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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 13:54:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 13:54:50 -0700
commitdfbbe89e197a77f2c8046a51c74e33e35f878080 (patch)
tree23b860ad3d68a12503f04c44c2e4465fbb8bdae9 /drivers/gpu/drm/drm_drv.c
parent712b0006bf3a9ed0b14a56c3291975e582127766 (diff)
parentf23c20c83d523e5f8cda1f8f7ed52fe6afffbe29 (diff)
Merge branch 'drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (53 commits) drm: detect hdmi monitor by hdmi identifier (v3) drm: drm_fops.c unlock missing on error path drm: reorder struct drm_ioctl_desc to save space on 64 bit builds radeon: add some new pci ids drm: read EDID extensions from monitor drm: Use a little stash on the stack to avoid kmalloc in most DRM ioctls. drm/radeon: add regs required for occlusion queries support drm/i915: check the return value from the copy from user drm/radeon: fix logic in r600_page_table_init() to match ati_gart drm/radeon: r600 ptes are 64-bit, cleanup cleanup function. drm/radeon: don't call irq changes on r600 suspend/resume drm/radeon: fix r600 writeback across suspend/resume drm/radeon: fix r600 writeback setup. drm: fix warnings about new mappings in info code. drm/radeon: NULL noise: drivers/gpu/drm/radeon/radeon_*.c drm/radeon: fix r600 pci mapping calls. drm/radeon: r6xx/r7xx: fix possible oops in r600_page_table_cleanup() radeon: call the correct idle function, logic got inverted. drm/radeon: RS600: fix interrupt handling drm/r600: fix rptr address along lines of previous fixes to radeon. ...
Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
-rw-r--r--drivers/gpu/drm/drm_drv.c88
1 files changed, 23 insertions, 65 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index ed32edb1716..c4ada8b6295 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -254,15 +254,19 @@ int drm_lastclose(struct drm_device * dev)
int drm_init(struct drm_driver *driver)
{
struct pci_dev *pdev = NULL;
- struct pci_device_id *pid;
+ const struct pci_device_id *pid;
int i;
DRM_DEBUG("\n");
INIT_LIST_HEAD(&driver->device_list);
+ if (driver->driver_features & DRIVER_MODESET)
+ return pci_register_driver(&driver->pci_driver);
+
+ /* If not using KMS, fall back to stealth mode manual scanning. */
for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
- pid = (struct pci_device_id *)&driver->pci_driver.id_table[i];
+ pid = &driver->pci_driver.id_table[i];
/* Loop around setting up a DRM device for each PCI device
* matching our ID and device class. If we had the internal
@@ -287,68 +291,17 @@ int drm_init(struct drm_driver *driver)
EXPORT_SYMBOL(drm_init);
-/**
- * Called via cleanup_module() at module unload time.
- *
- * Cleans up all DRM device, calling drm_lastclose().
- *
- * \sa drm_init
- */
-static void drm_cleanup(struct drm_device * dev)
-{
- struct drm_map_list *r_list, *list_temp;
- DRM_DEBUG("\n");
-
- if (!dev) {
- DRM_ERROR("cleanup called no dev\n");
- return;
- }
-
- drm_vblank_cleanup(dev);
-
- drm_lastclose(dev);
-
- if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&
- dev->agp && dev->agp->agp_mtrr >= 0) {
- int retval;
- retval = mtrr_del(dev->agp->agp_mtrr,
- dev->agp->agp_info.aper_base,
- dev->agp->agp_info.aper_size * 1024 * 1024);
- DRM_DEBUG("mtrr_del=%d\n", retval);
- }
-
- if (dev->driver->unload)
- dev->driver->unload(dev);
-
- if (drm_core_has_AGP(dev) && dev->agp) {
- drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
- dev->agp = NULL;
- }
-
- drm_ht_remove(&dev->map_hash);
- drm_ctxbitmap_cleanup(dev);
-
- list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head)
- drm_rmmap(dev, r_list->map);
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- drm_put_minor(&dev->control);
-
- if (dev->driver->driver_features & DRIVER_GEM)
- drm_gem_destroy(dev);
-
- drm_put_minor(&dev->primary);
- if (drm_put_dev(dev))
- DRM_ERROR("Cannot unload module\n");
-}
-
void drm_exit(struct drm_driver *driver)
{
struct drm_device *dev, *tmp;
DRM_DEBUG("\n");
- list_for_each_entry_safe(dev, tmp, &driver->device_list, driver_item)
- drm_cleanup(dev);
+ if (driver->driver_features & DRIVER_MODESET) {
+ pci_unregister_driver(&driver->pci_driver);
+ } else {
+ list_for_each_entry_safe(dev, tmp, &driver->device_list, driver_item)
+ drm_put_dev(dev);
+ }
DRM_INFO("Module unloaded\n");
}
@@ -468,6 +421,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
drm_ioctl_t *func;
unsigned int nr = DRM_IOCTL_NR(cmd);
int retcode = -EINVAL;
+ char stack_kdata[128];
char *kdata = NULL;
atomic_inc(&dev->ioctl_count);
@@ -506,10 +460,14 @@ int drm_ioctl(struct inode *inode, struct file *filp,
retcode = -EACCES;
} else {
if (cmd & (IOC_IN | IOC_OUT)) {
- kdata = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
- if (!kdata) {
- retcode = -ENOMEM;
- goto err_i1;
+ if (_IOC_SIZE(cmd) <= sizeof(stack_kdata)) {
+ kdata = stack_kdata;
+ } else {
+ kdata = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
+ if (!kdata) {
+ retcode = -ENOMEM;
+ goto err_i1;
+ }
}
}
@@ -530,7 +488,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
}
err_i1:
- if (kdata)
+ if (kdata != stack_kdata)
kfree(kdata);
atomic_dec(&dev->ioctl_count);
if (retcode)
@@ -540,7 +498,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
EXPORT_SYMBOL(drm_ioctl);
-drm_local_map_t *drm_getsarea(struct drm_device *dev)
+struct drm_local_map *drm_getsarea(struct drm_device *dev)
{
struct drm_map_list *entry;