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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-07 15:43:04 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-07 15:43:04 +0100 |
| commit | a56e74f546b64be93731e42d83baf5b538cc1b11 (patch) | |
| tree | 18f6dee45d801e57ac9db2a31664b0d5c0762c50 /drivers/gpu/drm/i915/i915_gem.c | |
| parent | d08e2e09042bd3f7ef66a35cb4bb92794ab26bb2 (diff) | |
| parent | e4e7f10bfc4069925e99cc4b428c3434e30b6c3f (diff) | |
Merge branch 'arm-aesbs' of git://git.linaro.org/people/ardbiesheuvel/linux-arm into devel-stable
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8507c6d1e64..cdfb9da0e4c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1392,14 +1392,11 @@ out: if (i915_terminally_wedged(&dev_priv->gpu_error)) return VM_FAULT_SIGBUS; case -EAGAIN: - /* Give the error handler a chance to run and move the - * objects off the GPU active list. Next time we service the - * fault, we should be able to transition the page into the - * GTT without touching the GPU (and so avoid further - * EIO/EGAIN). If the GPU is wedged, then there is no issue - * with coherency, just lost writes. + /* + * EAGAIN means the gpu is hung and we'll wait for the error + * handler to reset everything when re-faulting in + * i915_mutex_lock_interruptible. */ - set_need_resched(); case 0: case -ERESTARTSYS: case -EINTR: @@ -4803,10 +4800,10 @@ i915_gem_inactive_count(struct shrinker *shrinker, struct shrink_control *sc) if (!mutex_trylock(&dev->struct_mutex)) { if (!mutex_is_locked_by(&dev->struct_mutex, current)) - return SHRINK_STOP; + return 0; if (dev_priv->mm.shrinker_no_lock_stealing) - return SHRINK_STOP; + return 0; unlock = false; } @@ -4904,10 +4901,10 @@ i915_gem_inactive_scan(struct shrinker *shrinker, struct shrink_control *sc) if (!mutex_trylock(&dev->struct_mutex)) { if (!mutex_is_locked_by(&dev->struct_mutex, current)) - return 0; + return SHRINK_STOP; if (dev_priv->mm.shrinker_no_lock_stealing) - return 0; + return SHRINK_STOP; unlock = false; } |