diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-02-26 09:18:32 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-02-26 09:18:32 +0100 |
| commit | 64b9fb5704a479d98a59f2a1d45d3331a8f847f8 (patch) | |
| tree | 2b1052b05fa7615c817894bc9802bc5bb2af7ac1 /drivers/gpu/drm/drm_irq.c | |
| parent | 83f0d53993b2967e54186468b0fc4321447f68f1 (diff) | |
| parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) | |
Merge commit 'v2.6.33' into tracing/core
Conflicts:
scripts/recordmcount.pl
Merge reason: Merge up to v2.6.33.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 7998ee66b31..b98384dbd9a 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -115,6 +115,7 @@ void drm_vblank_cleanup(struct drm_device *dev) dev->num_crtcs = 0; } +EXPORT_SYMBOL(drm_vblank_cleanup); int drm_vblank_init(struct drm_device *dev, int num_crtcs) { @@ -163,7 +164,6 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) } dev->vblank_disable_allowed = 0; - return 0; err: @@ -493,6 +493,9 @@ EXPORT_SYMBOL(drm_vblank_off); */ void drm_vblank_pre_modeset(struct drm_device *dev, int crtc) { + /* vblank is not initialized (IRQ not installed ?) */ + if (!dev->num_crtcs) + return; /* * To avoid all the problems that might happen if interrupts * were enabled/disabled around or between these calls, we just |