drm/i915: add runtime PM get/put call in i915_execlists
Otherwise we will get WARNs when we read context status registers and
the machine is suspended.
Testcase: igt/pm_rpm/debugfs-read
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 1e7a7c6..e60d5c2 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1848,6 +1848,8 @@
if (ret)
return ret;
+ intel_runtime_pm_get(dev_priv);
+
for_each_ring(ring, dev_priv, ring_id) {
struct intel_ctx_submit_request *head_req = NULL;
int count = 0;
@@ -1899,6 +1901,7 @@
seq_putc(m, '\n');
}
+ intel_runtime_pm_put(dev_priv);
mutex_unlock(&dev->struct_mutex);
return 0;