Useful for double checking that the device is powered up when it hung,
include both the status of the power management and our rpm wakelock.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_gpu_error.c | 4 ++++
2 files changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 66f19924828a..28d8e95b4a14 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -937,6 +937,8 @@ struct i915_gpu_state {
char error_msg[128];
bool simulated;
bool awake;
+ bool wakelock;
+ bool suspended;
int iommu;
u32 reset_count;
u32 suspend_count;
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index b4ae1464e0ab..8e14986f123c 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -633,6 +633,8 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
}
err_printf(m, "GT awake: %s\n", yesno(error->awake));
+ err_printf(m, "RPM wakelock: %s\n", yesno(error->wakelock));
+ err_printf(m, "PM suspended: %s\n", yesno(error->suspended));
err_printf(m, "EIR: 0x%08x\n", error->eir);
err_printf(m, "IER: 0x%08x\n", error->ier);
for (i = 0; i < error->ngtier; i++)
@@ -1655,6 +1657,8 @@ static void i915_capture_gen_state(struct drm_i915_private *dev_priv,
struct i915_gpu_state *error)
{
error->awake = dev_priv->gt.awake;
+ error->wakelock = atomic_read(&dev_priv->pm.wakeref_count);
+ error->suspended = dev_priv->pm.suspended;
error->iommu = -1;
#ifdef CONFIG_INTEL_IOMMU
--
2.11.0
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