diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2014-08-08 17:45:32 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-08-09 10:57:18 +0200 |
| commit | 22c59960d9fe72f3fbd28de69cc43c5522dd5fe6 (patch) | |
| tree | 81a9a926fe3989cdcd98da959989f5b0a0a215da | |
| parent | fdd508a6419217cce28213f3c9bd27c02a0d4c71 (diff) | |
drm/i915: fix i915_interrupt_info on BDW
Currently, if the machine is runtime suspended an you read the file,
you will get an "Unclaimed register" error message.
Testcase: igt/pm_rpm/debugfs-read
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 330caa1ab9f..3b7decbeeed 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -703,6 +703,12 @@ static int i915_interrupt_info(struct seq_file *m, void *data) } for_each_pipe(pipe) { + if (!intel_display_power_enabled(dev_priv, + POWER_DOMAIN_PIPE(pipe))) { + seq_printf(m, "Pipe %c power disabled\n", + pipe_name(pipe)); + continue; + } seq_printf(m, "Pipe %c IMR:\t%08x\n", pipe_name(pipe), I915_READ(GEN8_DE_PIPE_IMR(pipe))); |