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| author | Chris Wilson | 2019-01-14 15:21:18 +0100 |
|---|---|---|
| committer | Chris Wilson | 2019-01-14 17:18:13 +0100 |
| commit | 538ef96b9dae7fe0c021e1c0bfc86f370d3b1488 (patch) | |
| tree | 2840accb13fdfa2eb48ed271d262da0c81610d20 /drivers/gpu/drm/i915/intel_uncore.c | |
| parent | drm/i915/guc: Track the rpm wakeref (diff) | |
| download | kernel-qcow2-linux-538ef96b9dae7fe0c021e1c0bfc86f370d3b1488.tar.gz kernel-qcow2-linux-538ef96b9dae7fe0c021e1c0bfc86f370d3b1488.tar.xz kernel-qcow2-linux-538ef96b9dae7fe0c021e1c0bfc86f370d3b1488.zip | |
drm/i915/gem: Track the rpm wakerefs
Keep track of the temporary rpm wakerefs used for user access to the
device, so that we can cancel them upon release and clearly identify any
leaks.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190114142129.24398-10-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 8d4c76ac0e7d..d494d92da02c 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1670,6 +1670,7 @@ int i915_reg_read_ioctl(struct drm_device *dev, struct drm_i915_private *dev_priv = to_i915(dev); struct drm_i915_reg_read *reg = data; struct reg_whitelist const *entry; + intel_wakeref_t wakeref; unsigned int flags; int remain; int ret = 0; @@ -1695,7 +1696,7 @@ int i915_reg_read_ioctl(struct drm_device *dev, flags = reg->offset & (entry->size - 1); - intel_runtime_pm_get(dev_priv); + wakeref = intel_runtime_pm_get(dev_priv); if (entry->size == 8 && flags == I915_REG_READ_8B_WA) reg->val = I915_READ64_2x32(entry->offset_ldw, entry->offset_udw); @@ -1709,7 +1710,7 @@ int i915_reg_read_ioctl(struct drm_device *dev, reg->val = I915_READ8(entry->offset_ldw); else ret = -EINVAL; - intel_runtime_pm_put_unchecked(dev_priv); + intel_runtime_pm_put(dev_priv, wakeref); return ret; } |