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authorDave Airlie <airlied@linux.ie>2009-09-08 14:38:45 +1000
committerDave Airlie <airlied@redhat.com>2009-09-08 14:43:27 +1000
commitc746e205f2fb6f74b4a622382607f065eca5eb49 (patch)
treef8eb3b1bd8dc09109aacf4f64d05aaf158c26392 /drivers/gpu/drm/radeon/radeon_fence.c
parent620f37811dcc9e0f97ee79fbf8908fcc097deaee (diff)
downloadblackbird-op-linux-c746e205f2fb6f74b4a622382607f065eca5eb49.tar.gz
blackbird-op-linux-c746e205f2fb6f74b4a622382607f065eca5eb49.zip
drm/radeon/kms: don't allow ERESTART to hit userspace.
the pre-r600 fence code returns ebusy if we get hit by a signal so we should continue to do that. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fence.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_fence.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 506dd4dd3a24..01a89633e265 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -199,7 +199,7 @@ int r600_fence_wait(struct radeon_fence *fence, bool intr, bool lazy)
schedule_timeout(1);
if (intr && signal_pending(current)) {
- ret = -ERESTART;
+ ret = -ERESTARTSYS;
break;
}
}
@@ -225,8 +225,12 @@ int radeon_fence_wait(struct radeon_fence *fence, bool intr)
return 0;
}
- if (rdev->family >= CHIP_R600)
- return r600_fence_wait(fence, intr, 0);
+ if (rdev->family >= CHIP_R600) {
+ r = r600_fence_wait(fence, intr, 0);
+ if (r == -ERESTARTSYS)
+ return -EBUSY;
+ return r;
+ }
retry:
cur_jiffies = jiffies;
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