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| author | Ingo Molnar <mingo@elte.hu> | 2009-05-18 08:15:09 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-18 08:15:35 (GMT) |
| commit | 1079cac0f4eb7d968395378b1625979d4c818dd6 (patch) | |
| tree | d261058d95d27fe7250511d5fad69db30dc17731 /drivers/gpu/drm/i915/i915_gem.c | |
| parent | 5872144f64b34a5942f6b4acedc90b02de72c58b (diff) | |
| parent | 1406de8e11eb043681297adf86d6892ff8efc27a (diff) | |
| download | linux-fsl-qoriq-1079cac0f4eb7d968395378b1625979d4c818dd6.tar.xz | |
Merge commit 'v2.6.30-rc6' into tracing/core
Merge reason: we were on an -rc4 base, sync up to -rc6
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index ee896d9..b189b49 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1691,11 +1691,20 @@ static int i915_wait_request(struct drm_device *dev, uint32_t seqno) { drm_i915_private_t *dev_priv = dev->dev_private; + u32 ier; int ret = 0; BUG_ON(seqno == 0); if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) { + ier = I915_READ(IER); + if (!ier) { + DRM_ERROR("something (likely vbetool) disabled " + "interrupts, re-enabling\n"); + i915_driver_irq_preinstall(dev); + i915_driver_irq_postinstall(dev); + } + dev_priv->mm.waiting_gem_seqno = seqno; i915_user_irq_get(dev); ret = wait_event_interruptible(dev_priv->irq_queue, |