drm_queue_seq, 0) != 0)
				goto flip_error;
		}

		if (drmmode_crtc->tear_free) {
			drmmode_crtc->scanout_id ^= 1;
			drmmode_crtc->ignore_damage = TRUE;
		}

	next:
		drmmode_fb_reference(pRADEONEnt->fd,
				     &drmmode_crtc->flip_pending, fb);
		drm_queue_seq = 0;
	}

	if (flipdata->flip_count > 0)
		return TRUE;

flip_error:
	xf86DrvMsg(scrn->scrnIndex, X_WARNING, "flip queue failed: %s\n",
		   strerror(errno));

error:
	if (drm_queue_seq)
		radeon_drm_abort_entry(drm_queue_seq);
	else if (crtc)
		drmmode_flip_abort(crtc, flipdata);
	else {
		abort(NULL, data);
		drmmode_fb_reference(pRADEONEnt->fd, &flipdata->fb, NULL);
		free(flipdata);
	}

	xf86DrvMsg(scrn->scrnIndex, X_WARNING, "Page flip failed: %s\n",
		   strerror(errno));
	return FALSE;
}