Getting guc load status does hardware access so it needs
to have pm ref.
Signed-off-by: Mika Kuoppala <[email protected]>
---
drivers/gpu/drm/i915/i915_debugfs.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
b/drivers/gpu/drm/i915/i915_debugfs.c
index 3e0e30d..5770307 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2417,6 +2417,8 @@ static int i915_guc_load_status_info(struct seq_file *m,
void *data)
seq_printf(m, "\tRSA: offset is %d; size = %d\n",
guc_fw->rsa_offset, guc_fw->rsa_size);
+ intel_runtime_pm_get(dev_priv);
+
tmp = I915_READ(GUC_STATUS);
seq_printf(m, "\nGuC status 0x%08x:\n", tmp);
@@ -2430,6 +2432,8 @@ static int i915_guc_load_status_info(struct seq_file *m,
void *data)
for (i = 0; i < 16; i++)
seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i)));
+ intel_runtime_pm_put(dev_priv);
+
return 0;
}
--
2.5.0
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