diff options
| author | Mika Kuoppala <mika.kuoppala@intel.com> | 2015-12-10 17:27:31 +0200 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@intel.com> | 2015-12-10 17:27:31 +0200 |
| commit | cd24e34909a4ad0f51e4e4a2b8a2162d63347c62 (patch) | |
| tree | 646cc13759968136109b0ec10baaf494c3bebdd5 | |
| parent | d3f6545f8e6e0ea36a420a563df9fdbf66be989d (diff) | |
drm/i915: Get pm ref on i915_drop_caches_setunclaimed_mmio
It does hardware access later in the chain, when fences
are updated, so it needs a runtime pm ref.
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 538955653cef..0564477ed5f2 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -4849,6 +4849,8 @@ i915_drop_caches_set(void *data, u64 val) if (ret) return ret; + intel_runtime_pm_get(dev_priv); + if (val & DROP_ACTIVE) { ret = i915_gpu_idle(dev); if (ret) @@ -4865,6 +4867,7 @@ i915_drop_caches_set(void *data, u64 val) i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND); unlock: + intel_runtime_pm_put(dev_priv); mutex_unlock(&dev->struct_mutex); return ret; |