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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2014-09-07 16:51:12 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-19 14:41:15 +0200 |
| commit | f0d3dad3ad618dbe4f65453c456c781c4568de29 (patch) | |
| tree | 395bf8ccb24724f2b9d4422ac4526ed6681aa7c5 | |
| parent | 1d1ef21dafd13ff5cedbde840544d6e86669fe1d (diff) | |
| download | linux-f0d3dad3ad618dbe4f65453c456c781c4568de29.tar.gz linux-f0d3dad3ad618dbe4f65453c456c781c4568de29.tar.bz2 linux-f0d3dad3ad618dbe4f65453c456c781c4568de29.zip | |
drm/i915: Wrap -EIO send-vblank event for failed pageflip in spinlock
drm_send_vblank_event() demands that we hold the event spinlock whilst
calling it, so do so.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Fix the double lock as requested by Chris.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f4b8cb388dd6..c5079f2c49f3 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -10084,8 +10084,11 @@ free_work: out_hang: intel_crtc_wait_for_pending_flips(crtc); ret = intel_pipe_set_base(crtc, crtc->x, crtc->y, fb); - if (ret == 0 && event) + if (ret == 0 && event) { + spin_lock_irqsave(&dev->event_lock, flags); drm_send_vblank_event(dev, pipe, event); + spin_unlock_irqrestore(&dev->event_lock, flags); + } } return ret; } |