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authorDave Airlie <airlied@redhat.com>2015-12-08 11:04:26 +1000
committerDave Airlie <airlied@redhat.com>2015-12-08 11:04:26 +1000
commite876b41ab074561d65f213bf5e0fc68cf5bc7380 (patch)
tree5bcbd7e4f7b6ac2a34e61011f8eb2cde90bf8603 /drivers/gpu/drm/i915/i915_gem.c
parent47c0fd72822159eb501411f975f5672a0bf7a7fb (diff)
parent527e9316f8ec44bd53d90fb9f611fa7ffff52bb9 (diff)
downloadop-kernel-dev-e876b41ab074561d65f213bf5e0fc68cf5bc7380.zip
op-kernel-dev-e876b41ab074561d65f213bf5e0fc68cf5bc7380.tar.gz
Back merge tag 'v4.4-rc4' into drm-next
We've picked up a few conflicts and it would be nice to resolve them before we move onwards.
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 33adc8f..a6997a8 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1210,8 +1210,16 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
if (i915_gem_request_completed(req, true))
return 0;
- timeout_expire = timeout ?
- jiffies + nsecs_to_jiffies_timeout((u64)*timeout) : 0;
+ timeout_expire = 0;
+ if (timeout) {
+ if (WARN_ON(*timeout < 0))
+ return -EINVAL;
+
+ if (*timeout == 0)
+ return -ETIME;
+
+ timeout_expire = jiffies + nsecs_to_jiffies_timeout(*timeout);
+ }
if (INTEL_INFO(dev_priv)->gen >= 6)
gen6_rps_boost(dev_priv, rps, req->emitted_jiffies);
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