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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-12 09:21:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-12 09:21:39 -0700
commitaa9f56b66d278aba2f278c75761b7e19fbaca97a (patch)
treef1a9a0e68b07a3a1a0643389cb5ff838366a2d32 /drivers/gpu/drm/drm_fops.c
parent58d4ea65b98f154f3326b038eecda32f90b46ea8 (diff)
parent31ce4bfdfd10bf5db9bf85c92bbe0cf2edbdcad8 (diff)
Merge branch 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (55 commits) io-mapping: move asm include inside the config option vgaarb: drop vga.h include drm/radeon: Add probing of clocks from device-tree drm/radeon: drop old and broken mesa warning drm/radeon: Fix pci_map_page() error checking drm: Remove count_lock for calling lastclose() after 58474713 (v2) drm/radeon/kms: allow FG_ALPHA_VALUE on r5xx drm/radeon/kms: another r6xx/r7xx CS checker fix DRM: Replace kmalloc/memset combos with kzalloc drm: expand gamma_set drm/edid: Split mode lists out to their own header for readability drm/edid: Rewrite mode parse to use the generic detailed block walk drm/edid: Add detailed block walk for VTB extensions drm/edid: Add detailed block walk for CEA extensions drm: Remove unused fields from drm_display_info drm: Use ENOENT consistently for the error return for an unmatched handle. drm/radeon/kms: mark 3D power states as performance drm: Only set DPMS once on the CRTC not after every encoder. drm/radeon/kms: add additional quirk for Acer rv620 laptop drm: Propagate error code from fb_create() ... Fix up trivial conflicts in drivers/gpu/drm/drm_edid.c
Diffstat (limited to 'drivers/gpu/drm/drm_fops.c')
-rw-r--r--drivers/gpu/drm/drm_fops.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 2ca8df8b6102..3a652a65546f 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -135,15 +135,9 @@ int drm_open(struct inode *inode, struct file *filp)
retcode = drm_open_helper(inode, filp, dev);
if (!retcode) {
atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
- spin_lock(&dev->count_lock);
- if (!dev->open_count++) {
- spin_unlock(&dev->count_lock);
+ if (!dev->open_count++)
retcode = drm_setup(dev);
- goto out;
- }
- spin_unlock(&dev->count_lock);
}
-out:
if (!retcode) {
mutex_lock(&dev->struct_mutex);
if (minor->type == DRM_MINOR_LEGACY) {
@@ -570,18 +564,14 @@ int drm_release(struct inode *inode, struct file *filp)
*/
atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);
- spin_lock(&dev->count_lock);
if (!--dev->open_count) {
if (atomic_read(&dev->ioctl_count)) {
DRM_ERROR("Device busy: %d\n",
atomic_read(&dev->ioctl_count));
retcode = -EBUSY;
- goto out;
- }
- retcode = drm_lastclose(dev);
+ } else
+ retcode = drm_lastclose(dev);
}
-out:
- spin_unlock(&dev->count_lock);
mutex_unlock(&drm_global_mutex);
return retcode;