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path: root/drivers/char/drm/i830_dma.c
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Diffstat (limited to 'drivers/char/drm/i830_dma.c')
-rw-r--r--drivers/char/drm/i830_dma.c99
1 files changed, 44 insertions, 55 deletions
diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c
index 0bb1cbf48109..f314f8709657 100644
--- a/drivers/char/drm/i830_dma.c
+++ b/drivers/char/drm/i830_dma.c
@@ -122,10 +122,9 @@ static const struct file_operations i830_buffer_fops = {
122 .fasync = drm_fasync, 122 .fasync = drm_fasync,
123}; 123};
124 124
125static int i830_map_buffer(struct drm_buf * buf, struct file *filp) 125static int i830_map_buffer(struct drm_buf * buf, struct drm_file *file_priv)
126{ 126{
127 struct drm_file *priv = filp->private_data; 127 struct drm_device *dev = file_priv->head->dev;
128 struct drm_device *dev = priv->head->dev;
129 drm_i830_buf_priv_t *buf_priv = buf->dev_private; 128 drm_i830_buf_priv_t *buf_priv = buf->dev_private;
130 drm_i830_private_t *dev_priv = dev->dev_private; 129 drm_i830_private_t *dev_priv = dev->dev_private;
131 const struct file_operations *old_fops; 130 const struct file_operations *old_fops;
@@ -136,13 +135,13 @@ static int i830_map_buffer(struct drm_buf * buf, struct file *filp)
136 return -EINVAL; 135 return -EINVAL;
137 136
138 down_write(&current->mm->mmap_sem); 137 down_write(&current->mm->mmap_sem);
139 old_fops = filp->f_op; 138 old_fops = file_priv->filp->f_op;
140 filp->f_op = &i830_buffer_fops; 139 file_priv->filp->f_op = &i830_buffer_fops;
141 dev_priv->mmap_buffer = buf; 140 dev_priv->mmap_buffer = buf;
142 virtual = do_mmap(filp, 0, buf->total, PROT_READ | PROT_WRITE, 141 virtual = do_mmap(file_priv->filp, 0, buf->total, PROT_READ | PROT_WRITE,
143 MAP_SHARED, buf->bus_address); 142 MAP_SHARED, buf->bus_address);
144 dev_priv->mmap_buffer = NULL; 143 dev_priv->mmap_buffer = NULL;
145 filp->f_op = old_fops; 144 file_priv->filp->f_op = old_fops;
146 if (IS_ERR((void *)virtual)) { /* ugh */ 145 if (IS_ERR((void *)virtual)) { /* ugh */
147 /* Real error */ 146 /* Real error */
148 DRM_ERROR("mmap error\n"); 147 DRM_ERROR("mmap error\n");
@@ -177,7 +176,7 @@ static int i830_unmap_buffer(struct drm_buf * buf)
177} 176}
178 177
179static int i830_dma_get_buffer(struct drm_device * dev, drm_i830_dma_t * d, 178static int i830_dma_get_buffer(struct drm_device * dev, drm_i830_dma_t * d,
180 struct file *filp) 179 struct drm_file *file_priv)
181{ 180{
182 struct drm_buf *buf; 181 struct drm_buf *buf;
183 drm_i830_buf_priv_t *buf_priv; 182 drm_i830_buf_priv_t *buf_priv;
@@ -190,13 +189,13 @@ static int i830_dma_get_buffer(struct drm_device * dev, drm_i830_dma_t * d,
190 return retcode; 189 return retcode;
191 } 190 }
192 191
193 retcode = i830_map_buffer(buf, filp); 192 retcode = i830_map_buffer(buf, file_priv);
194 if (retcode) { 193 if (retcode) {
195 i830_freelist_put(dev, buf); 194 i830_freelist_put(dev, buf);
196 DRM_ERROR("mapbuf failed, retcode %d\n", retcode); 195 DRM_ERROR("mapbuf failed, retcode %d\n", retcode);
197 return retcode; 196 return retcode;
198 } 197 }
199 buf->filp = filp; 198 buf->file_priv = file_priv;
200 buf_priv = buf->dev_private; 199 buf_priv = buf->dev_private;
201 d->granted = 1; 200 d->granted = 1;
202 d->request_idx = buf->idx; 201 d->request_idx = buf->idx;
@@ -451,11 +450,10 @@ static int i830_dma_initialize(struct drm_device * dev,
451 return 0; 450 return 0;
452} 451}
453 452
454static int i830_dma_init(struct inode *inode, struct file *filp, 453static int i830_dma_init(struct inode *inode, struct drm_file *file_priv,
455 unsigned int cmd, unsigned long arg) 454 unsigned int cmd, unsigned long arg)
456{ 455{
457 struct drm_file *priv = filp->private_data; 456 struct drm_device *dev = file_priv->head->dev;
458 struct drm_device *dev = priv->head->dev;
459 drm_i830_private_t *dev_priv; 457 drm_i830_private_t *dev_priv;
460 drm_i830_init_t init; 458 drm_i830_init_t init;
461 int retcode = 0; 459 int retcode = 0;
@@ -1248,7 +1246,7 @@ static int i830_flush_queue(struct drm_device * dev)
1248} 1246}
1249 1247
1250/* Must be called with the lock held */ 1248/* Must be called with the lock held */
1251static void i830_reclaim_buffers(struct drm_device * dev, struct file *filp) 1249static void i830_reclaim_buffers(struct drm_device * dev, struct drm_file *file_priv)
1252{ 1250{
1253 struct drm_device_dma *dma = dev->dma; 1251 struct drm_device_dma *dma = dev->dma;
1254 int i; 1252 int i;
@@ -1266,7 +1264,7 @@ static void i830_reclaim_buffers(struct drm_device * dev, struct file *filp)
1266 struct drm_buf *buf = dma->buflist[i]; 1264 struct drm_buf *buf = dma->buflist[i];
1267 drm_i830_buf_priv_t *buf_priv = buf->dev_private; 1265 drm_i830_buf_priv_t *buf_priv = buf->dev_private;
1268 1266
1269 if (buf->filp == filp && buf_priv) { 1267 if (buf->file_priv == file_priv && buf_priv) {
1270 int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, 1268 int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT,
1271 I830_BUF_FREE); 1269 I830_BUF_FREE);
1272 1270
@@ -1278,23 +1276,21 @@ static void i830_reclaim_buffers(struct drm_device * dev, struct file *filp)
1278 } 1276 }
1279} 1277}
1280 1278
1281static int i830_flush_ioctl(struct inode *inode, struct file *filp, 1279static int i830_flush_ioctl(struct inode *inode, struct drm_file *file_priv,
1282 unsigned int cmd, unsigned long arg) 1280 unsigned int cmd, unsigned long arg)
1283{ 1281{
1284 struct drm_file *priv = filp->private_data; 1282 struct drm_device *dev = file_priv->head->dev;
1285 struct drm_device *dev = priv->head->dev;
1286 1283
1287 LOCK_TEST_WITH_RETURN(dev, filp); 1284 LOCK_TEST_WITH_RETURN(dev, file_priv);
1288 1285
1289 i830_flush_queue(dev); 1286 i830_flush_queue(dev);
1290 return 0; 1287 return 0;
1291} 1288}
1292 1289
1293static int i830_dma_vertex(struct inode *inode, struct file *filp, 1290static int i830_dma_vertex(struct inode *inode, struct drm_file *file_priv,
1294 unsigned int cmd, unsigned long arg) 1291 unsigned int cmd, unsigned long arg)
1295{ 1292{
1296 struct drm_file *priv = filp->private_data; 1293 struct drm_device *dev = file_priv->head->dev;
1297 struct drm_device *dev = priv->head->dev;
1298 struct drm_device_dma *dma = dev->dma; 1294 struct drm_device_dma *dma = dev->dma;
1299 drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; 1295 drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private;
1300 u32 *hw_status = dev_priv->hw_status_page; 1296 u32 *hw_status = dev_priv->hw_status_page;
@@ -1306,7 +1302,7 @@ static int i830_dma_vertex(struct inode *inode, struct file *filp,
1306 (&vertex, (drm_i830_vertex_t __user *) arg, sizeof(vertex))) 1302 (&vertex, (drm_i830_vertex_t __user *) arg, sizeof(vertex)))
1307 return -EFAULT; 1303 return -EFAULT;
1308 1304
1309 LOCK_TEST_WITH_RETURN(dev, filp); 1305 LOCK_TEST_WITH_RETURN(dev, file_priv);
1310 1306
1311 DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n", 1307 DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n",
1312 vertex.idx, vertex.used, vertex.discard); 1308 vertex.idx, vertex.used, vertex.discard);
@@ -1324,18 +1320,17 @@ static int i830_dma_vertex(struct inode *inode, struct file *filp,
1324 return 0; 1320 return 0;
1325} 1321}
1326 1322
1327static int i830_clear_bufs(struct inode *inode, struct file *filp, 1323static int i830_clear_bufs(struct inode *inode, struct drm_file *file_priv,
1328 unsigned int cmd, unsigned long arg) 1324 unsigned int cmd, unsigned long arg)
1329{ 1325{
1330 struct drm_file *priv = filp->private_data; 1326 struct drm_device *dev = file_priv->head->dev;
1331 struct drm_device *dev = priv->head->dev;
1332 drm_i830_clear_t clear; 1327 drm_i830_clear_t clear;
1333 1328
1334 if (copy_from_user 1329 if (copy_from_user
1335 (&clear, (drm_i830_clear_t __user *) arg, sizeof(clear))) 1330 (&clear, (drm_i830_clear_t __user *) arg, sizeof(clear)))
1336 return -EFAULT; 1331 return -EFAULT;
1337 1332
1338 LOCK_TEST_WITH_RETURN(dev, filp); 1333 LOCK_TEST_WITH_RETURN(dev, file_priv);
1339 1334
1340 /* GH: Someone's doing nasty things... */ 1335 /* GH: Someone's doing nasty things... */
1341 if (!dev->dev_private) { 1336 if (!dev->dev_private) {
@@ -1348,15 +1343,14 @@ static int i830_clear_bufs(struct inode *inode, struct file *filp,
1348 return 0; 1343 return 0;
1349} 1344}
1350 1345
1351static int i830_swap_bufs(struct inode *inode, struct file *filp, 1346static int i830_swap_bufs(struct inode *inode, struct drm_file *file_priv,
1352 unsigned int cmd, unsigned long arg) 1347 unsigned int cmd, unsigned long arg)
1353{ 1348{
1354 struct drm_file *priv = filp->private_data; 1349 struct drm_device *dev = file_priv->head->dev;
1355 struct drm_device *dev = priv->head->dev;
1356 1350
1357 DRM_DEBUG("i830_swap_bufs\n"); 1351 DRM_DEBUG("i830_swap_bufs\n");
1358 1352
1359 LOCK_TEST_WITH_RETURN(dev, filp); 1353 LOCK_TEST_WITH_RETURN(dev, file_priv);
1360 1354
1361 i830_dma_dispatch_swap(dev); 1355 i830_dma_dispatch_swap(dev);
1362 return 0; 1356 return 0;
@@ -1386,16 +1380,15 @@ static int i830_do_cleanup_pageflip(struct drm_device * dev)
1386 return 0; 1380 return 0;
1387} 1381}
1388 1382
1389static int i830_flip_bufs(struct inode *inode, struct file *filp, 1383static int i830_flip_bufs(struct inode *inode, struct drm_file *file_priv,
1390 unsigned int cmd, unsigned long arg) 1384 unsigned int cmd, unsigned long arg)
1391{ 1385{
1392 struct drm_file *priv = filp->private_data; 1386 struct drm_device *dev = file_priv->head->dev;
1393 struct drm_device *dev = priv->head->dev;
1394 drm_i830_private_t *dev_priv = dev->dev_private; 1387 drm_i830_private_t *dev_priv = dev->dev_private;
1395 1388
1396 DRM_DEBUG("%s\n", __FUNCTION__); 1389 DRM_DEBUG("%s\n", __FUNCTION__);
1397 1390
1398 LOCK_TEST_WITH_RETURN(dev, filp); 1391 LOCK_TEST_WITH_RETURN(dev, file_priv);
1399 1392
1400 if (!dev_priv->page_flipping) 1393 if (!dev_priv->page_flipping)
1401 i830_do_init_pageflip(dev); 1394 i830_do_init_pageflip(dev);
@@ -1404,11 +1397,10 @@ static int i830_flip_bufs(struct inode *inode, struct file *filp,
1404 return 0; 1397 return 0;
1405} 1398}
1406 1399
1407static int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd, 1400static int i830_getage(struct inode *inode, struct drm_file *file_priv, unsigned int cmd,
1408 unsigned long arg) 1401 unsigned long arg)
1409{ 1402{
1410 struct drm_file *priv = filp->private_data; 1403 struct drm_device *dev = file_priv->head->dev;
1411 struct drm_device *dev = priv->head->dev;
1412 drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; 1404 drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private;
1413 u32 *hw_status = dev_priv->hw_status_page; 1405 u32 *hw_status = dev_priv->hw_status_page;
1414 drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 1406 drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
@@ -1418,11 +1410,10 @@ static int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
1418 return 0; 1410 return 0;
1419} 1411}
1420 1412
1421static int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, 1413static int i830_getbuf(struct inode *inode, struct drm_file *file_priv,
1422 unsigned long arg) 1414 unsigned int cmd, unsigned long arg)
1423{ 1415{
1424 struct drm_file *priv = filp->private_data; 1416 struct drm_device *dev = file_priv->head->dev;
1425 struct drm_device *dev = priv->head->dev;
1426 int retcode = 0; 1417 int retcode = 0;
1427 drm_i830_dma_t d; 1418 drm_i830_dma_t d;
1428 drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; 1419 drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private;
@@ -1434,11 +1425,11 @@ static int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd,
1434 if (copy_from_user(&d, (drm_i830_dma_t __user *) arg, sizeof(d))) 1425 if (copy_from_user(&d, (drm_i830_dma_t __user *) arg, sizeof(d)))
1435 return -EFAULT; 1426 return -EFAULT;
1436 1427
1437 LOCK_TEST_WITH_RETURN(dev, filp); 1428 LOCK_TEST_WITH_RETURN(dev, file_priv);
1438 1429
1439 d.granted = 0; 1430 d.granted = 0;
1440 1431
1441 retcode = i830_dma_get_buffer(dev, &d, filp); 1432 retcode = i830_dma_get_buffer(dev, &d, file_priv);
1442 1433
1443 DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n", 1434 DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n",
1444 current->pid, retcode, d.granted); 1435 current->pid, retcode, d.granted);
@@ -1451,23 +1442,22 @@ static int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd,
1451} 1442}
1452 1443
1453static int i830_copybuf(struct inode *inode, 1444static int i830_copybuf(struct inode *inode,
1454 struct file *filp, unsigned int cmd, unsigned long arg) 1445 struct drm_file *file_priv, unsigned int cmd, unsigned long arg)
1455{ 1446{
1456 /* Never copy - 2.4.x doesn't need it */ 1447 /* Never copy - 2.4.x doesn't need it */
1457 return 0; 1448 return 0;
1458} 1449}
1459 1450
1460static int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd, 1451static int i830_docopy(struct inode *inode, struct drm_file *file_priv, unsigned int cmd,
1461 unsigned long arg) 1452 unsigned long arg)
1462{ 1453{
1463 return 0; 1454 return 0;
1464} 1455}
1465 1456
1466static int i830_getparam(struct inode *inode, struct file *filp, 1457static int i830_getparam(struct inode *inode, struct drm_file *file_priv,
1467 unsigned int cmd, unsigned long arg) 1458 unsigned int cmd, unsigned long arg)
1468{ 1459{
1469 struct drm_file *priv = filp->private_data; 1460 struct drm_device *dev = file_priv->head->dev;
1470 struct drm_device *dev = priv->head->dev;
1471 drm_i830_private_t *dev_priv = dev->dev_private; 1461 drm_i830_private_t *dev_priv = dev->dev_private;
1472 drm_i830_getparam_t param; 1462 drm_i830_getparam_t param;
1473 int value; 1463 int value;
@@ -1497,11 +1487,10 @@ static int i830_getparam(struct inode *inode, struct file *filp,
1497 return 0; 1487 return 0;
1498} 1488}
1499 1489
1500static int i830_setparam(struct inode *inode, struct file *filp, 1490static int i830_setparam(struct inode *inode, struct drm_file *file_priv,
1501 unsigned int cmd, unsigned long arg) 1491 unsigned int cmd, unsigned long arg)
1502{ 1492{
1503 struct drm_file *priv = filp->private_data; 1493 struct drm_device *dev = file_priv->head->dev;
1504 struct drm_device *dev = priv->head->dev;
1505 drm_i830_private_t *dev_priv = dev->dev_private; 1494 drm_i830_private_t *dev_priv = dev->dev_private;
1506 drm_i830_setparam_t param; 1495 drm_i830_setparam_t param;
1507 1496
@@ -1542,7 +1531,7 @@ void i830_driver_lastclose(struct drm_device * dev)
1542 i830_dma_cleanup(dev); 1531 i830_dma_cleanup(dev);
1543} 1532}
1544 1533
1545void i830_driver_preclose(struct drm_device * dev, DRMFILE filp) 1534void i830_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
1546{ 1535{
1547 if (dev->dev_private) { 1536 if (dev->dev_private) {
1548 drm_i830_private_t *dev_priv = dev->dev_private; 1537 drm_i830_private_t *dev_priv = dev->dev_private;
@@ -1552,9 +1541,9 @@ void i830_driver_preclose(struct drm_device * dev, DRMFILE filp)
1552 } 1541 }
1553} 1542}
1554 1543
1555void i830_driver_reclaim_buffers_locked(struct drm_device * dev, struct file *filp) 1544void i830_driver_reclaim_buffers_locked(struct drm_device * dev, struct drm_file *file_priv)
1556{ 1545{
1557 i830_reclaim_buffers(dev, filp); 1546 i830_reclaim_buffers(dev, file_priv);
1558} 1547}
1559 1548
1560int i830_driver_dma_quiescent(struct drm_device * dev) 1549int i830_driver_dma_quiescent(struct drm_device * dev)