From: Tom Zanussi <tom.zanu...@intel.com>
If drm_lock_take() fails, give up the global ioctl mutex and allow
other locked ioctls in the meantime.
Signed-off-by: Tom Zanussi <tom.zanu...@intel.com>
---
drivers/gpu/drm-psb/drm_lock.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm-psb/drm_lock.c b/drivers/gpu/drm-psb/drm_lock.c
index b8e4a5d..ba6630e 100644
--- a/drivers/gpu/drm-psb/drm_lock.c
+++ b/drivers/gpu/drm-psb/drm_lock.c
@@ -89,7 +89,9 @@ int drm_lock(struct drm_device *dev, void *data, struct
drm_file *file_priv)
}
/* Contention */
+ mutex_unlock(&drm_global_mutex);
schedule();
+ mutex_lock(&drm_global_mutex);
if (signal_pending(current)) {
ret = -ERESTARTSYS;
break;
--
1.7.0.4
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