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| author | David Vrabel <david.vrabel@csr.com> | 2010-02-25 13:35:22 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2010-02-25 13:35:22 +0000 |
| commit | 03806fa20f6a081493a731a4b18ea66317f9f947 (patch) | |
| tree | 630796c65c501e3612253ee4d4af58082a5f984c /drivers/gpu/drm/drm_irq.c | |
| parent | 35fb2a816a06ded2a3ff83d896c34b83c8e1d556 (diff) | |
| parent | baac35c4155a8aa826c70acee6553368ca5243a2 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
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 |