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authorDave Airlie <airlied@linux.ie>2007-05-26 05:01:51 +1000
committerDave Airlie <airlied@linux.ie>2007-07-11 11:58:02 +1000
commitbd1b331fae2813d9f03ceee649296f02edc0b893 (patch)
tree6139f72ebae88c332c754745f3d98cbe794ae4de /drivers/char/drm/drm_irq.c
parent4eb6bf6bfb580afaf1e1a1d30cba17a078530cf4 (diff)
downloadlwn-bd1b331fae2813d9f03ceee649296f02edc0b893.tar.gz
lwn-bd1b331fae2813d9f03ceee649296f02edc0b893.zip
drm: cleanup use of Linux list handling macros
This makes the drms use of the list handling macros a lot cleaner and more along the lines of how they should be used and uses them in some more places. Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/drm_irq.c')
-rw-r--r--drivers/char/drm/drm_irq.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c
index 2e75331fd83e..ae3053ce7b2c 100644
--- a/drivers/char/drm/drm_irq.c
+++ b/drivers/char/drm/drm_irq.c
@@ -120,8 +120,8 @@ static int drm_irq_install(drm_device_t * dev)
spin_lock_init(&dev->vbl_lock);
- INIT_LIST_HEAD(&dev->vbl_sigs.head);
- INIT_LIST_HEAD(&dev->vbl_sigs2.head);
+ INIT_LIST_HEAD(&dev->vbl_sigs);
+ INIT_LIST_HEAD(&dev->vbl_sigs2);
dev->vbl_pending = 0;
}
@@ -292,7 +292,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
if (flags & _DRM_VBLANK_SIGNAL) {
unsigned long irqflags;
- drm_vbl_sig_t *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY)
+ struct list_head *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY)
? &dev->vbl_sigs2 : &dev->vbl_sigs;
drm_vbl_sig_t *vbl_sig;
@@ -302,7 +302,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
* for the same vblank sequence number; nothing to be done in
* that case
*/
- list_for_each_entry(vbl_sig, &vbl_sigs->head, head) {
+ list_for_each_entry(vbl_sig, vbl_sigs, head) {
if (vbl_sig->sequence == vblwait.request.sequence
&& vbl_sig->info.si_signo == vblwait.request.signal
&& vbl_sig->task == current) {
@@ -336,7 +336,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
spin_lock_irqsave(&dev->vbl_lock, irqflags);
- list_add_tail((struct list_head *)vbl_sig, &vbl_sigs->head);
+ list_add_tail(&vbl_sig->head, vbl_sigs);
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
@@ -379,20 +379,18 @@ void drm_vbl_send_signals(drm_device_t * dev)
spin_lock_irqsave(&dev->vbl_lock, flags);
for (i = 0; i < 2; i++) {
- struct list_head *list, *tmp;
- drm_vbl_sig_t *vbl_sig;
- drm_vbl_sig_t *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs;
+ drm_vbl_sig_t *vbl_sig, *tmp;
+ struct list_head *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs;
unsigned int vbl_seq = atomic_read(i ? &dev->vbl_received2 :
&dev->vbl_received);
- list_for_each_safe(list, tmp, &vbl_sigs->head) {
- vbl_sig = list_entry(list, drm_vbl_sig_t, head);
+ list_for_each_entry_safe(vbl_sig, tmp, vbl_sigs, head) {
if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
vbl_sig->info.si_code = vbl_seq;
send_sig_info(vbl_sig->info.si_signo,
&vbl_sig->info, vbl_sig->task);
- list_del(list);
+ list_del(&vbl_sig->head);
drm_free(vbl_sig, sizeof(*vbl_sig),
DRM_MEM_DRIVER);