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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2010-08-20 22:26:30 +0200 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-08 10:13:27 +0100 |
| commit | 67e77c5ae8bff6f805d207541f1315051248a87b (patch) | |
| tree | 56a845d734e9a8ed8027683ba0897fd95d280652 | |
| parent | 3dec0095f71e7d00b7f6180229fd32a2d0a6ce8d (diff) | |
| download | talos-op-linux-67e77c5ae8bff6f805d207541f1315051248a87b.tar.gz talos-op-linux-67e77c5ae8bff6f805d207541f1315051248a87b.zip | |
drm/i915: unload: fix unpin_work related races
Kill any outstanding unpin_work when destroying the corresponding
crtc. Then flush the workqueue before the gem teardown, in case
any unpin work is still outstanding.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 14 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 970c338323a8..27a826e3170a 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -2292,6 +2292,9 @@ int i915_driver_unload(struct drm_device *dev) intel_opregion_free(dev, 0); if (drm_core_check_feature(dev, DRIVER_MODESET)) { + /* Flush any outstanding unpin_work. */ + flush_workqueue(dev_priv->wq); + i915_gem_free_all_phys_object(dev); mutex_lock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ccfc10559c17..794d4ac0c40f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4850,8 +4850,22 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj) static void intel_crtc_destroy(struct drm_crtc *crtc) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct intel_unpin_work *work; + unsigned long flags; + + spin_lock_irqsave(&dev->event_lock, flags); + work = intel_crtc->unpin_work; + intel_crtc->unpin_work = NULL; + spin_unlock_irqrestore(&dev->event_lock, flags); + + if (work) { + cancel_work_sync(&work->work); + kfree(work); + } drm_crtc_cleanup(crtc); + kfree(intel_crtc); } |
