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| author | Sean Paul <seanpaul@chromium.org> | 2017-04-07 16:15:30 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-04-07 16:18:28 -0400 |
| commit | c98cdff94a6a7877923dec1329c2b76d6247d076 (patch) | |
| tree | 9a53bdc18bf83fb52963abdb4fd0ff5a529380a7 | |
| parent | 2e0641631f233b5af09f0bfeaa6220d10cad75e7 (diff) | |
| download | linux-stable-c98cdff94a6a7877923dec1329c2b76d6247d076.tar.gz linux-stable-c98cdff94a6a7877923dec1329c2b76d6247d076.tar.bz2 linux-stable-c98cdff94a6a7877923dec1329c2b76d6247d076.zip | |
Revert "drm: Don't allow interruptions when opening debugfs/crc"
This reverts
commit b8dfa821c27046ede9bf8eb14cc8109d379428e9
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri Apr 7 12:17:12 2017 +0100
drm: Don't allow interruptions when opening debugfs/crc
It reportedly breaks things, so let's revert now and try again later.
Fixes: b8dfa821c270 ("drm: Don't allow interruptions when opening debugfs/crc")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
| -rw-r--r-- | drivers/gpu/drm/drm_debugfs_crc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c index aa13e734c9e5..1722d8f21449 100644 --- a/drivers/gpu/drm/drm_debugfs_crc.c +++ b/drivers/gpu/drm/drm_debugfs_crc.c @@ -177,9 +177,13 @@ static int crtc_crc_open(struct inode *inode, struct file *filep) * guess when this particular piece of HW will be ready to start * generating CRCs. */ - wait_event_lock_irq(crc->wq, crtc_crc_data_count(crc), crc->lock); + ret = wait_event_interruptible_lock_irq(crc->wq, + crtc_crc_data_count(crc), + crc->lock); spin_unlock_irq(&crc->lock); + WARN_ON(ret); + return 0; err_disable: |