diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2014-07-09 19:31:57 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-10 08:30:06 +0200 |
| commit | 03872064f77f4beb61d1afc22adf62da47cf087b (patch) | |
| tree | 2cb026394ae1f2b9409fb86746267fcedf7ff479 /drivers/gpu | |
| parent | drm/i915: fix D_COMP usage on BDW (diff) | |
| download | linux-03872064f77f4beb61d1afc22adf62da47cf087b.tar.xz linux-03872064f77f4beb61d1afc22adf62da47cf087b.zip | |
drm/i915: get/put runtime PM at i915_semaphore_status
Otherwise we will print some WARNs when we read registers and the
machine is suspended.
Testcase: igt/pm_rpm/debugfs-read
Cc: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 394519182510..952f19949be1 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2314,6 +2314,7 @@ static int i915_semaphore_status(struct seq_file *m, void *unused) ret = mutex_lock_interruptible(&dev->struct_mutex); if (ret) return ret; + intel_runtime_pm_get(dev_priv); if (IS_BROADWELL(dev)) { struct page *page; @@ -2363,6 +2364,7 @@ static int i915_semaphore_status(struct seq_file *m, void *unused) } seq_putc(m, '\n'); + intel_runtime_pm_put(dev_priv); mutex_unlock(&dev->struct_mutex); return 0; } |